DOI: 10.15468/dl.5smrk4
title: Occurrence Download

description: A dataset containing 8124485 species occurrences available in GBIF matching the query:
{
 "and" : [
 "TaxonKey is one of (Fissidens pauperculus M.Howe, Fissidens pellucidus Hornsch., Fissidens polypodioides Hedw., Fissidens santa-clarensis Thér., Fissidens scalaris Mitt., Fissidens subbasilaris Hedw., Fissidens submarginatus Bruch, Fissidens taxifolius Hedw., Fissidens ventricosus Lesq., Flaveria campestris J.R.Johnst., Flaveria chlorifolia A.Gray, Flaveria floridana Johnst., Flaveria mcdougallii Theroux, Pinkava & D.J.Keil, Floerkea proserpinacoides Willd., Flueggea neowawraea W.J.Hayden, Flyriella parryi (A.Gray) R.M.King & H.Rob., Fontinalis antipyretica Hedw., Fontinalis dalecarlica Bruch & Schimp., Fontinalis hypnoides Hartm., Fontinalis neomexicana Sull. & Lesq., Fontinalis novae-angliae (Renauld & Cardot) Kindberg, 1897, Fontinalis sphagnifolia (Müll.Hal.) Wijk & Margad., Fontinalis welchiana B.H.Allen, Forestiera acuminata (Michx.) Poir., Forestiera godfreyi L.C.Anderson, Forestiera ligustrina (Michx.) Poir., Forestiera segregata (Jacq.) Krug & Urb., Forsstroemia producta (Hornsch.) Paris, Forsstroemia trichomitria (Hedw.) Lindb., Fossombronia alaskana Steere & Inoue, Fossombronia cristula Austin, Fossombronia foveolata Lindb., Fossombronia longiseta (Austin) Austin, Fossombronia porphyrorhiza (Nees) Prosk., Fossombronia wondraczekii (Corda) Dumort. ex Lindb., Fothergilla gardenii L., Fothergilla major (Sims) Lodd., Fothergilla milleri W.D.Phillips & J.E.Haynes, Fothergilla parvifolia Kearney, Fouquieria splendens Engelm., Fragaria cascadensis K.E.Hummer, Fragaria vesca L., Fragaria virginiana Duchesne, Frangula betulifolia (Greene) Grubov, Frangula caroliniana (Walter) A.Gray, Frankenia johnstonii Correll, Frankenia palmeri S.Watson, Frankenia salina (Molina) I.M.Johnst., Frasera ackermaniae C.C.Newb. & Goodrich, Frasera albicaulis Douglas ex Griseb., Frasera albomarginata var. induta (Tidestr.) Card, Frasera caroliniensis Walter, Frasera coloradensis (C.M.Rogers) D.M.Post, Frasera fastigiata (Pursh) A.Heller, Frasera gypsicola (Barneby) D.M.Post, Frasera pahutensis Reveal, Frasera paniculata Torr., Frasera tubulosa Coville, Frasera umpquaensis M.Peck & Applegate, Fraxinus americana L., Fraxinus caroliniana Mill., Fraxinus cuspidata Torr., Fraxinus gooddingii Little, Fraxinus greggii A.Gray, Fraxinus latifolia Benth., Fraxinus nigra Marshall, Fraxinus papillosa Lingelsh., Fraxinus pennsylvanica Marshall, Fraxinus profunda (Bush) Bush, Fraxinus quadrangulata Michx., Fraxinus velutina Torr., Fremontodendron californicum (Torr.) Coult., Fremontodendron decumbens R.M.Lloyd, Fremontodendron mexicanum Davidson, Fritillaria agrestis Greene, Fritillaria atropurpurea Nutt., Fritillaria biflora Lindl., Fritillaria brandegeei Eastw., Fritillaria camschatcensis (L.) Ker Gawl., Fritillaria eastwoodiae R.M.Macfarl., Fritillaria falcata (Jeps.) D.E.Beetle, Fritillaria gentneri Gilkey, Fritillaria glauca Greene, Fritillaria grayana Rchb.f. & Baker, Fritillaria liliacea Lindl., Fritillaria ojaiensis Davidson, Fritillaria pluriflora Torr. ex Benth., Fritillaria pudica (Pursh) Spreng., Fritillaria purdyi Eastw., Fritillaria striata Eastw., Fritillaria viridea Kellogg, Froelichia arizonica Thornber ex Standl., Froelichia floridana (Nutt.) Moq., Froelichia gracilis (Hook.) Moq., Frullania appalachiana R.M.Schust., Frullania asagrayana Mont., Frullania bolanderi Austin, Frullania brittoniae A.Evans, Frullania californica (Austin ex Underw.) A.Evans, Frullania catalinae A.Evans, Frullania caulisequa (Nees) Mont., Frullania chilcootiensis Steph., Frullania cobrensis Gottsche, Frullania cucullata Lindenb. & Gottsche, Frullania donnellii Austin, Frullania eboracensis Lehm., Frullania ericoides (Nees) Mont., Frullania franciscana M.Howe, Frullania hattoriana J.D.Godfrey & G.Godfrey, Frullania inflata Gottsche, Frullania kunzei (Lehm. & Lindenb.) Lehm. & Lindenb., Frullania nisquallensis Sull., Frullania oakesiana Austin, Frullania plana Sull., Frullania riparia Hampe, Frullania sabaliana R.M.Schust., Frullania selwyniana Pearson, Frullanoides bahamensis (A.Evans) van Slageren, Fryxellia pygmaea (Correll) D.M.Bates, Fuirena breviseta (Coville) Coville, Fuirena bushii Kral, Fuirena longa Chapm., Fuirena pumila (Torr.) Spreng., Fuirena scirpoidea Michx., Fuirena simplex Vahl, Fuirena squarrosa Michx., Funaria americana Lindb., Funaria apiculatopilosa Cardot, Funaria arctica (Berggr.) Kindb., Funaria flavicans Michx., Funaria microstoma Bruch ex Schimp., Funaria muhlenbergii Turner, Funaria polaris Bryhn, Fuscocephaloziopsis affinis (Lindb. ex Steph.) Váňa & L.Söderstr., Fuscocephaloziopsis albescens (Hook.) Váňa & L.Söderstr., Fuscocephaloziopsis catenulata (Huebener) Váňa & L.Söderstr., Fuscocephaloziopsis connivens (Dicks.) Váňa & L.Söderstr., Fuscocephaloziopsis leucantha (Spruce) Váňa & L.Söderstr., Fuscocephaloziopsis loitlesbergeri (Schiffn.) Váňa & L.Söderstr., Fuscocephaloziopsis lunulifolia (Dumort.) Váňa & L.Söderstr., Fuscocephaloziopsis macrostachya (Kaal.) Váňa & L.Söderstr., Fuscocephaloziopsis monticola (J.D.Godfrey) Váňa & L.Söderstr., Fuscocephaloziopsis pleniceps (Austin) Váňa & L.Söderstr., Gahnia beecheyi H.Mann, Gahnia gahniiformis (Gaudich.) A.Heller, Gahnia lanaiensis O.Deg., I.Deg. & J.Kern, Gahnia vitiensis Rendle, Gaillardia aestivalis (Walter) H.Rock, Gaillardia aristata Pursh, Gaillardia arizonica A.Gray, Gaillardia coahuilensis B.L.Turner, Gaillardia flava Rydb., Gaillardia multiceps Greene, Gaillardia parryi Greene, Gaillardia pulchella Foug., Galactia elliottii Nutt., Galactia erecta (Walter) Vail, Galactia floridana Torr. & A.Gray, Galactia microphylla (Chapm.) H.J.Rogers ex Isely, Galactia mollis Michx., Galactia pinetorum Small, Galactia regularis (L.) Britton, Sterns & Poggenb., Galactia smallii H.J.Rogers ex A.Herndon, Galactia volubilis (L.) Britton, Galax urceolata (Poir.) Brummitt, Galeandra bicarinata G.A.Romero & P.M.Br., Galearis spectabilis (L.) Raf., Galinsoga parviflora Cav., Galium aparine L., Galium argense Dempster & Ehrend., Galium arkansanum A.Gray, Galium asprellum Michx., Galium bifolium S.Watson, Galium boreale L., Galium L., Galium buxifolium Greene, Galium circaezans Michx., Galium clementis Eastw., Galium collomiae J.T.Howell, Galium coloradoense W.Wight, Galium concinnum Torr. & A.Gray, Galium correllii Dempster, Galium desereticum Dempster & Ehrend., Galium fendleri A.Gray, Galium grande McClatchie, Galium hallii Munz & I.M.Johnst., Galium hardhamiae Dempster, Galium hilendiae Dempster & Ehrend., Galium hispidulum Michx., Galium jepsonii Hilend & J.T.Howell, Galium kamtschaticum Steller ex Schult. & Schult.f., Galium labradoricum (Wiegand) Wiegand, Galium lanceolatum (Torr. & A.Gray) Torr., Galium latifolium Michx., Galium matthewsii A.Gray, Galium mexicanum Kunth, Galium muricatum W.Wight, Galium obtusum Bigelow, Galium oreganum Britton, Galium palustre L., Galium parishii Hilend & J.T.Howell, Galium pilosum Aiton, Galium proliferum A.Gray, Galium texense A.Gray, Galium tinctorium L., Galium trifidum L., Galium triflorum Michx., Galium uniflorum Michx., Galium virgatum Nutt., Galium wrightii A.Gray, Gambelia speciosa Nutt., Gamochaeta purpurea (L.) Cabrera, Garberia heterophylla (Bartram) Merr. & R.M.Harper, Gardenia brighamii H.Mann, Gardenia mannii H.St.John & Kuykendall, Gardenia remyi H.Mann, Garrya flavescens S.Watson, Gaultheria hispidula (L.) Muhl. ex Bigelow, Gaultheria humifusa (Graham) Rydb., Gaultheria miqueliana Takeda, Gaultheria ovatifolia A.Gray, Gaultheria procumbens L., Plantae, Gaura biennis L., Gaura boquillensis P.H.Raven & D.P.Greg., Gaura brachycarpa Small, Gaura coccinea Nutt. ex Pursh, Gaura demareei P.H.Raven & D.P.Greg., Gaura filipes Spach, Gaura macrocarpa Rothr., Plantae, Gaura neomexicana Wooton, Gaura triangulata Buckley, Gaura villosa Torr., Gaylussacia baccata (Wangenh.) K.Koch, Gaylussacia bigeloviana (Fernald) Sorrie & Weakley, Gaylussacia brachycera (Michx.) Torr. & A.Gray ex A.Gray, Gaylussacia dumosa (Andrews) A.Gray, Gaylussacia nana (A.Gray) Small, Gaylussacia orocola (Small) Camp, Gaylussacia ursina (M.A.Curtis) Torr. & A.Gray ex A.Gray, Gayophytum decipiens F.H.Lewis & Szweyk., Gayophytum diffusum Torr. & A.Gray, Gayophytum humile Juss., Gayophytum oligospermum F.H.Lewis & Szweyk., Gayophytum racemosum Nutt. ex Torr. & A.Gray, Gayophytum ramosissimum Torr. & A.Gray, Gelsemium rankinii Small, Gelsemium sempervirens (L.) J.St.-Hil., Gemmabryum barnesii (J.B.Wood ex Schimp.) J.R.Spence, Gemmabryum caespiticium (Hedw.) J.R.Spence, Gemmabryum demaretianum (Arts) J.R.Spence, Gemmabryum dichotomum (Hedw.) J.R.Spence & H.P.Ramsay, Gemmabryum klinggraeffii (Schimp.) J.R.Spence & H.P.Ramsay, Gemmabryum ruderale (Crundw. & Nyholm) J.R.Spence, Gemmabryum tenuisetum (Limpr.) J.R.Spence & H.P.Ramsay, Gemmabryum violaceum (Crundw. & Nyholm) J.R.Spence, Genistidium dumosum I.M.Johnst., Gentiana affinis Griseb., Gentiana affinis var. bigelovii (A.Gray) Kusn., Gentiana alba Muhl., Gentiana algida Pall., Gentiana andrewsii Griseb., Gentiana austromontana J.S.Pringle & Sharp, Gentiana autumnalis L., Gentiana calycosa Griseb., Gentiana catesbaei Walter, Gentiana clausa Raf., Gentiana decora Pollard, Gentiana douglasiana Bong., Gentiana fremontii Torr., Gentiana glauca Pall., Gentiana linearis Froel., Gentiana newberryi A.Gray, Gentiana nivalis L., Gentiana parryi Engelm., Gentiana pennelliana Fernald, Gentiana platypetala Griseb., Gentiana plurisetosa C.T.Mason, Gentiana prostrata Haenke, Gentiana puberulenta J.S.Pringle, Gentiana rubricaulis Schwein., Gentiana saponaria L., Gentiana setigera A.Gray, Gentiana villosa L., Gentianella amarella (L.) Börner, Gentianella auriculata (Pall.) J.M.Gillett, Gentianella microcalyx (Lemmon) J.M.Gillett, Gentianella propinqua (Richardson) J.M.Gillett, Gentianella quinquefolia (L.) Small, Gentianella tenella (Rottb.) Börner, Gentianella tortuosa (M.E.Jones) J.M.Gillett, Gentianella wislizenii (Engelm.) J.M.Gillett, Gentianopsis barbellata (Engelm.) Iltis, Gentianopsis crinita (Froel.) Ma, Gentianopsis detonsa (Rottb.) Ma, Gentianopsis macounii (Holm) Iltis, Gentianopsis macrantha (D.Don ex G.Don) Iltis, Gentianopsis nesophila (Holm) Iltis, Gentianopsis procera (Holm) Ma, Gentianopsis simplex (A.Gray) Iltis, Gentianopsis thermalis (Kuntze) Iltis, Gentianopsis victorinii (Fernald) Iltis, Geocalyx graveolens (Schrad.) Nees, Geocarpon minimum Mack., Geocaulon lividum (Richardson) Fernald, Geothallus tuberosus Campb., Geraea canescens Torr. & A.Gray, Geraea viscida (A.Gray) S.F.Blake, Geranium arboreum A.Gray, Geranium bicknellii Britton, Geranium caespitosum E.James, Geranium carolinianum L., Geranium cuneatum Hook., Geranium hanaense A.C.Medeiros & H.St.John, Geranium Tourn. ex L., Geranium kauaiense (Rock) H.St.John, Geranium lentum Wooton & Standl., Geranium maculatum L., Geranium multiflorum A.Gray, Geranium richardsonii Fisch. & Trautv., Geranium robertianum L., Geranium texanum (Trel.) A.Heller, Geranium viscosissimum Fisch. & C.A.Mey., Geranium wislizeni S.Watson, Gesneria pauciflora Urb., Geum aleppicum Jacq., Geum canadense Jacq., Geum geniculatum Michx., Geum laciniatum Murray, Geum macrophyllum Willd., Geum peckii Pursh, Geum pentapetalum (L.) Makino, Geum radiatum Michx., Geum rivale L., Geum rossii (R.Br.) Ser., Geum triflorum Pursh, Geum vernum (Raf.) Torr. & A.Gray, Geum virginianum L., Gilia achilleifolia Benth., Gilia austrooccidentalis (A.D.Grant & V.E.Grant) A.D.Grant & V.E.Grant, Gilia Ruiz & Pav., Gilia cana (M.E.Jones) A.Heller, Gilia diegensis (Munz) A.D.Grant & V.E.Grant, Gilia flavocincta A.Nelson, Gilia heterostyla S.Cochrane & A.G.Day, Gilia insignis (Brand) Cory & Parks, Gilia karenae Kass & S.L.Welsh, Gilia leptomeria A.Gray, Gilia ludens Shinners, Gilia mexicana A.D.Grant & V.E.Grant, Gilia millefoliata Fisch. & C.A.Mey., Gilia minor A.D.Grant & V.E.Grant, Gilia perennans Shinners, Gilia salticola Eastw., Gilia scopulorum M.E.Jones, Gilia sinistra M.E.Jones, Gilia splendens Douglas ex H.Mason & A.D.Grant, Gilia stellata A.Heller, Gilia stenothyrsa A.Gray, Gilia tenerrima A.Gray, Gilia tenuiflora Benth., Gilia tweedyi Rydb., Gilia yorkii Shevock & A.G.Day, Gillenia stipulata (Muhl. ex Willd.) Bergmans, Gillenia trifoliata (L.) Moench, Gilmania luteola (Coville) Coville, Ginkgo biloba L., Githopsis specularioides Nutt., Githopsis tenella Morin, Glandularia bipinnatifida (Schauer) Nutt., Glandularia canadensis (L.) Small, Glandularia chiricahensis Umber, Glandularia delticola (Small ex Perry) Umber, Glandularia gooddingii (Briq.) Solbrig, Glandularia maritima (Small) Small, Glandularia tampensis (Nash) Small, Glandularia wrightii (A.Gray) Umber, Glaux maritima L., Gleditsia aquatica Marshall, Gleditsia triacanthos L., Glehnia littoralis F.Schmidt, 1867, Glinus radiatus (Ruiz & Pav.) Rohrb., Glossopetalon clokeyi (Ensign) H.St.John, Glossopetalon planitierum (Ensign) H.St.John, Glossopetalon pungens Brandegee, Glossopetalon pungens var. glabrum (Ensign) H.St.John, Glossopetalon pungens Brandegee, Glossopetalon spinescens A.Gray, Glossopetalon spinescens var. aridum M.E.Jones, Glossopetalon spinescens var. meionandrum (Koehne) Trel., Glossopetalon texense (Ensign) H.St.John, Glyceria acutiflora Torr., Glyceria arkansana Fernald, Glyceria borealis (Nash) Batch., Glyceria canadensis (Michx.) Trin., Glyceria elata (Nash) M.E.Jones, Glyceria grandis S.Watson, Glyceria laxa (Scribn.) Scribn., Glyceria leptostachya Buckley, Glyceria melicaria (Michx.) F.T.Hubb., Glyceria nubigena W.A.Anderson, Glyceria obtusa (Muhl.) Trin., Glyceria pulchella (Nash) K.Schum., Glyceria septentrionalis Hitchc., Glyceria striata (Lam.) Hitchc., Glycyrrhiza lepidota Pursh, Glyptopleura marginata Eaton, Glyptopleura setulosa A.Gray, Gnaphalium exilifolium A.Nelson, Gnaphalium palustre Nutt., Gnaphalium uliginosum L., Goetzea elegans Wydler, Gollania turgens (Müll.Hal.) Ando, Gomphrena haageana Klotzsch, Gonocalyx concolor Nevling, Gonocalyx portoricensis (Urb.) A.C.Sm., Gonolobus suberosus (L.) Schult., Goodmania luteola (Parry) Reveal & Ertter, Goodyera oblongifolia Raf., Goodyera pubescens (Willd.) R.Br., Goodyera repens (L.) R.Br., Goodyera tesselata G.Lodd., Gordonia lasianthus L. ex Ellis, Gossypium hirsutum L., Gossypium tomentosum Nutt. ex Seem., Gouania hillebrandii Oliv. ex Hillebr., Gouania meyenii Steud., Gouania vitifolia A.Gray, Grammitis baldwinii (Baker) Copel., Grammitis hookeri (Brack.) Copel., Grammitis nimbata (Jenman) Proctor, Grammitis tenella Kaulf., Graptopetalum bartramii Rose, Graptopetalum rusbyi (Greene) Rose, Gratiola aurea Pursh, Gratiola brevifolia Raf., Gratiola ebracteata Benth. ex A.DC., Gratiola flava Leavenworth, Gratiola floridana Nutt., Gratiola heterosepala H.Mason & Bacigalupo, Gratiola neglecta Torr., Gratiola pilosa Michx., Gratiola ramosa Walter, Gratiola virginiana L., Gratiola viscidula Pennell, Grayia spinosa (Hook.) Moq., Grimmia alpestris (F.Weber & D.Mohr) Schleich., Grimmia americana E.B.Bartram, Grimmia anodon Bruch & Schimp., Grimmia anomala Hampe, Grimmia atrata Miel. ex Hornsch., Grimmia brittoniae R.S.Williams, Grimmia caespiticia (Brid.) Jur., Grimmia crinitoleucophaea Cardot, Grimmia donniana Sm., Grimmia elatior Bruch ex Bals.-Criv. & De Not., Grimmia elongata Kaulf., Grimmia funalis (Schwägr.) Bruch & Schimp., Grimmia hartmanii Schimp., Grimmia incurva Schwägr., Grimmia laevigata (Brid.) Brid., Grimmia leibergii Paris, Grimmia lisae De Not., Grimmia longirostris Hook., Grimmia milleri Hastings & Greven, Grimmia mollis Bruch & Schimp., Grimmia montana Bruch & Schimp., Grimmia moxleyi R.S.Williams, Grimmia muehlenbeckii Schimp., Grimmia olneyi Sull., Grimmia ovalis (Hedw.) Lindb., Grimmia pilifera P.Beauv., Grimmia plagiopodia Hedw., Grimmia pulvinata (Hedw.) Sm., Grimmia ramondii (DC.) Margad., Grimmia reflexidens C.Müller, 1849, Grimmia sessitana De Not., Grimmia teretinervis Limpr., Grimmia torquata Drumm., Grimmia trichophylla Grev., Grimmia unicolor Hook., Grindelia acutifolia Steyerm., Grindelia arizonica A.Gray, Grindelia columbiana (Piper) Rydb., Grindelia decumbens Greene, Grindelia fastigiata Greene, Grindelia fraxinipratensis Reveal & Beatley, Grindelia grandiflora Hook., Grindelia havardii Steyerm., Grindelia hirsutula Hook. & Arn., Grindelia howellii Steyerm., Grindelia laciniata Rydb., Grindelia oolepis S.F.Blake, Grindelia scabra Greene, Grindelia subalpina Greene, Grusonia pulchella (Engelm.) H.Rob., Guaiacum sanctum L., Guilleminea densa (Willd.) Moq., Gunnera kauaiensis Rock, Gunnera petaloidea Gaudich., Gutierrezia elegans Al Schneid. & P.Lyon, Gutierrezia petradoria (Welsh & Goodrich) S.L.Welsh, Gutierrezia sarothrae (Pursh) Britton & Rusby, Gutierrezia wrightii A.Gray, Guzmania monostachia (L.) Rusby ex Mez, Gyminda latifolia (Sw.) Urb., Gymnanthes lucida Sw., Gymnocarpium appalachianum Pryer & Haufler, Gymnocarpium disjunctum (Rupr.) Ching, Gymnocarpium dryopteris (L.) Newman, Gymnocarpium jessoense (Koidz.) Koidz., Gymnocarpium robertianum (Hoffm.) Newman, Gymnocarpium ×intermedium Sarvela, Gymnocladus dioicus (L.) K.Koch, Gymnocolea inflata (Huds.) Dumort., Gymnomitrion alpinum (Gottsche ex Husn.) Schiffn., Gymnomitrion brevissimum (Dumort.) Warnst., Gymnomitrion commutatum (Limpr.) Schiffn., Gymnomitrion concinnatum (Lightf.) Corda, Gymnomitrion corallioides Nees, Gymnomitrion laceratum (Steph.) Horik., Gymnomitrion mucrophorum R.M.Schust., Gymnomitrion obtusum Lindb., Gymnomitrion pacificum Grolle, Gymnomitrion revolutum (Nees) H.Philib., Gymnopogon ambiguus (Michx.) Britton, Sterns & Poggenb., Gymnopogon brevifolius Trin., Gymnopogon chapmanianus Hitchc., Gymnosteris nudicaulis (Hook. & Arn.) Greene, Gymnosteris parvula (Rydb.) A.Heller, Gymnostomiella orcuttii E.B.Bartram, Gymnostomum aeruginosum Sm., Gyroweisia tenuis (Hedw.) Schimp., Habenaria distans Griseb., Habenaria quinqueseta (Michx.) Eaton, Habenaria repens Nutt., Habenaria viridis var. bracteata (Muhl. ex Willd.) A.Gray, Habenaria zothecina L.C.Higgins & S.L.Welsh, Habranthus tubispathus (L'Hér.) Traub, Hackelia bella (J.F.Macbr.) I.M.Johnst., Hackelia besseyi (Rydb.) J.L.Gentry, Hackelia brevicula (Jeps.) J.L.Gentry, Hackelia ciliata (Douglas ex Lehm.) I.M.Johnst., Hackelia cinerea (Piper) I.M.Johnst., Hackelia cronquistii J.L.Gentry, Hackelia cusickii (Piper) Brand, Hackelia davisii Cronquist, Hackelia deflexa (Wahlenb.) Opiz, Hackelia diffusa (Douglas ex Lehm.) I.M.Johnst., Hackelia floribunda (Lehm.) I.M.Johnst., Hackelia gracilenta (Eastw.) I.M.Johnst., Hackelia ibapensis L.M.Shultz & J.S.Shultz, Hackelia micrantha (Eastw.) J.L.Gentry, Hackelia mundula (Jeps.) Ferris, Hackelia nervosa (Kellogg) I.M.Johnst., Hackelia ophiobia R.L.Carr, Hackelia patens (Nutt.) I.M.Johnst., Hackelia pinetorum (Greene ex A.Gray) I.M.Johnst., Hackelia setosa (Piper) I.M.Johnst., Hackelia sharsmithii I.M.Johnst., Hackelia taylorii Harrod, Malmquist & R.L.Carr, Hackelia ursina (Greene ex A.Gray) I.M.Johnst., Hackelia venusta (Piper) H.St.John, Hackelia virginiana (L.) I.M.Johnst., Hageniella micans B.C.Tan & Jia Yu, 1999, Halenia deflexa (Sm.) Griseb., Halenia recurva (Sm.) C.K.Allen, Halesia carolina L., Halesia tetraptera J.Ellis, Halimolobos mollis (Hook.) Rollins, Halimolobos perplexa (L.F.Hend.) Rollins, Halimolobos perplexa var. lemhiensis C.L.Hitchc., Halimolobos perplexa var. perplexa, Halimolobos virgata (Nutt.) O.E.Schulz, Halimolobos whitedii (Piper) Rollins, Halodule wrightii Asch., Halophila engelmannii Asch., Halophila hawaiiana Doty & B.C.Stone, Halophila johnsonii Eiseman, Hamamelis ovalis S.W.Leonard, Hamamelis vernalis Sarg., Hamamelis virginiana L., Hamatocaulis lapponicus (Norrl.) Hedenäs, Hamatocaulis vernicosus (Mitt.) Hedenäs, Hamelia patens Jacq., Haplocladium microphyllum (Sw. ex Hedw.) Broth., Haplocladium virginianum (Brid.) Broth., Haplodontium macrocarpum (Drumm.) J.R.Spence, Haplodontium tehamense (Showers) J.R.Spence, Haplopappus crispus L.C.Anderson, Haplopappus zionis L.C.Anderson, Haplophyton cimicidum A.DC., Haplostachys haplostachya (A.Gray) H.St.John, Harbouria trachypleura (A.Gray) J.M.Coult. & Rose, Harpagonella palmeri A.Gray, Harpalejeunea molleri (Steph.) Grolle, Harpalejeunea stricta (Lindenb. & Gottsche) Steph., Harpanthus drummondii (Taylor) Grolle, Harpanthus flotovianus (Nees) Nees, Harpanthus scutatus (F.Weber & D.Mohr) Spruce, Harperocallis flava McDaniel, Harrimanella hypnoides (L.) Coville, Harrimanella stelleriana (Pall.) Coville, Harrisia aboriginum Small, 1920, Harrisia fragrans Small, Harrisia portoricensis Britton, Harrisia simpsonii Small, 1920, Hartwrightia floridana A.Gray ex S.Watson, Hasteola robertiorum L.C.Anderson, Hasteola suaveolens (L.) Pojark., Hastingsia bracteosa S.Watson, Hastingsia serpenticola Becking, Hazardia brickellioides (S.F.Blake) W.D.Clark, Hazardia cana (A.Gray) Greene, Hazardia orcuttii (A.Gray) Greene, Hazardia stenolepis (H.M.Hall) Hoover, Hechtia glomerata Zucc., Hechtia texensis S.Watson, Hedeoma apiculata W.S.Stewart, Hedeoma costata Hemsl., Hedeoma dentata Torr., Hedeoma diffusa Greene, Hedeoma drummondii Benth., Hedeoma hispida Pursh, Hedeoma hyssopifolia A.Gray, Hedeoma mollis Torr., Hedeoma nana (Torr.) Briq., Hedeoma oblongifolia (A.Gray) A.Heller, Hedeoma pulcherrima Wooton & Standl., Hedeoma pulegioides (L.) Pers., Hedeoma todsenii R.S.Irving, Hedwigia ciliata (Hedw.) P.Beauv., Hedwigia detonsa (M.Howe) W.R.Buck & D.H.Norris, Hedwigia stellata Hedenäs, Hedyotis acuminata (Cham. & Schltdl.) Steud., Hedyotis angulata Fosberg ex Shinners, Hedyotis butterwickiae (Terrell) G.L.Nesom, Hedyotis centranthoides (Hook. & Arn.) Steud., Hedyotis cookiana (Cham. & Schltdl.) Steud., Hedyotis coriacea Sm., Hedyotis degeneri Fosberg, Hedyotis elatior (H.Mann) Fosberg, Hedyotis fluviatilis (C.N.Forbes) Fosberg, Hedyotis flynnii W.L.Wagner & Lorence, Hedyotis foggiana Fosberg, Hedyotis formosa (Hillebr.) Fosberg, Hedyotis fosbergii W.L.Wagner & D.R.Herbst, Hedyotis knudsenii (Hillebr.) Fosberg, Hedyotis littoralis (Hillebr.) Fosberg, Hedyotis mannii Fosberg, Hedyotis nigricans (Lam.) Fosberg, Hedyotis parvula (A.Gray) Fosberg, Hedyotis pooleana B.L.Turner, Hedyotis schlechtendahliana Steud., Hedyotis L., Hedyotis tryblium D.R.Herbst & W.L.Wagner, Hedysarum alpinum L., Hedysarum boreale Nutt., Hedysarum occidentale Greene, Hedysarum occidentale var. canone S.L.Welsh, Hedysarum sulphurescens Rydb., Helenium amarum (Raf.) H.Rock, Helenium arizonicum S.F.Blake, Helenium autumnale L., Helenium brevifolium (Nutt.) Wood, Helenium campestre Small, Helenium drummondii H.Rock, Helenium flexuosum Raf., Helenium microcephalum DC., Helenium pinnatifidum (Nutt.) Rydb., Helenium vernale Walter, Helenium virginicum S.F.Blake, Helianthella castanea Greene, Helianthella microcephala (A.Gray) A.Gray, Helianthella parryi A.Gray, Helianthella quinquenervis (Hook.) A.Gray, Helianthella uniflora (Nutt.) Torr. & A.Gray, Helianthemum arenicola Chapm., Helianthemum bicknellii Fernald, Helianthemum canadense (L.) Michx., Helianthemum carolinianum (Walter) Michx., Helianthemum Mill., Helianthemum dumosum (E.P.Bicknell) Fernald, Helianthemum georgianum Chapm., Helianthemum glomeratum (Lag.) Lag. ex Dunal, Helianthemum greenei B.L.Rob., Helianthemum nashii Britton, Helianthemum propinquum E.P.Bicknell, Helianthemum rosmarinifolium Mart., Helianthus angustifolius L., Helianthus annuus L., Helianthus anomalus S.F.Blake, Helianthus arizonensis R.C.Jacks., Helianthus atrorubens L., Helianthus bolanderi A.Gray, Helianthus carnosus Small, Helianthus ciliaris DC., Helianthus decapetalus L., Helianthus divaricatus L., Helianthus eggertii Small, Helianthus floridanus A.Gray ex Chapm., Helianthus giganteus L., Helianthus glaucophyllus D.M.Sm., Helianthus grosseserratus M.Martens, Helianthus heterophyllus Nutt., Helianthus hirsutus Raf., Helianthus inexpectatus D.J.Keil & Elvin, Helianthus laciniatus A.Gray, Helianthus laevigatus Torr. & A.Gray, Helianthus longifolius Pursh, Helianthus maximiliani Schrad., Helianthus mollis Lam., Helianthus neglectus Heiser, Helianthus niveus (Benth.) Brandegee, Helianthus nuttallii Torr. & A.Gray, Helianthus occidentalis Riddell, Helianthus paradoxus Heiser, Helianthus pauciflorus Nutt., Helianthus petiolaris Nutt., Helianthus porteri (A.Gray) Pruski, Helianthus pumilus Nutt., Helianthus resinosus Small, Helianthus salicifolius A.Dietr., Helianthus schweinitzii Torr. & A.Gray, Helianthus silphioides Nutt., Helianthus simulans E.Watson, Helianthus smithii Heiser, 1964, Helianthus strumosus L., Helianthus tuberosus L., Helianthus verticillatus Small, Helianthus winteri J.C.Stebbins, Helianthus ×intermedius R.W.Long, Helianthus ×kellermanii (Britton) R.W.Long, Helianthus ×laetiflorus Pers., Helianthus orgyaloides Cockerell, Helictotrichon mortonianum (Scribn.) Henrard, Helietta parvifolia (A.Gray ex Hemsl.) Benth., Heliomeris hispida (A.Gray) Cockerell, Heliomeris multiflora Nutt., Heliomeris soliceps (Barneby) Yates, Heliopsis helianthoides (L.) Sw., Heliotropium anomalum Hook. & Arn., Heliotropium convolvulaceum (Nutt.) A.Gray, Heliotropium curassavicum L., Heliotropium greggii Torr., Heliotropium molle (Torr.) I.M.Johnst., Heliotropium procumbens Mill., Heliotropium tenellum (Nutt.) Torr., Helodium blandowii (F.Weber & D.Mohr) Warnst., Helonias bullata L., Hemizonia arida D.D.Keck, Hemizonia conjugens D.D.Keck, Hemizonia corymbosa (DC.) Torr. & A.Gray, Hemizonia floribunda A.Gray, Hemizonia halliana D.D.Keck, Hemizonia minthornii Jeps., Hemizonia pallida D.D.Keck, Hemizonia paniculata A.Gray, Hemizonia parryi Greene, Hemizonia pentactis (D.D.Keck) D.D.Keck, Hemizonia pungens (Hook. & Arn.) Torr. & A.Gray, Hennediella heimii (Hedw.) R.H.Zander, Hennediella stanfordensis (Steere) Blockeel, Henrya insularis Nees, Heracleum maximum W.Bartram, Herbertia lahue (Molina) Goldblatt, Herbertus aduncus (Dicks.) Gray, Herbertus dicranus (Taylor) Trevis., Herbertus hawaiiensis H.A.Mill., Herbertus sendtneri (Nees) Lindb., Herbertus stramineus (Dumort.) Trevis., Herbertus tenuis A.Evans, Herissantia crispa (L.) Brizicky, Hermannia pauciflora S.Watson, Herpetineuron toccoae (Sull. & Lesq.) Cardot, Herrickia horrida Wooton & Standl., Herzogiella adscendens (Lindb.) Z.Iwats. & W.B.Schofield, Herzogiella seligeri (Brid.) Z.Iwats., Herzogiella striatella (Brid.) Z.Iwats., Herzogiella turfacea (Lindb.) Z.Iwats., Hesperaloe funifera (K.Koch) Trel., Hesperaloe parviflora (Torr.) J.M.Coult., Hesperevax caulescens (Benth.) A.Gray, Hesperidanthus argillaceus (S.L.Welsh & N.D.Atwood) Al-Shehbaz, Hesperidanthus barnebyi (S.L.Welsh & N.D.Atwood) Al-Shehbaz, Hesperidanthus jaegeri (Rollins) Al-Shehbaz, Hesperidanthus suffrutescens (Rollins) Al-Shehbaz, Hesperocallis undulata A.Gray, Hesperochiron californicus (Benth.) S.Watson, Hesperochiron pumilus (Griseb.) Porter, Hesperocnide sandwicensis (Wedd.) Wedd., Hesperodoria salicina (S.F.Blake) G.L.Nesom, Hesperodoria scopulorum (M.E.Jones) Greene, Hesperolinon adenophyllum (A.Gray) Small, Hesperolinon bicarpellatum (H.Sharsm.) H.Sharsm., Hesperolinon breweri (A.Gray) Small, Hesperolinon californicum (Benth.) Small, Hesperolinon clevelandii (Greene) Small, Hesperolinon congestum (A.Gray) Small, Hesperolinon didymocarpum H.Sharsm., Hesperolinon disjunctum H.Sharsm., Hesperolinon drymarioides (Curran) Small, Hesperolinon spergulinum (A.Gray) Small, Hesperolinon tehamense H.Sharsm., Hesperomannia arborescens A.Gray, Hesperomannia arbuscula Hillebr., Hesperomannia lydgatei Forbes, Hesperostipa comata (Trin. & Rupr.) Barkworth, Hesperostipa curtiseta (Hitchc.) Barkworth, Hesperostipa neomexicana (Thurb.) Barkworth, Hesperostipa spartea (Trin.) Barkworth, Heteranthera dubia (Jacq.) MacMill., Heteranthera limosa (Sw.) Willd., Heteranthera mexicana S.Watson, Heteranthera Ruiz & Pav., Heteranthera Ruiz & Pav., Heteranthera peduncularis Benth., Heteranthera reniformis Ruiz & Pav., Heterocladium dimorphum (Brid.) Schimp., Heterocladium macounii Best, Heterocladium procurrens (Mitt.) A.Jaeger, Heterocodon rariflorum Nutt., Heterocodon rariflorum Nutt., Heterophyllium affine (Hook.) M.Fleisch., Heteropogon melanocarpus (Elliott) Benth., Heterosperma pinnatum Cav., Heterotheca barbata (Rydb.) Semple, Heterotheca camporum (Greene) Shinners, Heterotheca fulcrata (Greene) Shinners, Heterotheca jonesii (S.F.Blake) S.L.Welsh & N.D.Atwood, Heterotheca monarchensis D.A.York, Shevock & Semple, Heterotheca oregona (Nutt.) Shinners, Heterotheca postpetrinis G.L.Nesom, Heterotheca pumila (Greene) Semple, Heterotheca rutteri (Rothr.) Shinners, Heterotheca shevockii (Semple) Semple, Heterotheca stenophylla (A.Gray) Shinners, Heterotheca villosa (Pursh) Shinners, Heterotheca viscida (A.Gray) V.L.Harms, Heterotheca zionensis Semple, Heuchera abramsii Rydb., Heuchera alba Rydb., Heuchera americana L., Heuchera bracteata (Torr.) Ser., Heuchera brevistaminea Wiggins, Heuchera caespitosa Eastw., Heuchera caroliniana (Rosend., Butters & Lakela) E.F.Wells, Heuchera cylindrica Douglas, Heuchera eastwoodiae Rosend. & Lakela, Heuchera glabra Willd. ex Roem. & Schult., Heuchera glomerulata Rosend. & Lakela, Heuchera hirsutissima Rosend. & Lakela, Heuchera longiflora Rydb., Heuchera maxima Greene, Heuchera merriamii Eastw., Heuchera novamexicana Wheelock, Heuchera parishii Rydb., Heuchera parviflora Bartl., Heuchera parvifolia Nutt. ex Torr. & A.Gray, Heuchera pilosissima Fisch. & C.A.Mey., Heuchera pubescens Pursh, Heuchera pulchella Wooton & Standl., Heuchera richardsonii R.Br., Heuchera rubescens Torr., Heuchera villosa Michx., Heuchera wootonii Rydb., Hexalectris grandiflora (A.Rich. & Galeotti) L.O.Williams, Hexalectris nitida L.O.Williams, Hexalectris parviflora L.O.Williams, Hexalectris revoluta Correll, Hexalectris spicata (Walter) Barnhart, Hexalectris warnockii Ames & Correll, Hexastylis arifolia (Michx.) Small, Hexastylis contracta H.L.Blomq., Hexastylis finzelii B.R.Keener, Hexastylis heterophylla (Ashe) Small, Hexastylis lewisii (Fernald) H.L.Blomq. & Oost., Hexastylis naniflora H.L.Blomq., Hexastylis rhombiformis Gaddy, Hexastylis shuttleworthii (Britten & Baker) Small, Hexastylis speciosa R.M.Harper, Hexastylis virginica (L.) Small, Hibiscadelphus distans L.E.Bishop & Herbst, Hibiscadelphus giffardianus Rock, Hibiscadelphus hualalaiensis Rock, Hibiscadelphus woodii Lorence & W.L.Wagner, Hibiscus aculeatus Walter, Hibiscus arnottianus A.Gray, Hibiscus brackenridgei A.Gray, Hibiscus clayi O.Deg. & I.Deg., Hibiscus coccineus (Medik.) Walter, Hibiscus dasycalyx S.F.Blake & Shiller, Hibiscus denudatus Benth., Hibiscus grandiflorus Michx., Hibiscus kokio Hillebr. ex Wawra, Hibiscus laevis All., Hibiscus moscheutos L., Hibiscus poeppigii (Spreng.) Garcke, Hibiscus waimeae A.Heller, Hieracium albiflorum Hook., Hieracium argutum Nutt., Hieracium bolanderi A.Gray, Hieracium canadense Froel., Hieracium carneum Greene, Hieracium fendleri Sch.Bip., Hieracium greenei A.Gray, Hieracium greenei A.Gray, Hieracium gronovii L., Hieracium horridum Fr., Hieracium lemmonii A.Gray, Hieracium longiberbe Howell, Hieracium longipilum Torr. ex Hook., Hieracium ×marianum Willd., Hieracium paniculatum L., Hieracium pringlei A.Gray, Hieracium robinsonii (Zahn) Fernald, Hieracium rusbyi Greene ex J.M.Coult., 1894, Hieracium scabrum Michx., Hieracium umbellatum L., Hieracium venosum L., Hierochloe alpina (Sw. ex Willd.) Roem. & Schult., Hierochloe hirta (Schrank) Borbás, Hierochloe odorata (L.) P.Beauv., Hierochloe pauciflora R.Br., Hillebrandia sandwicensis Oliv., Hilpertia velenovskyi (Schiffn.) R.H.Zander, Hippomane mancinella L., Hippuris montana Ledeb. ex Rchb., Hippuris tetraphylla L.fil., Hippuris vulgaris L., Hoffmannseggia drepanocarpa A.Gray, Hoffmannseggia drummondii Torr. & A.Gray, Hoffmannseggia glauca (Ortega) Eifert, Hoffmannseggia oxycarpa Benth., Hoffmannseggia repens (Eastw.) Cockerell, Hoffmannseggia tenella Tharp & L.O.Williams, Hoita strobilina (Hook. & Arn.) Rydb., Hollisteria lanata S.Watson, Holmgrenanthe petrophila (Coville & C.V.Morton) Elisens, Holocarpha macradenia (DC.) Greene, Holodiscus dumosus A.Heller, Homalia trichomanoides (Hedw.) Schimp., Homaliadelphus sharpii (R.S.Williams) Sharp, Homalotheciella subcapillata (Hedw.) Broth., Homalothecium aeneum (Mitt.) E.Lawton, Homalothecium arenarium (Lesq.) E.Lawton, Homalothecium aureum (Spruce) H.Rob., Homalothecium fulgescens (Mitt. ex Müll.Hal.) A.Jaeger, Homalothecium megaptilum (Sull.) H.Rob., Homalothecium nevadense (Lesq.) Renauld & Cardot, Homomallium adnatum (Hedw.) Broth., Honckenya peploides (L.) Ehrh., Hookeria acutifolia Hook. & Grev., Hookeria lucens (Hedw.) Sm., Hordeum arizonicum Covas, Hordeum brachyantherum Nevski, Hordeum intercedens Nevski, Hordeum jubatum L., Hordeum pusillum Nutt., Horkelia bolanderi A.Gray, Horkelia clevelandii (Greene) Rydb., Horkelia hendersonii Howell, Horkelia hispidula Rydb., Horkelia howellii Rydb., Horkelia marinensis (Elmer) Crum ex D.D.Keck, Horkelia parryi Greene, Horkelia rydbergii Elmer, Horkelia sericata S.Watson, Horkelia tenuiloba (Torr.) A.Gray, Horkelia truncata Rydb., Horkelia tularensis (Howell) Munz, Horkelia wilderae Parish, Horkelia yadonii Ertter, Horkeliella congdonis (Rydb.) Rydb., Horkeliella purpurascens (S.Watson) Rydb., Hottonia inflata Elliott, Houstonia caerulea L., Houstonia canadensis Willd., Houstonia correllii (W.H.Lewis) Terrell, Houstonia croftiae Britton & Rusby, Houstonia humifusa (Engelm. ex A.Gray) A.Gray, Houstonia longifolia Gaertn., Houstonia micrantha (Shinners) Terrell, Houstonia ouachitana (E.B.Sm.) Terrell, Houstonia parviflora Holz. ex Greenm., Houstonia procumbens (Walter ex J.F.Gmel.) Standl., Houstonia purpurea L., Houstonia pusilla Schoepf, Houstonia rubra Cav., Houstonia serpyllifolia Michx., Howellia aquatilis A.Gray, Howelliella ovata (Eastw.) Rothm., Hudsonia ericoides L., Hudsonia montana Nutt., Hudsonia tomentosa Nutt., Hulsea algida A.Gray, Hulsea brevifolia A.Gray, Hulsea californica A.Gray, Hulsea heterochroma A.Gray, Hulsea mexicana Rydb., Hulsea nana A.Gray, Hulsea vestita A.Gray, Humulus lupulus L., Hunzikeria texana (Torr.) D' Arcy, Huperzia appalachiana Beitel & Mickel, Huperzia chinensis (Christ) Ching, Huperzia dichotoma (Jacq.) Trevis., Huperzia haleakalae (Brack.) Holub, Huperzia lucidula (Michx.) Trevis., Huperzia mannii (Hillebr.) Kartesz & Gandhi, Huperzia nutans (Brack.) Rothm., Huperzia occidentalis (Clute) Kartesz & Gandhi, Huperzia polytrichoides (Kaulf.) Trevis., Huperzia porophila (F.E.Lloyd & Underw.) Holub, Huperzia selago (L.) Bernh., Huperzia serrata (Thunb.) Trevis., Huperzia somai (Hayata) Ching, Huperzia stemmermanniae (A.C.Medeiros & W.H.Wagner) Kartesz, Hutchinsia procumbens (L.) Desv., Hybanthus concolor (T.F.Forst.) Spreng., Hydrangea arborescens L., Hydrangea cinerea Small, Hydrangea radiata Walter, Hydrastis canadensis L., Hydrocotyle americana L., Hydrocotyle bonariensis Comm. ex Lam., Hydrocotyle ranunculoides L.fil., Hydrocotyle umbellata L., Hydrocotyle verticillata Thunb., Hydrolea corymbosa J.F.Macbr. ex Elliott, Hydrolea ovata Nutt. ex Choisy, Hydrolea quadrivalvis Walter, Hydrolea spinosa L., Hydrolea uniflora Raf., Hydrophyllum appendiculatum Michx., Hydrophyllum brownei Kral & V.M.Bates, Hydrophyllum canadense L., Hydrophyllum capitatum Douglas ex Benth., Hydrophyllum fendleri (A.Gray) A.Heller, Hydrophyllum macrophyllum Nutt., Hydrophyllum occidentale (S.Watson) A.Gray, Hydrophyllum tenuipes A.Heller, Hydrophyllum virginianum L., Hygroamblystegium varium (Hedw.) Mönk., Hygrobiella laxifolia (Hook.) Spruce, Hygrohypnum alpestre (Hedw.) Loeske, Hygrohypnum alpinum (Lindb.) Loeske, Hygrohypnum bestii (Renauld & Bryhn) Broth., Hygrohypnum closteri (Austin) Grout, Hygrohypnum cochleariifolium (Venturi) Broth., Hygrohypnum duriusculum (De Not.) D.W.Jamieson, Hygrohypnum eugyrium (Schimp.) Broth., Hygrohypnum luridum (Hedw.) Jenn., Hygrohypnum molle (Hedw.) Loeske, Hygrohypnum montanum (Lindb.) Broth., Hygrohypnum norvegicum (Schimp.) J.J.Amann, Hygrohypnum ochraceum (Turner ex Wilson) Loeske, Hygrohypnum polare (Lindb.) Loeske, Hygrohypnum smithii (Sw.) Broth., Hygrohypnum styriacum (Limpr.) Broth., Hygrohypnum subeugyrium (Renauld & Cardot) Broth., Hygrophila lacustris (Cham. & Schltdl.) Nees, Hylocomiastrum pyrenaicum (Spruce) M.Fleisch., Hylocomiastrum umbratum (Hedw.) M.Fleisch., Hylocomium splendens (Hedw.) Schimp., Hylotelephium telephioides (Michx.) H.Ohba, Hymenocallis caroliniana (L.) Herb., Hymenocallis choctawensis Traub, Hymenocallis duvalensis Traub ex Laferr., Hymenocallis floridana (Raf.) C.V.Morton, Hymenocallis gholsonii G.Lom.Sm. & Garland, Hymenocallis godfreyi G.L.Sm. & Darst, Hymenocallis henryae Traub, Hymenocallis latifolia (Mill.) M.Roem., Hymenocallis liriosme (Raf.) Shinners, Hymenocallis palmeri S.Watson, Hymenocallis puntagordensis Traub ex Laferr., 1996, Hymenocallis rotata (Ker Gawl.) Herb., Hymenoclea monogyra Torr. & A.Gray, Hymenoclea sandersonii S.L.Welsh, 1994, Hymenopappus biennis B.L.Turner, Hymenopappus carrizoanus B.L.Turner, Hymenopappus filifolius Hook., Hymenopappus mexicanus A.Gray, Hymenopappus scabiosaeus L'Hér., Hymenophyllum lanceolatum Hook. & Arn., Hymenophyllum obtusum Hook. & Arn., Hymenophyllum recurvum Gaudich., Hymenophyllum tayloriae Farrar & Raine, Hymenophyllum tunbrigense (L.) Sm., Hymenophyllum wrightii Bosch, Hymenostylium recurvirostrum (Hedw.) Dixon, Hymenothrix loomisii S.F.Blake, Hymenothrix wislizeni A.Gray, Hymenothrix wrightii A.Gray, Hymenoxys acaulis var. nana S.L.Welsh, Hymenoxys ambigens (S.F.Blake) Bierner, Hymenoxys bigelovii (A.Gray) K.F.Parker, Hymenoxys brachyactis Wooton & Standl., Hymenoxys cooperi (A.Gray) Cockerell, Hymenoxys helenioides (Rydb.) Cockerell, Hymenoxys jamesii Bierner, Hymenoxys lapidicola S.L.Welsh & Neese, Hymenoxys lemmonii (Greene) Cockerell, Hymenoxys odorata DC., Hymenoxys quinquesquamata Rydb., Hymenoxys richardsonii (Hook.) Cockerell, Hymenoxys rusbyi (A.Gray) Cockerell, Hymenoxys subintegra Cockerell, Hymenoxys texana (J.M.Coult. & Rose) Cockerell, Hymenoxys vaseyi (A.Gray) Cockerell, Hyophila involuta (Hook.) A.Jaeger, Hypelate trifoliata Sw., Hypericum adpressum W.P.C.Barton, Hypericum anagalloides Cham. & Schltdl., Hypericum ascyron L., Hypericum boreale (Britton) E.P.Bicknell, Hypericum brachyphyllum (Spach) Steud., Hypericum buckleyi M.A.Curtis, Hypericum canadense L., Hypericum chapmanii W.P.Adams, Hypericum crux-andreae (L.) Crantz, Hypericum cumulicola (Small) W.P.Adams, Hypericum densiflorum Pursh, Hypericum denticulatum Walter, Hypericum dissimulatum E.P.Bicknell, Hypericum dolabriforme Vent., Hypericum drummondii (Grev. & Hook.) Torr. & A.Gray, Hypericum edisonianum (Small) P.B.Adams & N.Robson, Hypericum ellipticum Hook., Hypericum exile W.P.Adams, Hypericum fasciculatum Lam., Hypericum gentianoides (L.) Britton, Sterns & Poggenb., Hypericum graveolens Buckley, Hypericum gymnanthum Engelm. & A.Gray, Hypericum harperi R.Keller, Hypericum hypericoides (L.) Crantz, Hypericum kalmianum L., Hypericum lissophloeus W.P.Adams, Hypericum lloydii (Svenson) W.P.Adams, Hypericum lobocarpum Gatt., Hypericum majus (A.Gray) Britton, Hypericum microsepalum (Torr. & A.Gray) A.Gray, Hypericum ×mitchellianum Rydb., Hypericum mutilum L., Hypericum myrtifolium Lam., Hypericum nitidum Lam., Hypericum nudiflorum Michx. ex Willd., Hypericum pauciflorum Kunth, Hypericum prolificum L., Hypericum pseudomaculatum Bush, Hypericum punctatum Lam., Hypericum reductum W.P.Adams, Hypericum scouleri Hook., Hypericum setosum L., Hypericum sphaerocarpum Michx., Hypericum virgatum Lam., Hypnum andoi A.J.E.Sm., Hypnum bambergeri Schimp., Hypnum callichroum Brid., Hypnum cupressiforme Hedw., Hypnum curvifolium Hedw., Hypnum fauriei Cardot, Hypnum hamulosum Schimp., Hypnum holmenii Ando, Hypnum imponens Hedw., Hypnum jutlandicum Holmen & E.Warncke, Hypnum lindbergii Mitt., Hypnum pallescens (Hedw.) P.Beauv., Hypnum plicatulum (Lindb.) A.Jaeger, Hypnum pratense W.D.J.Koch ex Spruce, Hypnum procerrimum Molendo, Hypnum recurvatum (Lindb. & Arnell) Kindb., Hypnum revolutum (Mitt.) Lindb., Hypnum subimponens Lesq., Hypnum vaucheri Lesq., Hypolepis hawaiiensis Brownsey, Hypopterygium flavolimbatum C.Müller, 1850, Hypoxis curtissii Rose, Hypoxis hirsuta (L.) Coville, Hypoxis juncea Sm., Hypoxis mexicana Schult. & Schult.f., Hypoxis rigida Chapm., Hypoxis sessilis L., Hypoxis wrightii (Baker) Brackett, Hyptis alata (Raf.) Shinners, Hyptis emoryi Torr., Ibervillea lindheimeri (A.Gray) Greene, Ibervillea tenuisecta (A.Gray) Small, Idahoa scapigera (Hook.) A.Nelson & J.F.Macbr., Ilex ambigua (Michx.) Elliott, Ilex amelanchier M.A.Curtis ex Chapm., Ilex anomala Hook. & Arn., Ilex cassine L., Ilex collina Alexander, Ilex cookii Britton & P.Wilson, Ilex coriacea (Pursh) Chapm., Ilex cuthbertii Small, Ilex decidua Walter, Ilex glabra (L.) A.Gray, Ilex krugiana Loes. ex Urb., Ilex laevigata (Pursh) A.Gray, Ilex longipes Chapm. ex Trel., Ilex montana Torr. & A.Gray, Ilex myrtifolia Lam., Ilex opaca Aiton, Ilex sintenisii (Urb.) Britton, Ilex verticillata (L.) A.Gray, Ilex vomitoria Aiton, Iliamna bakeri (Jeps.) Wiggins, Iliamna corei (Sherff) Sherff, Iliamna crandallii (Rydb.) Wiggins, Iliamna grandiflora (Rydb.) Wiggins, Iliamna latibracteata Wiggins, Iliamna longisepala (Torr.) Wiggins, Iliamna remota Greene, Iliamna rivularis (Douglas ex Hook.) Greene, Illicium floridanum J.Ellis, Illicium parviflorum Michx., Imbribryum alpinum (Huds. ex With.) N.Pedersen, Imbribryum gemmiparum (De Not.) J.R.Spence, Imbribryum miniatum (Lesq.) J.R.Spence, Imbribryum muehlenbeckii (Bruch & Schimp.) N.Pedersen, Impatiens aurella Rydb., Impatiens ecornuta Gerry Moore, Zika & Rushworth, Impatiens noli-tangere L., Impatiens pallida Nutt., Imperata brevifolia Vasey, Indigofera caroliniana Mill., Indigofera miniata Ortega, Indigofera L., Iodanthus pinnatifidus (Michx.) Steud., Ionactis alpina (Nutt.) Greene, Ionactis caelestis P.J.Leary & G.L.Nesom, Ionactis elegans (Soreng & Spellenb.) G.L.Nesom, Ionactis linariifolia (L.) Greene, Ionactis stenomeres (A.Gray) Greene, Ionopsis utricularioides (Sw.) Lindl., Ipomoea alba L., Ipomoea barbatisepala A.Gray, Ipomoea capillacea (Kunth) G.Don, Ipomoea cardiophylla A.Gray, Ipomoea cordatotriloba Dennst., Ipomoea gilana K.Keith & A.Mc Donald, Ipomoea imperati (Vahl) Griseb., Ipomoea lacunosa L., Ipomoea leptophylla Torr., Ipomoea lindheimeri A.Gray, Ipomoea longifolia Benth., Ipomoea macrorhiza Michx., Ipomoea microdactyla Griseb., Ipomoea pandurata (L.) G.Mey., Ipomoea pes-caprae (L.) R.Br., Ipomoea plummerae A.Gray, Ipomoea shumardiana (Torr.) Shinners, Ipomoea tenuissima Choisy, Ipomoea thurberi A.Gray, Ipomoea tuboides O.Deg. & Ooststr., Ipomoea violacea L., Ipomopsis aggregata subsp. attenuata (A.Gray) V.E.Grant & A.D.Grant, Ipomopsis aggregata subsp. weberi V.E.Grant & Wilken, Ipomopsis aggregata var. tenuituba (Rydb.) Dorn, Ipomopsis arizonica (Greene) Wherry, Ipomopsis congesta (Hook.) V.E.Grant, Ipomopsis congesta var. nevadensis (Tidestr.) Tiehm, Ipomopsis crebrifolia (Nutt.) Dorn, Ipomopsis depressa (M.E.Jones ex A.Gray) V.E.Grant, Ipomopsis effusa (A.Gray) Moran, Ipomopsis globularis (Brand) W.A.Weber, Ipomopsis gunnisonii (Torr. & A.Gray) V.E.Grant, Ipomopsis havardii (A.Gray) V.E.Grant, Ipomopsis laxiflora (J.M.Coult.) V.E.Grant, Ipomopsis longiflora (Torr.) V.E.Grant, Ipomopsis macombii (Torr. ex A.Gray) V.E.Grant, Ipomopsis minutiflora (Benth.) V.E.Grant, Ipomopsis multiflora (Nutt.) V.E.Grant, Ipomopsis pinnata (Cav.) V.E.Grant, Ipomopsis polyantha (Rydb.) V.E.Grant, Ipomopsis polycladon (Torr.) V.E.Grant, Ipomopsis pumila (Nutt.) V.E.Grant, Ipomopsis roseata (Rydb.) V.E.Grant, Ipomopsis rubra (L.) Wherry, Ipomopsis sancti-spiritus Wilken & R.A.Fletcher, Ipomopsis spicata (Nutt.) V.E.Grant, Ipomopsis tenuifolia (A.Gray) V.E.Grant, Ipomopsis tenuituba (Rydb.) V.E.Grant, Ipomopsis thurberi (A.Gray) V.E.Grant, Ipomopsis tridactyla (Rydb.) S.L.Welsh, Iresine palmeri (S.Watson) Standl., Iresine rhizomatosa Standl., Iris bracteata S.Watson, Iris brevicaulis Raf., Iris cristata Aiton, Iris fernaldii R.C.Foster, Iris fulva Ker Gawl., Iris giganticaerulea Small, Iris hexagona Walter, Iris innominata L.F.Hend., Iris lacustris Nutt., Iris missouriensis Nutt., Iris munzii R.C.Foster, Iris prismatica Pursh, Iris purdyi Eastw., Iris setosa Pall. ex Link, Iris tenuissima Dykes, Iris ×thompsonii R.C.Foster, Iris tridentata Pursh, Iris verna L., Iris versicolor L., Iris virginica L., Iris ×nelsonii Randolph, Isachne distichophylla Munro ex Hillebr., Isachne pallens Hildebr., Ischaemum byrone (Trin.) Hitchc., Isocarpha oppositifolia (L.) Cass., Isocoma arguta Greene, Isocoma coronopifolia (A.Gray) Greene, Isocoma tenuisecta Greene, Isodendrion hosakae H.St.John, Isodendrion laurifolium A.Gray, Isodendrion longifolium A.Gray, Isodendrion pyrifolium A.Gray, Isoetes acadiensis Kott, Isoetes appalachiana D.F.Brunt. & D.M.Britton, Isoetes bolanderi Engelm., Isoetes boomii Luebke, Isoetes butleri Engelm., Isoetes echinospora Durand, Isoetes engelmannii A.Braun, Isoetes flaccida Shuttlew., Isoetes georgiana Luebke, Isoetes graniticola D.F.Brunt., Isoetes hawaiiensis W.C.Taylor & W.H.Wagner, Isoetes howellii Engelm., Isoetes hyemalis D.F.Brunt., Isoetes junciformis D.F.Brunt. & D.M.Britton, Isoetes lacustris L., Isoetes lithophila N.Pfeiff., Isoetes louisianensis Thieret, Isoetes maritima Underw., Isoetes melanopoda Gay & Durieu, Isoetes melanospora Engelm., Isoetes microvela D.F.Brunt., Isoetes minima A.A.Eaton, Isoetes mississippiensis S.W.Leonard, W.C.Taylor, Musselman & R.D.Bray, Isoetes nuttallii A.Braun ex Engelm., Isoetes occidentalis Hend., Isoetes orcuttii Eaton, Isoetes piedmontana (N.Pfeiff.) C.F.Reed, Isoetes prototypus D.M.Britton & Goltz, Isoetes riparia Engelm. ex A.Braun, Isoetes tegetiformans Rury, Isoetes L., Isoetes tuckermanii A.Braun ex Engelm., Isoetes valida (Engelm.) Clute, Isoetes virginica N.Pfeiff., Isoetes viridimontana M.A.Rosenthal & W.C.Taylor, Isoetes ×brittonii D.F.Brunt. & W.C.Taylor, Isoetes ×hickeyi W.C.Taylor & Luebke, Isoetes ×truncata (A.A.Eaton) Clute, Isolepis carinata Hook. & Arn. ex Torr., Isolepis cernua (Vahl) Roem. & Schult., Isopaches alboviridis (R.M.Schust.) Schljakov, Isopaches bicrenatus (Schmidel ex Hoffm.) H.Buch, Isopterygiopsis muelleriana (Schimp.) Z.Iwats., Isopterygiopsis pulchella (Hedw.) Z.Iwats., Isopterygium tenerum (Sw.) Mitt., Isothecium alopecuroides (Lam. ex Dubois) Isov., Isothecium myosuroides Brid., Isotria medeoloides (Pursh) Raf., Isotria verticillata (Muhl. ex Willd.) Raf., Itea virginica L., Iva acerosa (Nutt.) R.C.Jacks., Iva angustifolia Nutt. ex DC., Iva annua L., Iva axillaris Pursh, Iva frutescens L., Iva hayesiana A.Gray, Iva imbricata Walter, Iva microcephala Nutt., Iva nevadensis M.E.Jones, Iva xanthifolia Nutt., Ivesia aperta (Howell) Munz, Ivesia aperta var. aperta, Ivesia aperta var. canina Ertter, Ivesia argyrocoma (Rydb.) Rydb., Ivesia arizonica (Eastw. ex J.T.Howell) Ertter, Ivesia baileyi S.Watson, Ivesia callida (H.M.Hall) Rydb., Ivesia campestris (M.E.Jones) Rydb., Ivesia cryptocaulis (Clokey) D.D.Keck, Ivesia gordonii (Hook.) Torr. & A.Gray, Ivesia jaegeri Munz & I.M.Johnst., Ivesia kingii S.Watson, Ivesia longibracteata Ertter, Ivesia lycopodioides A.Gray, Ivesia muirii A.Gray, Ivesia paniculata T.W.Nelson & J.P.Nelson, Ivesia patellifera (J.T.Howell) Ertter, Ivesia pickeringii Torr., Ivesia pityocharis Ertter, Ivesia pygmaea A.Gray, Ivesia rhypara Ertter & Reveal, Ivesia sabulosa (M.E.Jones) D.D.Keck, Ivesia sericoleuca (Rydb.) Rydb., Ivesia setosa (S.Watson) Rydb., Ivesia shockleyi S.Watson, Ivesia tweedyi Rydb., Ivesia unguiculata A.Gray, Ivesia utahensis S.Watson, Ivesia webberi A.Gray, Iwatsukiella leucotricha (Mitt.) W.R.Buck & H.A.Crum, Jacaranda mimosifolia D.Don, Jacquemontia agrestis (C.Mart. ex Choisy) Meisn., Jacquemontia curtissii Peter ex Small, Jacquemontia havanensis (Jacq.) Urb., Jacquemontia pentanthos (Jacq.) G.Don, Jacquemontia pringlei A.Gray, Jacquemontia reclinata House ex Small, Jacquinia keyensis Mez, Jaffueliobryum raui (Austin) Thér., Jaffueliobryum wrightii (Sull.) Thér., Jaltomata procumbens (Cav.) J.L.Gentry, Jamesia americana Torr. & A.Gray, Jamesia americana var. macrocalyx (Small) Engl., Jamesia tetrapetala N.H.Holmgren & P.K.Holmgren, Jamesianthus alabamensis S.F.Blake & Sherff, Jatropha cardiophylla (Torr.) Müll.Arg., Jatropha cinerea (Ortega) Müll.Arg., Jatropha macrorhiza Benth., Jaumea carnosa (Less.) A.Gray, Jeffersonia diphylla (L.) Pers., Jepsonia heterandra Eastw., Jepsonia malvifolia (Greene) Small, Johanneshowellia crateriorum Reveal, Johanneshowellia puberula (S.Watson) Reveal, Joinvillea ascendens Gaudich. ex Brongn. & Gris, Jubula pennsylvanica (Steph.) A.Evans, Juglans californica S.Watson, Juglans cinerea L., Juglans jamaicensis C.DC., Juglans microcarpa Berl., Juglans nigra L., Juncus abortivus Chapm., Juncus acuminatus Michx., Juncus albescens (Lange) Fernald, Juncus alpinoarticulatus Chaix, Juncus L., Juncus articulatus L., Juncus balticus Willd., Juncus biflorus Elliott, Juncus biglumis L., Juncus brachycarpus Engelm., Juncus brachycephalus (Engelm.) Buchenau, Juncus brachyphyllus Wiegand, Juncus brevicaudatus (Engelm.) Fernald, Juncus breweri Engelm., Juncus bryoides F.J.Herm., Juncus bufonius L., Juncus bulbosus L., Juncus caesariensis Coville, Juncus canadensis J.Gay, Juncus capillaris F.J.Herm., Juncus castaneus Sm., Juncus chlorocephalus Engelm., Juncus confusus Coville, Juncus cooperi Engelm., Juncus coriaceus Mack., Juncus covillei Piper, Juncus debilis A.Gray, Juncus dichotomus Elliott, Juncus diffusissimus Buckley, Juncus drummondii E.Mey., Juncus dudleyi Wiegand, Juncus duranii Ewan, Juncus effusus L., Juncus elliottii Chapm., Juncus ensifolius Wikstr., Juncus filiformis L., Juncus filipendulus Buckley, Juncus georgianus Coville ex Small, Juncus gerardi, Juncus greenei Oakes & Tuck., Juncus gymnocarpus Coville, Juncus hallii Engelm., Juncus hemiendytus F.J.Herm., Juncus howellii F.J.Herm., Juncus interior Wiegand, Juncus kelloggii Engelm., Juncus leiospermus F.J.Herm., Juncus lesueurii Bol., Juncus longii Fernald, Juncus longistylis Torr., Juncus luciensis Ertter, Juncus macrandrus Coville, Juncus macrophyllus Coville, Juncus marginatus Rostk., Juncus megacephalus M.A.Curtis, Juncus mertensianus Bong., Juncus mexicanus Willd. ex Schult. & Schult.fil., Juncus militaris Bigelow, Juncus nevadensis S.Watson, Juncus nodatus Coville, Juncus nodosus L., Juncus orthophyllus Coville, Juncus oxymeris Engelm., Juncus parryi Engelm., Juncus patens E.Mey., Juncus pelocarpus E.Mey., Juncus phaeocephalus Engelm., Juncus polycephalus Michx., Juncus regelii Buchenau, Juncus repens Michx., Juncus scirpoides Lam., Juncus secundus P.Beauv. ex Poir., Juncus stygius L., Juncus subcaudatus (Engelm.) Coville & S.F.Blake, Juncus subtilis E.Mey., Juncus supiniformis Engelm., Juncus tenuis Willd., Juncus tiehmii Ertter, Juncus torreyi Coville, Juncus trifidus L., Juncus triformis Engelm., Juncus triglumis L., Juncus triglumis var. albescens Lange, Juncus trigonocarpus Steud., Juncus uncialis Greene, Juncus validus Coville, Juncus vaseyi Engelm., Jungermannia atrovirens Dumort., Jungermannia borealis Damsh. & Váňa, Jungermannia exsertifolia Steph., Jungermannia polaris Lindb., Jungermannia pumila With., Juniperus ashei J.T.Buchholz, Juniperus californica Carrière, Juniperus communis L., Juniperus flaccida Schltdl., Juniperus horizontalis Moench, Juniperus monosperma (Engelm.) Sarg., Juniperus scopulorum Sarg., Justicia americana (L.) Vahl, Justicia angusta (Chapm.) Small, Justicia candicans (Nees) L.D.Benson, Justicia cooleyi Monach. & Leonard, Justicia crassifolia (Chapm.) Small, Justicia ovata (Walter) Lindau, Justicia runyonii Small, Justicia warnockii B.L.Turner, Justicia wrightii A.Gray, Kallstroemia californica (S.Watson) Vail, Kallstroemia parviflora Norton, Kallstroemia perennans B.L.Turner, Kalmia angustifolia L., Kalmia buxifolia (Bergius) Gift & Kron, Kalmia carolina Small, Kalmia cuneata Michx., Kalmia hirsuta Walter, Kalmia latifolia L., Kalmia microphylla (Hook.) A.Heller, Kalmia polifolia Wangenh., Kalmia procumbens (L.) Gift, Kron & P.F.Stevens, Kalmiopsis leachiana (L.F.Hend.) Rehder, Kanaloa kahoolawensis Lorence & K.R.Wood, Keckiella lemmonii (A.Gray) Straw, Kelloggia galioides Torr., Kelseya uniflora (S.Watson) Rydb., Keysseria erici (C.N.Forbes) Cabrera, Keysseria helenae (C.N.Forbes & Lydgate) Cabrera, Kiaeria blyttii (Bruch & Schimp.) Broth., Kiaeria falcata (Hedw.) I.Hagen, Kiaeria glacialis (Berggr.) I.Hagen, Kiaeria starkei (F.Weber & D.Mohr) I.Hagen, Kobresia myosuroides (Vill.) Fiori, Kobresia sibirica (Turcz.) Boeckeler, Kobresia simpliciuscula (Wahlenb.) Mack., Kochia americana S.Watson, Kochia californica S.Watson, Koeleria asiatica Domin, Koeleria macrantha (Ledeb.) Schult., Koenigia islandica L., Kokia cookei O.Deg., Kokia drynarioides (Seem.) Lewton, Kokia kauaiensis (Rock) O.Deg. & I.Deg., Korthalsella complanata (Tiegh.) Engl., Korthalsella cylindrica (Tiegh.) Engl., Korthalsella degeneri Danser, Korthalsella latissima (Tiegh.) Danser, Korthalsella platycaula (Bertero ex Tiegh.) Engl., Korthalsella remyana Tiegh., Kosteletzkya depressa (L.) O.J.Blanch., Fryxell & D.M.Bates, Kosteletzkya virginica Linnaeus, 1753, Krameria erecta Willd. ex Schult., Krameria grayi Rose & J.H.Painter, Krameria lanceolata Torr., Krascheninnikovia lanata (Pursh) A.Meeuse & Smit, Krigia biflora (Walter) S.F.Blake, Krigia cespitosa (Raf.) K.L.Chambers, Krigia dandelion (L.) Nutt., Krigia montana (Michx.) Nutt., Krigia occidentalis Nutt., Krigia virginica (L.) Willd., Krigia wrightii (A.Gray) K.L.Chambers ex K.J.Kim, Krugiodendron ferreum (Vahl) Urb., Kumlienia cooleyae (Vasey & Rose) Greene, Kumlienia hystricula (A.Gray) Greene, Kurzia makinoana (Steph.) Grolle, Kurzia pauciflora (Dicks.) Grolle, Kurzia sylvatica (A.Evans) Grolle, Kurzia trichoclados (Müll.Frib.) Grolle, Kyllinga Rottb., Kyllinga Rottb., Labordia cyrtandrae (Baill.) H.St.John, Labordia degeneri Sherff, Labordia fagraeoidea Gaudich., Labordia hedyosmifolia Baill., Labordia helleri Sherff, Labordia hirtella H.Mann, Labordia hosakana (Sherff) W.L.Wagner, D.R.Herbst & Sohmer, Labordia kaalae C.N.Forbes, Labordia lydgatei C.N.Forbes, Labordia pumila (Hillebr.) Skottsb., Labordia sessilis A.Gray, Labordia tinifolia A.Gray, Labordia triflora Hillebr., Labordia venosa Sherff, Labordia waialealae Wawra, Labordia waiolani Wawra, Lachnanthes caroliana (Lam.) Dandy, Lachnocaulon anceps (Walter) Morong, Lachnocaulon beyrichianum Sporl. ex Körn., Lachnocaulon digynum Körn., Lachnocaulon engleri Ruhland, Lachnocaulon minus (Chapm.) Small, Lactuca biennis (Moench) Fernald, Lactuca canadensis L., Lactuca floridana (L.) Gaertn., Lactuca graminifolia Michx., Lactuca hirsuta Muhl. ex Nutt., Lactuca ludoviciana (Nutt.) Riddell, Laennecia coulteri (A.Gray) G.L.Nesom, Laennecia eriophylla (A.Gray) G.L.Nesom, Laennecia filaginoides DC., Laennecia sophiifolia (Kunth) G.L.Nesom, Laennecia turnerorum G.L.Nesom, Lagenifera maviensis H.Mann, Lagophylla dichotoma Benth., Lagophylla ramosissima Nutt., Laguncularia racemosa (L.) C.F.Gaertn., Langloisia setosissima (Torr. & A.Gray) Greene, Lantana achyranthifolia Desf., Lantana canescens Kunth, Lantana depressa Small, Laportea canadensis (L.) Wedd., Lappula cenchrusoides A.Nelson, Larix laricina (Du Roi) K.Koch, Larix occidentalis Nutt., Lasthenia burkei (Greene) Greene, Lasthenia chrysantha (Greene ex A.Gray) Greene, Lasthenia conjugens Greene, Lasthenia debilis (Greene ex A.Gray) Ornduff, Lasthenia ferrisiae Ornduff, Lasthenia glaberrima DC., Lasthenia leptalea (A.Gray) Ornduff, Lasthenia macrantha (A.Gray) Greene, Lasthenia maritima (A.Gray) M.C.Vasey & Madroño., Lasthenia minor (DC.) Ornduff, Lasthenia platycarpha (A.Gray) Greene, Lathyrus biflorus T.W.Nelson & J.P.Nelson, Lathyrus bijugatus T.G.White, Lathyrus delnorticus C.L.Hitchc., Lathyrus eucosmus Butters & H.St.John, Lathyrus glandulosus Broich, Lathyrus grimesii Barneby, Lathyrus hitchcockianus Barneby & Reveal, Lathyrus holochlorus (Piper) C.L.Hitchc., Lathyrus japonicus Willd., Lathyrus laetivirens Greene ex Rydb., Lathyrus lanszwertii Kellogg, Lathyrus lanszwertii var. lanszwertii, Lathyrus littoralis (Nutt.) Endl. ex Walp., Lathyrus ochroleucus Hook., Lathyrus palustris L., Lathyrus L., Lathyrus pusillus Elliott, Lathyrus rigidus T.G.White, Lathyrus splendens Kellogg, Lathyrus torreyi A.Gray, Lathyrus venosus Muhl. ex Willd., Lavatera assurgentiflora Kellogg, Layia carnosa (Nutt.) Torr. & A.Gray, Layia discoidea D.D.Keck, Layia heterotricha (DC.) Hook. & Arn., Layia hieracioides (DC.) Hook. & Arn., Layia jonesii A.Gray, Layia leucopappa D.D.Keck, Layia munzii D.D.Keck, Layia pentachaeta A.Gray, Layia septentrionalis D.D.Keck, Leavenworthia alabamica Rollins, Leavenworthia aurea Torr., Leavenworthia crassa Rollins, Leavenworthia exigua Rollins, Leavenworthia texana Mahler, Leavenworthia torulosa A.Gray, Leavenworthia uniflora (Michx.) Britton, Lechea cernua Small, Lechea deckertii Small, Lechea divaricata Shuttlew. ex Britton, Lechea intermedia Legg. ex Britton & Hollick, Lechea maritima Legg. ex Britton, Lechea mensalis Hodgdon, Lechea minor L., Lechea mucronata Raf., Lechea pulchella Raf., Lechea racemulosa Lam., Lechea san-sabeana (Buckley) Hodgdon, Lechea stricta Legg. ex Britton, Lechea tenuifolia Michx., Ledum glandulosum Nutt., Ledum groenlandicum Oeder, Ledum Ruppius ex L., Leersia hexandra Sw., Leersia lenticularis Michx., Leersia monandra Sw., Leersia oryzoides (L.) Sw., Leersia virginica Willd., Legenere limosa (Greene) McVaugh, Leitneria floridana Chapm., Leitneria pilosa J.A.Schrad. & W.R.Graves, Lejeunea alaskana (R.M.Schust. & Steere) Inoue & Steere, Lejeunea aphanes Spruce, Lejeunea bermudiana (A.Evans) R.M.Schust., Lejeunea blomquistii R.M.Schust., Lejeunea calcicola R.M.Schust., Lejeunea cancellata Nees & Mont., Lejeunea cavifolia (Ehrh.) Lindb., Lejeunea cladogyna A.Evans, Lejeunea deplanata Nees, Lejeunea floridana A.Evans, Lejeunea laetivirens Nees & Mont., Lejeunea lamacerina (Steph.) Schiffn., Lejeunea ruthii (A.Evans) R.M.Schust., Lejeunea sharpii (R.M.Schust.) R.M.Schust., Lejeunea spiniloba Lindenb. & Gottsche, Lembertia congdonii (A.Gray) Greene, Lemna aequinoctialis Welw., Lemna gibba L., Lemna minor L., Lemna minuta Kunth, Lemna obscura (Austin) Daubs, Lemna perpusilla Torr., Lemna trisulca L., Lemna turionifera Landolt, Lemna valdiviana Phil., Lenophyllum texanum (Donn.Sm.) Rose, Lepanthes caritensis Tremblay & Ackerman, Lepanthes dodiana Stimson, Lepanthes eltoroensis Stimson, Lepanthopsis melanantha (Rchb.f.) Ames, Lepechinia cardiophylla Epling, Lepechinia fragrans (Greene) Epling, Lepechinia ganderi Epling, Lepechinia hastata (A.Gray) Epling, Lepidium arbuscula Hillebr., Lepidium barnebyanum Reveal, Lepidium bidentatum Montin, Lepidium crenatum (Greene) Rydb., Lepidium davisii Rollins, Lepidium dictyotum A.Gray, Lepidium fremontii S.Watson, Lepidium huberi S.L.Welsh & Goodrich, Lepidium integrifolium Nutt., Lepidium integrifolium var. heterophyllum S.Watson, Lepidium integrifolium var. integrifolium, Lepidium jaredii Brandegee, Lepidium montanum var. alpinum S.Watson, Lepidium montanum var. claronense S.L.Welsh, Lepidium montanum var. neeseae S.L.Welsh & Reveal, Lepidium montanum var. stellae S.L.Welsh & Reveal, Lepidium nanum S.Watson, Lepidium ostleri S.L.Welsh & Goodrich, Lepidium oxycarpum Torr. & A.Gray, Lepidium papilliferum (L.F.Hend.) A.Nelson & J.F.Macbr., Lepidium paysonii Rollins, Lepidium serra H.Mann, Lepidium virginicum L., Lepidospartum burgessii B.L.Turner, Lepidospartum latisquamum S.Watson, Lepidozia filamentosa (Lehm. & Lindenb.) Lehm. & Lindenb., Lepidozia reptans (L.) Dumort., Lepidozia sandvicensis Lindenb., Lepisorus thunbergianus (Kaulf.) Ching, Leptarrhena pyrolifolia (D.Don) R.Br. ex Ser., Leptobryum pyriforme (Hedw.) Wilson, Leptocereus grantianus Britton, Leptochloa dubia (Kunth) Nees, Leptochloa fusca Linnaeus, 1753, Leptochloa mucronata (Michx.) Kunth, Leptochloa nealleyi Vasey, Leptochloa panicoides (J.Presl) Hitchc., Leptochloa virgata (L.) P.Beauv., Leptochloa viscida (Scribn.) Beal, Leptodactylon caespitosum Nutt., Leptodactylon glabrum R.Patt. & Yoder-Will., Leptodactylon jaegeri (Munz) Wherry, Leptodactylon pungens subsp. hazeliae (Peck) Meinke, Leptodactylon watsonii (A.Gray) Rydb., Leptodictyum riparium (Bryhn) Podpe, Leptodon smithii (Dicks. ex Hedw.) F.Weber & D.Mohr, Leptodontium flexifolium (Dicks.) Hampe, Leptogramma burksiorum (J.E.Watkins & Farrar) Y.H.Chang & L.Y.Kuo, Leptohymenium sharpii (H.A.Crum & L.E.Anderson) W.R.Buck & H.A.Crum, Leptopterigynandrum austro-alpinum C.Müller, 1897, Leptostomopsis systylium (Müll.Hal.) J.R.Spence & H.P.Ramsay, Lepturus repens (G.Forst.) R.Br., Lepuropetalon spathulatum (Muhl.) Elliott, Lescuraea saxicola (Schimp.) Molendo, Leskea australis Sharp, Leskea gracilescens Hedw., Leskea obscura Hedw., Leskea polycarpa Hedw., Leskeella nervosa (Brid.) Loeske, Lespedeza angustifolia (Pursh) Elliott, Lespedeza capitata Michx., Lespedeza frutescens Linnaeus, 1753, Lespedeza hirta (L.) Hornem., Lespedeza leptostachya Engelm. ex A.Gray, Lespedeza procumbens Michx., Lespedeza repens (L.) W.P.C.Barton, Lespedeza stuevei Nutt., Lespedeza violacea Pers., Lespedeza virginica (L.) Britton, Lespedeza ×manniana Mack. & Bush, Lespedeza ×nuttallii Darl., Lespedeza ×simulata Mack. & Bush, Lesquerella alpina (Nutt.) S.Watson, Lesquerella angustifolia (Nutt.) S.Watson, Lesquerella arctica (Wormsk. ex Hornem.) S.Watson, Lesquerella arenosa Rydb., Lesquerella arizonica S.Watson, Lesquerella aurea Wooton, Lesquerella auriculata (Engelm. & A.Gray) S.Watson, Lesquerella calcicola Rollins, Lesquerella calderi G.A.Mulligan & A.E.Porsild, Lesquerella carinata Rollins, Lesquerella carinata var. carinata, Lesquerella cinerea S.Watson, Lesquerella condensata A.Nelson, Lesquerella congesta Rollins, Lesquerella cordiformis (Rollins) Rollins & E.A.Shaw, Lesquerella densipila Rollins, Lesquerella engelmannii (A.Gray) S.Watson, Lesquerella fendleri (A.Gray) S.Watson, Lesquerella filiformis Rollins, Lesquerella fremontii Rollins & E.A.Shaw, Lesquerella garrettii Payson, Lesquerella globosa (Desv.) S.Watson, Lesquerella gooddingii Rollins & E.A.Shaw, Lesquerella goodrichii Rollins, Lesquerella gordonii (A.Gray) S.Watson, Lesquerella gracilis (Hook.) S.Watson, Lesquerella hemiphysaria var. lucens S.L.Welsh & Reveal, Lesquerella hitchcockii Munz, Lesquerella humilis Rollins, Lesquerella intermedia (S.Watson) A.Heller, Lesquerella kaibabensis Rollins, Lesquerella kingii (S.Watson) S.Watson, Lesquerella klausii Rollins, Lesquerella lata Wooton & Standl., Lesquerella lescurii (A.Gray) S.Watson, Lesquerella lesicii Rollins, Lesquerella ludoviciana (Nutt.) S.Watson, Lesquerella lyrata Rollins, Lesquerella macrocarpa A.Nelson, Lesquerella mcvaughiana Rollins, Lesquerella montana (A.Gray) S.Watson, Lesquerella multiceps Maguire, Lesquerella obdeltata Rollins, Lesquerella occidentalis S.Watson, Lesquerella pallida (Torr. & A.Gray) S.Watson, Lesquerella parviflora Rollins, Lesquerella parvula Greene, Lesquerella paysonii Rollins, Lesquerella pendula Rollins, Lesquerella perforata Rollins, Lesquerella pinetorum Wooton & Standl., Lesquerella prostrata A.Nelson, Lesquerella pruinosa Greene, Lesquerella stonensis Rollins, Lesquerella subumbellata Rollins, Lesquerella tenella A.Nelson, Lesquerella thamnophila Rollins & E.A.Shaw, Lesquerella utahensis Rydb., Lesquerella valida Greene, Lesquerella vicina J.L.Anderson, Reveal & Rollins, Lessingia arachnoidea Greene, Lessingia germanorum Cham., Lessingia hololeuca Greene, Lessingia lemmonii A.Gray, Lessingia leptoclada A.Gray, Lessingia micradenia Greene, Lessingia nana A.Gray, Lessingia ramulosa A.Gray, Lessingia virgata A.Gray, Leucanthemum integrifolium (Richardson) DC., Leucobryum albidum (Brid. ex P.Beauv.) Lindb., Leucobryum glaucum (Hedw.) Ångstr., Leucocrinum montanum Nutt. ex A.Gray, Leucodon andrewsianus (H.A.Crum & L.E.Anderson) W.D.Reese & L.E.Anderson, Leucodon brachypus Brid., Leucodon julaceus (Hedw.) Sull., Leucolepis acanthoneura (Schwägr.) Lindb., Leucophysalis grandiflora (Hook.) Rydb., Leucospora multifida (Michx.) Nutt., Leucosyris arida (B.L.Turner & D.B.Horne) Pruski & R.L.Hartm., Leucosyris blepharophylla (A.Gray) Pruski & R.L.Hartm., Leucosyris carnosa (A.Gray) Pruski & R.L.Hartm., Leucosyris matturneri (B.L.Turner & G.L.Nesom) Pruski & R.L.Hartm., Leucosyris riparia (Kunth) Pruski & R.L.Hartm., Leucothoe axillaris (Lam.) D.Don, Leucothoe davisiae Torr. ex A.Gray, Leucothoe fontanesiana (Steud.) Sleumer, Leucothoe racemosa Linnaeus, 1753, Leucothoe recurva (Buckley) A.Gray, Lewisia brachycalyx Engelm. ex A.Gray, Lewisia cantelovii Howell, Lewisia columbiana (Howell ex A.Gray) B.L.Rob., Lewisia congdonii (Rydb.) S.Clay, Lewisia disepala Rydb., Lewisia kelloggii K.Brandegee, Lewisia leeana (Porter) B.L.Rob., Lewisia longipetala (Piper) Clay, Lewisia maguirei A.H.Holmgren, Lewisia oppositifolia (S.Watson) B.L.Rob., Lewisia pygmaea (A.Gray) B.L.Rob., Lewisia rediviva Pursh, Lewisia sacajaweana B.L.Wilson, Lewisia serrata Heckard & Stebbins, Lewisia stebbinsii Gankin & W.R.Hildreth, Lewisia triphylla (S.Watson) B.L.Rob., Leymus cinereus (Scribn. & Merr.) Á.Löve, Leymus condensatus (J.Presl) Á.Löve, Leymus flavescens (Scribn. & J.G.Sm.) Pilg., Leymus innovatus (Beal) Pilg., Leymus mollis (Trin.) Pilg., Leymus pacificus (Gould) D.R.Dewey, Leymus salina (M.E.Jones) Á.Löve, Leymus simplex (Scribn. & T.A.Williams) D.R.Dewey, Leymus triticoides (Buckley) Pilg., Leymus ×vancouverensis (Macoun ex Vasey) Pilg., Liatris aspera Michx., Liatris bracteata Gaiser, Liatris chapmanii Torr. & A.Gray, Liatris cokeri Pyne & Stucky, Liatris cylindracea Michx., Liatris cymosa (Nessel) K.Schum., Liatris garberi A.Gray, Liatris glandulosa G.L.Nesom & O'Kennon, Liatris gracilis Pursh, Liatris helleri (Porter) Porter, Liatris lancifolia (Greene) Kittel, Liatris ligulistylis (A.Nelson) K.Schum., Liatris microcephala (Small) K.Schum., Liatris mucronata Torr. & A.Gray, 1842, Liatris ohlingerae (S.F.Blake) B.L.Rob., Liatris patens G.L.Nesom & Kral, Liatris pauciflora Pursh, Liatris pilosa (Aiton) Willd., Liatris provincialis R.K.Godfrey, Liatris punctata Hook., Liatris pycnostachya Michx., Liatris scariosa (L.) Willd., Liatris secunda Elliott, Liatris spicata (L.) Willd., Liatris squarrosa (L.) Michx., Liatris squarrulosa Michx., Liatris tenuis Shinners, Liatris turgida Gaiser, Liatris virgata Nutt., Liatris ×ridgwayi Standl., Licania michauxii Prance, Licaria triandra (Sw.) Kosterm., Ligusticum calderi Mathias & Constance, Ligusticum californicum J.M.Coult. & Rose, Ligusticum canadense (L.) Britton, Ligusticum canbyi (J.M.Coult. & Rose) J.M.Coult. & Rose, Ligusticum filicinum S.Watson, Ligusticum grayi J.M.Coult. & Rose, Ligusticum porteri J.M.Coult. & Rose, Ligusticum scoticum L., Ligusticum tenuifolium S.Watson, Ligusticum verticillatum (Geyer) J.M.Coult. & Rose ex Rose, Lilaea scilloides (Poir.) Hauman, Lilaeopsis carolinensis J.M.Coult. & Rose, Lilaeopsis chinensis (L.) Kuntze, Lilaeopsis masonii Mathias & Constance, Lilaeopsis schaffneriana (Schltdl.) J.M.Coult. & Rose, Lilium bolanderi S.Watson, Lilium canadense L., Lilium catesbaei Walter, Lilium columbianum Leichtlin, Lilium grayi S.Watson, Lilium humboldtii Bull., 1871, Lilium iridollae M.G.Henry, Lilium kelloggii Purdy, Lilium maritimum Kellogg, Lilium michauxii Poir., Lilium michiganense Farw., Lilium occidentale Purdy, Lilium parryi S.Watson, Lilium philadelphicum L., Lilium pyrophilum M.W.Skinner & Sorrie, Lilium rubescens S.Watson, Lilium superbum L., Limbella fryei (R.S.Williams) Ochyra, Limnanthes bakeri Howell, Limnanthes douglasii R.Br., Limnanthes macounii Trel., Limnanthes montana Jeps., Limnanthes vinculans Ornduff, Limnobium spongia (Bosc) Steud., Limnodea arkansana (Nutt.) L.H.Dewey, Limnosciadium pinnatum (Nutt. ex DC.) Mathias & Constance, Limonium californicum (Boiss.) A.Heller, Limonium carolinianum (Walter) Britton, Limonium limbatum Small, Limosella acaulis Sessé & Moc., Limosella aquatica L., Limosella australis R.Br., Limosella pubiflora Pennell, Linanthus acicularis Greene, Linanthus arenicola (M.E.Jones) Jeps. & V.L.Bailey, Linanthus aureus (Nutt.) Greene, Linanthus bellus (A.Gray) Greene, Linanthus bernardinus N.S.Fraga & D.S.Bell, Linanthus bigelovii (A.Gray) Greene, Linanthus bolanderi (A.Gray) Greene, Linanthus breviculus (A.Gray) Greene, Linanthus campanulatus (A.Gray) J.M.Porter & L.A.Johnson, Linanthus concinnus Milliken, Linanthus demissus (A.Gray) Greene, Linanthus dichotomus Benth., Linanthus filiformis (Parry ex A.Gray) J.M.Porter & L.A.Johnson, Linanthus grandiflorus (Benth.) Greene, Linanthus harknessii (Curran) Greene, Linanthus inyoensis (I.M.Johnst.) J.M.Porter & L.A.Johnson, Linanthus jepsonii Schemske & Goodw., Linanthus jonesii (A.Gray) Greene, Linanthus killipii H.Mason, Linanthus liniflorus (Benth.) Greene, Linanthus maculatus (Parish) Milliken, Linanthus nudatus Greene, Linanthus nuttallii (A.Gray) Greene ex Milliken, Linanthus orcuttii (Parry & A.Gray) Jeps., Linanthus pachyphyllus R.Patt., Linanthus septentrionalis H.Mason, Linanthus serrulatus Milliken, Linanthus watsonii (A.Gray) Wherry, Lindbergia brachyptera (Mitt.) Kindb., Lindera benzoin (L.) Meisn., Lindera melissifolia (Walter) Blume, Lindera subcoriacea Wofford, Lindernia dubia (L.) Pennell, Lindernia monticola Muhl. ex Nutt., Lindheimera texana A.Gray, Lindsaea repens (Bory) Bedd., Linnaea borealis L., Linum alatum (Small) H.J.P.Winkl., Linum allredii Sivinski & M.O.Howard, Linum arenicola (Small) H.J.P.Winkl., Linum aristatum Engelm., Linum australe A.Heller, Linum carteri Small, Linum compactum A.Nelson, Linum floridanum (Planch.) Trel., Linum hudsonioides Planch., Linum imbricatum (Raf.) Shinners, Linum intercursum E.P.Bicknell, Linum kingii S.Watson, Linum lewisii Pursh, Linum lundellii C.M.Rogers, Linum macrocarpum C.M.Rogers, Linum medium (Planch.) Britton ex Britton & A.Brown, Linum pratense (Norton) Small, Linum puberulum (Engelm.) Heller, Linum rigidum Pursh, Linum striatum Walter, Linum sulcatum Riddell, Linum virginianum L., Linum westii C.M.Rogers, Liochlaena lanceolata Nees, Liparis hawaiensis H.Mann, Liparis liliifolia (L.) Rich. ex Lindl., Liparis loeselii (L.) Rich., Liparis nervosa (Thunb.) Lindl., Lipocarpha aristulata (Coville) G.C.Tucker, Lipocarpha drummondii (Nees) G.C.Tucker, Lipocarpha maculata (Michx.) Torr., Lipocarpha micrantha (Vahl) G.C.Tucker, Lipocarpha occidentalis (A.Gray) G.C.Tucker, Lipochaeta connata (Gaudich.) DC., Lipochaeta fauriei H.Lév., Lipochaeta heterophylla A.Gray, Lipochaeta integrifolia (Nutt.) A.Gray, Lipochaeta kamolensis O.Deg. & Sherff, Lipochaeta lavarum (Gaudich.) DC., Lipochaeta lobata (Gaudich.) DC., Lipochaeta micrantha (Nutt.) A.Gray, Lipochaeta remyi A.Gray, Lipochaeta rockii Sherff, Lipochaeta subcordata A.Gray, Lipochaeta succulenta (Hook. & Arn.) DC., Lipochaeta tenuifolia A.Gray, Lipochaeta tenuis O.Deg. & Sherff, Lipochaeta venosa Sherff, Lipochaeta waimeaensis H.St.John, Liquidambar styraciflua L., Liriodendron tulipifera L., Listera auriculata Wiegand, Listera australis Lindl., Listera borealis Morong, Listera caurina Piper, Listera convallarioides (Sw.) Nutt., Listera cordata (L.) R.Br., Listera smallii Wiegand, Lithophragma cymbalaria Torr. & A.Gray, Lithophragma glabrum Nutt. ex Torr. & A.Gray, Lithophragma maxima Bacig., Lithophragma parviflorum (Hook.) Nutt. ex Torr. & A.Gray, Lithophragma tenellum Nutt., Lithospermum calycosum (J.F.Macbr.) I.M.Johnst., Lithospermum canescens (Michx.) Lehm., Lithospermum caroliniense (J.F.Gmel.) Mac Mill., Lithospermum cobrense Greene, Lithospermum confine I.M.Johnst., Lithospermum decipiens (J.R.Allison) Weakley, Lithospermum incisum Lehm., Lithospermum latifolium Michx., Lithospermum parksii I.M.Johnst., Lithospermum ruderale Douglas ex Lehm., Lithospermum tuberosum Rugel ex A.DC., Lithospermum viride Greene, Lithrea molleoides (Vell.) Engl., Litsea aestivalis (L.) Fernald, Littorella uniflora (L.) Asch., Lloydia serotina Linnaeus, 1753, Lobaria scrobiculata (Scop.) P.Gaertn., Lobelia amoena Michx., Lobelia apalachicolensis D.D.Spauld., Barger & H.E.Horne, Lobelia appendiculata A.DC., Lobelia Plum. ex L., Lobelia boykinii Torr. & Gray ex A.DC., Lobelia canbyi A.Gray, Lobelia cardinalis L., Lobelia dortmanna L., Lobelia dunbariae Rock, Lobelia dunnii Greene, Lobelia elongata Small, Lobelia fenestralis Cav., Lobelia flaccidifolia Small, Lobelia gaudichaudii A.DC., Lobelia glandulosa Walter, Lobelia gloria-montis Rock, Lobelia grayana E.Wimm., Lobelia hillebrandii Rock, Lobelia homophylla E.Wimm., Lobelia hypoleuca Hillebr., Lobelia inflata L., Lobelia kalmii L., Lobelia ×kauaensis (A.Gray) A.Heller, Lobelia laxiflora Kunth, Lobelia monostachya (Rock) Lammers, Lobelia niihauensis H.St.John, Lobelia nuttallii Schult., Lobelia oahuensis Rock, Lobelia puberula Michx., Lobelia siphilitica L., Lobelia spicata Lam., Lobelia villosa (Rock) H.St.John & Hosaka, Lobelia yuccoides Hillebr., Loeflingia squarrosa Nutt. ex Torr. & A.Gray, Loeselia glandulosa (Cav.) G.Don, Loeselia greggii S.Watson, Loeseliastrum (Brand) Timbrook, Loeseliastrum schottii (Torr.) Timbrook, Loeskeobryum brevirostre (Brid.) M.Fleisch., Loeskypnum badium (Hartm.) H.K.G.Paul, Loeskypnum wickesiae (Grout) Tuom., Lomariopsis kunzeana (C.Presl ex Underw.) Holttum, Lomatium ambiguum (Nutt.) J.M.Coult. & Rose, Lomatium attenuatum Evert, Lomatium austiniae (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium bentonitum K.M.Carlson & Mansfield, Lomatium bicolor (S.Watson) J.M.Coult. & Rose, Lomatium bicolor var. bicolor, Lomatium bicolor var. leptocarpum (Nutt. ex Torr. & A.Gray) Schlessman, Lomatium bradshawii (Rose ex Mathias) Mathias & Constance, Lomatium brandegeei (J.M.Coult. & Rose) J.F.Macbr., Lomatium canbyi (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium caruifolium (Hook. & Arn.) J.M.Coult. & Rose, Lomatium ciliolatum Jeps., Lomatium concinnum (Osterh.) Mathias, Lomatium congdonii J.M.Coult. & Rose, Lomatium cookii Kagan, Lomatium cous (S.Watson) J.M.Coult. & Rose, Lomatium cuspidatum (J.M.Coult. & Rose) Mathias & Constance, Lomatium dissectum (Nutt. ex Torr. & A.Gray) Mathias & Constance, Lomatium eastwoodiae (J.M.Coult. & Rose) J.F.Macbr., Lomatium engelmannii Mathias, Lomatium erythrocarpum Meinke & Constance, Lomatium foeniculaceum (Nutt.) J.M.Coult. & Rose, Lomatium geyeri (S.Watson) J.M.Coult. & Rose, Lomatium graveolens (S.Watson) Dorn & R.L.Hartm., Lomatium grayi (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium greenmanii Mathias, Lomatium hendersonii (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium hooveri (Mathias & Constance) Constance & B.Ertter, Lomatium insulare (Eastw.) Munz, Lomatium junceum Barneby & N.H.Holmgren, Lomatium juniperinum (M.E.Jones) J.M.Coult. & Rose, Lomatium knokei Darrach, Lomatium laevigatum (Nutt.) J.M.Coult. & Rose, Lomatium latilobum (Rydb.) Mathias, Lomatium lucidum (Nutt.) Jeps., Lomatium macrocarpum (Hook. & Arn.) J.M.Coult. & Rose, Lomatium martindalei (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium minimum (Mathias) Mathias, Lomatium nudicaule (Nutt.) J.M.Coult. & Rose, Lomatium nuttallii (A.Gray) J.F.Macbr., Lomatium observatorium Constance & B.Ertter, Lomatium orientale J.M.Coult. & Rose, Lomatium packardiae Cronquist, Lomatium parryi (S.Watson) J.F.Macbr., Lomatium parvifolium (Hook. & Arn.) Jeps., Lomatium peckianum Mathias & Constance, Lomatium quintuplex Schlessman & Constance, Lomatium ravenii Mathias & Constance, Lomatium repostum (Jeps.) Mathias, Lomatium rigidum (M.E.Jones) Jeps., Lomatium rollinsii Mathias & Constance, Lomatium roseanum Cronquist, Lomatium salmoniflorum (J.M.Coult. & Rose) Mathias & Constance, Lomatium sandbergii (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium scabrum (J.M.Coult. & Rose) Mathias, Lomatium scabrum var. tripinnatum Goodrich, Lomatium serpentinum (M.E.Jones) Mathias, Lomatium shevockii R.L.Hartm. & Constance, Lomatium stebbinsii Schlessman & Constance, Lomatium suksdorfii (S.Watson) J.M.Coult. & Rose, Lomatium thompsonii (Mathias) Cronquist, Lomatium torreyi (J.M.Coult. & Rose) J.M.Coult. & Rose, Lomatium triternatum (Pursh) J.M.Coult. & Rose, Lomatium tuberosum Hoover, Lomatium watsonii J.M.Coult. & Rose, Lomatogonium rotatum (L.) Fr. ex Fernald, Lonicera arizonica Rehder, Lonicera caerulea L., Lonicera canadensis Bartram ex Marshall, Lonicera dioica L., Lonicera flava Sims, Lonicera hirsuta Eaton, Lonicera involucrata (Richards.) Banks ex Spreng., Lonicera oblongifolia (Goldie) Hook., Lonicera reticulata Raf., Lonicera utahensis S.Watson, Lonicera villosa (Michx.) Roem. & Schult., Lophiola aurea Ker Gawl., Lophochaete fryei (Perss.) R.M.Schust., Lophochlaena oregona (Chase) But, Lophocolea appalachiana R.M.Schust., Lophocolea bidentata (L.) Dumort., Lophocolea coadunata (Sw.) Mont., Lophocolea heterophylla (Schrad.) Dumort., Lophocolea minor Nees, Lophocolea muricata (Lehm.) Nees, Lophophora williamsii (Lem. ex Salm-Dyck) J.M.Coult., Lophozia (Dumort.) Dumort., Lophozia ascendens (Warnst.) R.M.Schust., Lophozia murmanica Kaal., Lophozia schusteriana Schljakov, Lophozia silvicola H.Buch, Lophozia ventricosa (Dicks.) Dumort., Lophozia wenzelii (Nees) Steph., Lophoziopsis excisa (Dicks.) Konstant. & Vilnet, Lophoziopsis longidens (Lindb.) Konstant. & Vilnet, Lophoziopsis pellucida (R.M.Schust.) Konstant. & Vilnet, Lophoziopsis polaris (R.M.Schust.) Konstant. & Vilnet, Lophoziopsis propagulifera (Gottsche) Konstant. & Vilnet, Lophoziopsis rubrigemma (R.M.Schust.) Konstant. & Vilnet, Lorentziella imbricata (Mitt.) Broth., Lotus alamosanus Rose, Lotus denticulatus Greene, Lotus formosissimus Greene, Lotus haydonii (Orcutt) Greene, Lotus humistratus Greene, Lotus L., Lotus L., Lotus nuttallianus Greene, Lotus pinnatus Hook., Lotus procumbens (Greene) Greene, Lotus rigidus (Benth.) Greene, Lotus rubriflorus H.Sharsm., Lotus stipularis (Benth.) Greene, Lotus unifoliolatus (Hook.) Benth., Lotus wrightii (A.Gray) Greene, Lotus yollabolliensis Munz, Ludwigia alata Elliott, Ludwigia alternifolia L., Ludwigia arcuata Walter, Ludwigia bonariensis (Micheli) H.Hara, Ludwigia brevipes (B.H.Long) Eames, Ludwigia curtissii Chapm., Ludwigia decurrens Walter, Ludwigia glandulosa Walter, Ludwigia grandiflora (Michx.) Greuter & Burdet, Ludwigia hirtella Raf., Ludwigia lanceolata Elliott, Ludwigia leptocarpa (Nutt.) H.Hara, Ludwigia linearis Walter, Ludwigia linifolia Poir., Ludwigia maritima R.M.Harper, Ludwigia microcarpa Michx., Ludwigia octovalvis (Jacq.) P.H.Raven, Ludwigia palustris (L.) Elliott, Ludwigia peploides (Kunth) P.H.Raven, Ludwigia pilosa Walter, Ludwigia polycarpa Short & R.Peter ex Torr. & A.Gray, Ludwigia ravenii C.I Peng, Ludwigia repens J.R.Forst., Ludwigia spathulata Torr. & A.Gray, Ludwigia sphaerocarpa Elliott, Ludwigia suffruticosa Walter, Ludwigia virgata Michx., Luina serpentina Cronquist, Luisierella barbula (Schwägr.) Steere, Lupinus abramsii C.P.Sm., Lupinus alpicola L.F.Hend., 1906, Lupinus ammophilus Greene, Lupinus amphibius Suksd., Lupinus andersonii S.Watson, Lupinus angustiflorus Eastw., Lupinus antoninus Eastw., Lupinus apertus A.Heller, Lupinus arboreus Sims, Lupinus arbustus Douglas, Lupinus argenteus Pursh, Lupinus argenteus var. montigenus (A.Heller) Barneby, Lupinus aridus Douglas, Lupinus bakeri Greene, Lupinus barbiger S.Watson, Lupinus bingenensis Suksd., Lupinus brevior (Jeps.) J.A.Christian & D.B.Dunn, Lupinus breweri A.Gray, Lupinus caudatus Kellogg, Lupinus cervinus Kellogg, Lupinus chamissonis Eschsch., Lupinus citrinus Kellogg, Lupinus concinnus J.Agardh, Lupinus congdonii (C.P.Sm.) D.B.Dunn, Lupinus constancei T.W.Nelson & J.P.Nelson, Lupinus crassus Payson, Lupinus croceus Eastw., Lupinus culbertsonii Greene, Lupinus cusickii S.Watson, Lupinus dalesiae Eastw., Lupinus densiflorus Benth., Lupinus depressus Rydb., Lupinus diffusus Nutt., Lupinus duranii Eastw., Lupinus elmeri Greene, Lupinus eximius Davy, Lupinus fissicalyx A.Heller, Lupinus flavoculatus A.Heller, Lupinus fulcratus Greene, Lupinus garfieldensis C.P.Sm., Lupinus gormanii Piper, Lupinus gracilentus Greene, Lupinus guadalupensis Greene, Lupinus hillii Greene, Lupinus holmgrenianus C.P.Sm., Lupinus horizontalis A.Heller, Lupinus huachucanus M.E.Jones, Lupinus hyacinthinus Greene, Lupinus jonesii Rydb., Lupinus kingii S.Watson, Lupinus kuschei Eastw., Lupinus latifolius Lindl. ex J.Agardh, Lupinus lemmonii C.P.Sm., Lupinus lepidus Douglas ex Lindl., Lupinus leucophyllus Douglas ex Lindl., Lupinus longifolius (S.Watson) Abrams, Lupinus ludovicianus Greene, Lupinus lutescens C.P.Sm., Lupinus maculatus Rydb., Lupinus magnificus M.E.Jones, Lupinus malacophyllus Greene, Lupinus minimus Douglas, Lupinus mollis A.Heller, Lupinus monticola Rydb., Lupinus neomexicanus Greene, Lupinus nevadensis A.Heller, Lupinus nipomensis Eastw., Lupinus nootkatensis Donn ex Sims, Lupinus obtusilobus A.Heller, Lupinus odoratus A.Heller, Lupinus oreganus A.Heller, Lupinus ornatus Douglas ex Lindl., Lupinus pachylobus Greene, Lupinus padre-crowleyi C.P.Sm., Lupinus pallidus Brandegee, Lupinus parviflorus Nutt. ex Hook. & Arn., Lupinus peirsonii H.Mason, Lupinus perennis L., Lupinus plattensis S.Watson, Lupinus pratensis A.Heller, Lupinus prunophilus M.E.Jones, Lupinus punto-reyesensis C.P.Sm., Lupinus pusillus Pursh, Lupinus pusillus var. intermontanus (A.Heller) C.P.Sm., Lupinus rivularis Douglas ex Lindl., Lupinus roseolus Rydb., Lupinus sabinianus Douglas ex Lindl., Lupinus sericatus Kellogg, Lupinus sericeus Pursh, Lupinus sierrae-blancae Wooton & Standl., Lupinus sparsiflorus Benth., Lupinus spectabilis Hoover, Lupinus sublanatus Eastw., Lupinus suksdorfii B.L.Rob., Lupinus sulphureus Douglas, Lupinus texensis Hook., Lupinus tidestromii Greene, Lupinus tracyi Eastw., Lupinus uncialis S.Watson, Lupinus villosus Willd., Lupinus volutans Greene, Lupinus westianus Small, Lupinus wyethii S.Watson, Luziola bahiensis (Steud.) Hitchc., Luziola fluitans (Michx.) Terrell & H.Rob., Luzula acuminata Raf., Luzula arctica Blytt, Luzula arcuata (Wahlenb.) Sw., Luzula bulbosa (Alph.Wood) Smyth & L.C.R.Smyth, Luzula comosa E.Mey., Luzula confusa Lindeb., Luzula echinata (Small) F.J.Herm., Luzula glabrata var. hitchcockii (Hämet-Ahti) Dorn, Luzula groenlandica Böcher, Luzula hawaiiensis Buchenau, Luzula multiflora (Ehrh.) Lej., Luzula orestera Sharsm., Luzula parviflora (Ehrh.) Desv., Luzula piperi (Coville) M.E.Jones, Luzula rufescens Fisch. ex E.Mey., Luzula spicata (L.) DC., Luzula subcapitata (Rydb.) H.D.Harr., Luzula wahlenbergii Rupr., Lychnis alpina L., Lycium californicum Nutt. ex A.Gray, Lycium carolinianum Walter, Lycium cooperi A.Gray, Lycium exsertum A.Gray, Lycium fremontii A.Gray, Lycium hassei Greene, Lycium parishii A.Gray, Lycium puberulum A.Gray, Lycium richii A.Gray, Lycium sandwicense A.Gray, Lycium texanum Correll, Lycium torreyi A.Gray, Lycopodiella alopecuroides (L.) Cranfill, Lycopodiella appressa (Chapm.) Cranfill, Lycopodiella caroliniana (L.) Pic.Serm., Lycopodiella cernua Linnaeus, 1753, Lycopodiella inundata (L.) Holub, Lycopodiella margueritiae J.G.Bruce, W.H.Wagner & Beitel, Lycopodiella prostrata (R.M.Harper) Cranfill, Lycopodiella subappressa J.G.Bruce, W.H.Wagner & Beitel, Lycopodiella ×brucei Cranfill, Lycopodiella ×copelandii (Eiger) Cranfill, Lycopodium annotinum L., Lycopodium clavatum L., Lycopodium L., Lycopodium dendroideum Michx., Lycopodium digitatum Dill. ex A.Braun, Lycopodium hickeyi W.H.Wagner, Beitel & R.C.Moran, Lycopodium lagopus (Laest. ex C.Hartm.) Zinserl. ex Kuzen., Lycopodium obscurum L., Lycopodium ×sabinifolium Willd., Lycopodium sitchense Rupr., Lycopodium venustulum Gaudich., Lycopodium ×habereri House, Lycopus americanus Muhl. ex W.P.C.Barton, Lycopus amplectens Raf., Lycopus angustifolius Elliott, Lycopus asper Greene, Lycopus cokeri H.E.Ahles ex Sorrie, Lycopus laurentianus Roll.-Germ., Lycopus rubellus Moench, Lycopus uniflorus Michx., Lycopus virginicus L., Lycurus phleoides Kunth, Lyellia aspera (I.Hagen & C.E.O.Jensen) Frye, Lygodesmia arizonica Tomb, Lygodesmia dianthopsis (Eaton ex King) Tomb, Lygodesmia doloresensis Tomb, Lygodesmia entrada S.L.Welsh & Goodrich, Lygodesmia grandiflora (Nutt.) Torr. & A.Gray, Lygodesmia juncea (Pursh) D.Don ex Hook., Lygodium palmatum (Bernh.) Sw., Lyonia ferruginea (Walter) Nutt., Lyonia ligustrina (L.) DC., Lyonia lucida (Lam.) C.Koch, Lyonia mariana (L.) D.Don, Lyonothamnus floribundus A.Gray, Lysiloma watsonii Rose, Lysimachia asperulifolia Poir., Lysimachia ciliata L., Lysimachia daphnoides (A.Gray) Hillebr., Lysimachia filifolia C.N.Forbes & Lydgate, Lysimachia fraseri Duby, Lysimachia glutinosa Rock, Lysimachia graminea (Greene) Hand.-Mazz., Lysimachia hillebrandii Hook.fil. ex A.Gray, Lysimachia hybrida Michx., Lysimachia iniki K.L.Marr, Lysimachia kalalauensis Skottsb., Lysimachia lanceolata Walter, Lysimachia lewisii D.Estes, J.T.Shaw & Maus.-Moon., Lysimachia loomisii Torr., Lysimachia lydgatei Hillebr., Lysimachia mauritiana Lam., Lysimachia maxima (R.Knuth) H.St.John, Lysimachia ovoidea H.St.John, Lysimachia pendens K.L.Marr, Lysimachia quadriflora Sims, Lysimachia quadrifolia L., Lysimachia radicans Hook., Lysimachia remyi Hillebr., Lysimachia scopulensis K.L.Marr, Lysimachia terrestris (L.) Britton, Sterns & Poggenb., Lysimachia thyrsiflora L., Lysimachia tonsa (Alph.Wood) R.Knuth, Lysimachia venosa (Wawra) H.St.John, Lysimachia waianaeensis H.St.John, Lysimachia ×producta (A.Gray) Fernald, Lythrum alatum Pursh, Lythrum californicum Torr. & A.Gray, Lythrum curtissii Fernald, Lythrum flagellare Shuttlew. ex Nieuwl., Lythrum lineare L., Lythrum ovalifolium Engelm. ex A.Gray, Mabrya acerifolia (Pennell) Elisens, Macbridea alba Chapm., Macbridea caroliniana (Walter) S.F.Blake, Machaeranthera bigelovii (A.Gray) Greene, Machaeranthera blephariphylla (A.Gray) Shinners, Machaeranthera canescens (Pursh) A.Gray, Machaeranthera coloradoensis (A.Gray) Osterh., Machaeranthera gracilis (Nutt.) Shinners, Machaeranthera grindelioides (Nutt.) Shinners, Machaeranthera heterocarpa R.L.Hartm. & M.A.Lane, Machaeranthera laetevirens Greene, Machaeranthera pinnatifida (Hook.) Shinners, Machaeranthera tanacetifolia (Kunth) Nees, Machaerina angustifolia (Gaudich.) T.Koyama, Machaerina mariscoides (Gaudich.) J.Kern, Macranthera flammea (W.Bartram) Pennell, Macromitrium richardii Schwägr., Macroptilium gibbosifolium (Ortega) A.Delgado, Macrosiphonia brachysiphon (Torr.) A.Gray, Madia anomala Greene, Madia citrigracilis D.D.Keck, Madia doris-nilesiae T.W.Nelson & J.P.Nelson, Madia glomerata Hook., Madia gracilis (Sm.) D.D.Keck & J.C.Clausen ex Applegate, Madia hallii D.D.Keck, Madia minima (A.Gray) D.D.Keck, Madia nutans (Greene) D.D.Keck, Madia radiata Kellogg, Madia rammii Greene, Madia stebbinsii T.W.Nelson & J.P.Nelson, Madia subspicata D.D.Keck, Madia yosemitana Parry ex A.Gray, Magnolia acuminata (L.) L., Magnolia ashei Weath., Magnolia fraseri Walter, Magnolia grandiflora L., Magnolia macrophylla Michx., Magnolia pyramidata W.Bartram, Magnolia splendens Urb., Magnolia tripetala (L.) L., Magnolia virginiana L., Mahonia swaseyi (Buckley) Fedde, Maianthemum canadense Desf., Maianthemum dilatatum (Alph.Wood) A.Nelson & J.F.Macbr., Maianthemum racemosum (L.) Link, Maianthemum stellatum (L.) Link, Maianthemum trifolium (L.) Sloboda, Malacothamnus abbottii (Eastw.) Kearney, Malacothamnus aboriginum (B.L.Rob.) Greene, Malacothamnus clementinus (Munz & I.M.Johnst.) Kearney, Malacothamnus davidsonii (B.L.Rob.) Greene, Malacothamnus densiflorus (S.Watson) Greene, Malacothamnus hallii (Eastw.) Kearney, Malacothamnus marrubioides (Durand & Hilg.) Greene, Malacothamnus orbiculatus (Greene) Greene, Malacothamnus palmeri (S.Watson) Greene, Malacothrix clevelandii A.Gray, Malacothrix coulteri Harv. & A.Gray ex A.Gray, Malacothrix fendleri A.Gray, Malacothrix foliosa A.Gray ex Lyon, Malacothrix glabrata (D.C.Eaton ex A.Gray) A.Gray, Malacothrix incana (Nutt.) Torr. & A.Gray, Malacothrix indecora Greene, Malacothrix junakii W.S.Davis, Malacothrix phaeocarpa W.S.Davis, Malacothrix similis W.S.Davis & P.H.Raven, Malacothrix sonchoides (Nutt.) Torr. & A.Gray, Malacothrix sonorae W.S.Davis & P.H.Raven, Malacothrix squalida Greene, Malacothrix stebbinsii W.S.Davis & P.H.Raven, Malacothrix torreyi A.Gray, Malaxis bayardii Fernald, Malaxis brachypoda (A.Gray) Fernald, Malaxis corymbosa (S.Watson) Kuntze, Malaxis monophyllos (L.) Sw., Malaxis paludosa (L.) Sw., Malaxis porphyrea (Ridl.) Kuntze, Malaxis spicata Sw., Malaxis Sol. ex Sw., Malaxis unifolia Michx., Malaxis wendtii Salazar, Malperia tenuis S.Watson, Malus angustifolia (Aiton) Michx., Malus coronaria (L.) Mill., Malus glaucescens Britton & N.E.Br., Malus ioensis (Alph.Wood) Britton, Malvastrum bicuspidatum (S.Watson) Rose, Malvastrum hispidum (Pursh) Hochr., Malvella leprosa (Ortega) Krapov., Mammillaria dioica K.Brandegee, Mammillaria grahamii Engelm., Mammillaria lasiacantha Engelm., Mammillaria mainiae K.Brandegee, Mammillaria prolifera (Mill.) Haw., Mammillaria tetrancistra Engelm., Mammillaria viridiflora (Britton & Rose) Boed., Mammillaria wrightii Engelm., Manfreda longiflora (Rose) Verh.-Will., Manfreda sileri Verh.-Will., Manfreda virginica (L.) Salisb. ex Rose, Manihot davisiae Croizat, Manihot subspicata D.J.Rogers & Appan, Manihot walkerae Croizat, Manilkara jaimiqui (C.Wright ex Griseb.) Dubard, Mannia californica (Gottsche) L.C.Wheeler, Mannia fragrans (Balb.) Frye & L.Clark, Mannia gracilis (F.Weber) D.B.Schill & D.G.Long, Mannia pilosa (Hornem.) Frye & L.Clark, Mannia sibirica (Müll.Frib.) Frye & L.Clark, Mannia triandra (Scop.) Grolle, Marah fabacea (Naudin) Greene, Marah gilensis (Greene) Greene, Marah oregana (Torr. & A.Gray) Howell, Marah watsonii (Cogn.) Greene, Marattia douglasii (C.Presl) Baker, Marchantia paleacea Bertol., Marchantia polymorpha L., Marchantia quadrata Scop., Marchantia romanica (Radian) D.G.Long, Crand.-Stotl., L.L.Forrest & J.C.Villarreal, Margaranthus solanaceus Schltdl., Marina calycosa (A.Gray) Barneby, Marina diffusa (Moric.) Barneby, Marina orcuttii (S.Watson) Barneby, Marlierea sintenisii Kiaersk., Marshallia legrandii Weakley, Marshallia mohrii Beadle & F.E.Boynton, Marshallia obovata (Walter) Beadle & F.E.Boynton, Marshallia pulchra W.M.Knapp, D.B.Poind. & Weakley, Marshallia ramosa Beadle & F.E.Boynton, Marshallia trinervia (Walter) Trel., Marsilea mollis B.L.Rob. & Fernald, Marsilea oligospora Goodd., Marsilea vestita Hook. & Grev., Marsilea villosa Kaulf., Marsupella apiculata Schiffn., Marsupella aquatica (Lindenb.) Schiffn., Marsupella arctica (Berggr.) Bryhn & Kaal., Marsupella boeckii (Austin) Lindb. ex Kaal., Marsupella bolanderi (Austin) Underw., Marsupella condensata (Ångstr. ex C.Hartm.) Lindb. ex Kaal., Marsupella emarginata (Ehrh.) Dumort., Marsupella funckii (F.Weber & D.Mohr) Dumort., Marsupella paroica R.M.Schust., Marsupella sparsifolia (Lindb.) Dumort., Marsupella sphacelata (Giesecke ex Lindenb.) Dumort., Marsupella sprucei (Limpr.) Bernet, Mastigophora woodsii (Hook.) Nees, Matelea alabamensis (Vail) Woodson, Matelea baldwyniana (Sweet) Woodson, Matelea brevicoronata (B.L.Rob.) Woodson, Matelea carolinensis (Jacq.) Woodson, Matelea cordifolia (A.Gray) Woodson, Matelea cynanchoides (Engelm.) Woodson, Matelea decipiens (Alexander) Woodson, Matelea edwardsensis Correll, Matelea flavidula (Chapm.) Woodson, Matelea floridana (Vail) Woodson, Matelea hirtelliflora Mc Donnell & Fishbein, Matelea obliqua (Jacq.) Woodson, Matelea parvifolia (Torr.) Woodson, Matelea pubiflora (Decne.) Woodson, Matelea radiata Correll, Matelea sagittifolia (A.Gray) Woodson ex Shinners, Matelea texensis Correll, Matteuccia struthiopteris (L.) Tod., Maurandella antirrhiniflora (Humb. & Bonpl. ex Willd.) Rothm., Maxillaria crassifolia (Lindl.) Rchb.f., Maxillaria parviflora (Poepp. & Endl.) Garay, Mayaca fluviatilis Aubl., Maytenus phyllanthoides Benth., Mecardonia acuminata (Walter) Small, Meconella denticulata Greene, Meconella oregana Nutt. ex Torr. & A.Gray, Medeola virginiana L., Meehania cordata (Nutt.) Britton, Meesia longiseta Hedw., Meesia triquetra (L. ex Jolycl.) Ångstr., Meesia uliginosa Hedw., Megaceros aenigmaticus R.M.Schust., Megalodonta beckii (Torr. ex Spreng.) Greene, Meiotrichum lyallii (Mitt.) G.L.Merr., Melampodium longicorne A.Gray, Melampyrum lineare Desr., Melanthera ligulata Small, Melanthera nivea (L.) Small, Melanthera parvifolia Small, Melanthium latifolium Desr., Melanthium parviflorum (Michx.) S.Watson, Melanthium virginicum Walter, 1788, Melanthium woodii (J.W.Robbins ex Alph.Wood) Bodkin, Melica bulbosa Porter & J.M.Coult., Melica fugax Bol., Melica montezumae Piper, Melica mutica Walter, Melica nitens (Scribn.) Nutt. ex Piper, Melica porteri Scribn., Melica smithii (Porter ex A.Gray) Vasey, Melica spectabilis Scribn., Melica stricta Bol., Melica subulata (Griseb.) Scribn., Melicope adscendens (H.St.John & Hume) T.G.Hartley & B.C.Stone, Melicope anisata (H.Mann) T.G.Hartley & B.C.Stone, Melicope balloui (Rock) T.G.Hartley & B.C.Stone, Melicope barbigera A.Gray, Melicope christophersenii (H.St.John) T.G.Hartley & B.C.Stone, Melicope cinerea A.Gray, Melicope clusiifolia (A.Gray) T.G.Hartley & B.C.Stone, Melicope cruciata (A.Heller) T.G.Hartley & B.C.Stone, Melicope degeneri (B.C.Stone) T.G.Hartley & B.C.Stone, Melicope elliptica A.Gray, Melicope feddei (H.Lév.) T.G.Hartley & B.C.Stone, Melicope haleakalae (B.C.Stone) T.G.Hartley & B.C.Stone, Melicope haupuensis (H.St.John) T.G.Hartley & B.C.Stone, Melicope hawaiensis (Wawra) T.G.Hartley & B.C.Stone, Melicope hiiakae (B.C.Stone) T.G.Hartley & B.C.Stone, Melicope hosakae (H.St.John) W.L.Wagner & R.K.Shannon, Melicope kaalaensis (H.St.John) T.G.Hartley & B.C.Stone, Melicope kavaiensis (H.Mann) T.G.Hartley & B.C.Stone, Melicope knudsenii (Hillebr.) T.G.Hartley & B.C.Stone, Melicope lydgatei (Hillebr.) T.G.Hartley & B.C.Stone, Melicope makahae (B.C.Stone) T.G.Hartley & B.C.Stone, Melicope mauii T.G.Hartley & B.C.Stone, Melicope molokaiensis (Hillebr.) T.G.Hartley & B.C.Stone, Melicope mucronulata (H.St.John) T.G.Hartley & B.C.Stone, Melicope munroi (H.St.John) T.G.Hartley & B.C.Stone, Melicope oahuensis (H.Lév.) T.G.Hartley & B.C.Stone, Melicope orbicularis (Hillebr.) T.G.Hartley & B.C.Stone, Melicope ovalis (H.St.John) T.G.Hartley & B.C.Stone, Melicope ovata (H.St.John & Hume) T.G.Hartley & B.C.Stone, Melicope pallida (Hillebr.) T.G.Hartley & B.C.Stone, Melicope paniculata (H.St.John) T.G.Hartley & B.C.Stone, Melicope peduncularis (H.Lév.) T.G.Hartley & B.C.Stone, Melicope pseudoanisata (Rock) T.G.Hartley & B.C.Stone, Melicope puberula (H.St.John) T.G.Hartley & B.C.Stone, Melicope quadrangularis (H.St.John & Hume) T.G.Hartley & B.C.Stone, Melicope radiata (H.St.John) T.G.Hartley & B.C.Stone, Melicope reflexa (H.St.John) T.G.Hartley & B.C.Stone, Melicope rotundifolia (A.Gray) T.G.Hartley & B.C.Stone, Melicope saint-johnii (E.P.Hume) T.G.Hartley & B.C.Stone, Melicope sandwicensis (Hook. & Arn.) T.G.Hartley & B.C.Stone, Melicope volcanica (A.Gray) T.G.Hartley & B.C.Stone, Melicope waialealae (Wawra) T.G.Hartley & B.C.Stone, Melicope wawraeana (Rock) T.G.Hartley & B.C.Stone, Melicope zahlbruckneri (Rock) T.G.Hartley & B.C.Stone, Melothria pendula L., Menispermum canadense L., Menodora scabra Engelm. ex A.Gray, Menodora spinescens A.Gray, Mentha arvensis L., Mentzelia albicaulis (Douglas ex Hook.) Douglas ex Torr. & A.Gray, Mentzelia argillicola N.H.Holmgren & P.K.Holmgren, Mentzelia argillosa J.Darl., Mentzelia californica H.J.Thomps. & J.E.Roberts, Mentzelia candelariae H.J.Thomps. & Prigge, Mentzelia chrysantha Engelm., Mentzelia congesta (Nutt.) Torr. & A.Gray, Mentzelia conspicua Todsen, Mentzelia crocea Kellogg, Mentzelia cronquistii H.J.Thomps. & Prigge, Mentzelia decapetala (Pursh) Urb. & Gilg, Mentzelia densa Greene, Mentzelia desertorum (Davidson) H.J.Thomps. & J.E.Roberts, Mentzelia dispersa S.Watson, Mentzelia eremophila (Jeps.) H.J.Thomps. & J.E.Roberts, Mentzelia flumensevera (N.H.Holmgren & P.K.Holmgren) J.J.Schenk & L.Hufford, Mentzelia goodrichii Thorne & S.L.Welsh, Mentzelia gracilenta (Nutt.) Torr. & A.Gray, Mentzelia hirsutissima S.Watson, Mentzelia humilis (Rydb.) J.Darl., Mentzelia involucrata S.Watson, Mentzelia jonesii (Urb. & Gilg) H.J.Thomps. & Roberts, Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray, Mentzelia leucophylla Brandegee, Mentzelia librina (K.H.Thorne & F.J.Sm.) J.J.Schenk & L.Hufford, Mentzelia lindheimeri Urb. & Gilg, Mentzelia longiloba J.Darl., Mentzelia marginata (Osterh.) H.J.Thomps. & Prigge, Mentzelia memorabilis N.H.Holmgren & P.K.Holmgren, Mentzelia mexicana H.J.Thomps. & Zavort., Mentzelia mollis M.Peck, Mentzelia montana (A.Davidson) A.Davidson, Mentzelia multicaulis (Osterh.) J.Darl., Mentzelia multicaulis var. multicaulis, Mentzelia multiflora (Nutt.) A.Gray, Mentzelia nitens Greene, Mentzelia nuda (Pursh) Torr. & A.Gray, Mentzelia obscura H.J.Thomps. & J.E.Roberts, Mentzelia oligosperma Nutt. ex Sims, Mentzelia oreophila J.Darl., Mentzelia pachyrhiza I.M.Johnst., Mentzelia packardiae Glad, Mentzelia polita A.Nelson, Mentzelia pterosperma Eastw., Mentzelia puberula J.Darl., Mentzelia pumila Torr. & A.Gray, Mentzelia reflexa Coville, Mentzelia reverchonii (Urb. & Gilg) H.J.Thomps. & Zavort., Mentzelia rhizomata Reveal, Mentzelia rusbyi Wooton, Mentzelia saxicola H.J.Thomps. & Zavort., Mentzelia shultziorum Prigge, Mentzelia sinuata (Rydb.) R.J.Hill, Mentzelia sivinskii J.J.Schenk & L.Hufford, Mentzelia speciosa Osterh., Mentzelia springeri (Standl.) Tidestr., Mentzelia thompsonii Glad, Mentzelia tiehmii N.H.Holmgren & P.K.Holmgren, Mentzelia todiltoensis N.D.Atwood & S.L.Welsh, Mentzelia torreyi A.Gray, Mentzelia tricuspis A.Gray, Mentzelia tridentata (Davidson) H.J.Thomps. & J.E.Roberts, Mentzelia uintahensis (N.H.Holmgren & P.K.Holmgren) J.J.Schenk & L.Hufford, Menyanthes trifoliata L., Menziesia ferruginea Sm., Menziesia pilosa (Michx. ex Lam.) Juss., Mertensia alpina (Torr.) G.Don, Mertensia arizonica Greene, Mertensia bella Piper, Mertensia brevistyla S.Watson, Mertensia ciliata (James ex Torr.) G.Don, Mertensia cusickii Piper, Mertensia drummondii (Lehm.) G.Don, Mertensia fusiformis Greene, Mertensia humilis Rydb., Mertensia lanceolata (Pursh) A.DC., Mertensia longiflora Greene, Mertensia macdougalii A.Heller, Mertensia maritima (L.) Gray, Mertensia oblongifolia var. oblongifolia, Mertensia paniculata (Aiton) G.Don, Mertensia platyphylla A.Heller, Mertensia umbratilis Greenm., Mertensia virginica (L.) Pers. ex Link, Mesadenus lucayanus (Britton) Schltr., Mesoptychia badensis (Gottsche ex Rabenh.) L.Söderstr. & Váňa, Mesoptychia bantriensis (Hook.) L.Söderstr. & Váňa, Mesoptychia collaris (Nees) L.Söderstr. & Váňa, Mesoptychia gillmanii (Austin) L.Söderstr. & Váňa, Mesoptychia heterocolpos (Thed. ex Hartm.) L.Söderstr. & Váňa, Mesoptychia rutheana (Limpr.) L.Söderstr. & Váňa, Mesoptychia sahlbergii (Lindb. & Arnell) A.Evans, Mespilus ×canescens J.B.Phipps, Metopium toxiferum (L.) Krug & Urb., Metrosideros macropus Hook. & Arn., Metrosideros rugosa A.Gray, Metrosideros tremuloides (A.Heller) Rock, Metrosideros waialealae (Rock) Rock, Metzgeria conjugata Lindb., Metzgeria consanguinea Schiffn., Metzgeria crassipilis (Lindb.) A.Evans, Metzgeria furcata (L.) Corda, Metzgeria leptoneura Spruce, Metzgeria myriopoda Lindb., Metzgeria pubescens (Schrank) Raddi, Metzgeria setigera R.M.Schust. ex Crand.-Stotl. & L.Söderstr., Metzgeria uncigera A.Evans, Metzgeria violacea (Ach.) Dumort., Micranthemum glomeratum (Chapm.) Shinners, Micranthemum umbrosum (J.F.Gmel.) S.F.Blake, Micranthes apetala (Piper) Small, Micranthes bryophora (A.Gray) Brouillet & Gornall, Micranthes careyana (A.Gray) Small, Micranthes caroliniana (A.Gray) Small, Micranthes ferruginea (Graham) Brouillet & Gornall, Micranthes foliolosa (R.Br.) Gornall, Micranthes gaspensis (Fernald) Small, Micranthes gormanii (Suksd.) Brouillet & Gornall, Micranthes hieracifolia (Waldst. & Kit.) Haw., Micranthes hitchcockiana (Elvander) Brouillet & Gornall, Micranthes howellii (Greene) Small, Micranthes lyallii (Engl.) Small, Micranthes marshallii (Greene) Small, Micranthes micranthidifolia (Haw.) Small, Micranthes nelsoniana (D.Don) Small, Micranthes nidifica (Greene) Small, Micranthes nivalis (L.) Small, Micranthes nudicaulis (D.Don) Gornall & H.Ohba, Micranthes occidentalis (S.Watson) Small, Micranthes odontoloma (Piper) A.Heller, Micranthes pensylvanica (L.) Haw., Micranthes petiolaris (Raf.) Brouillet & Gornall, Micranthes razshivinii (Zhmylev) Brouillet & Gornall, Micranthes reflexa (Hook.) Small, Micranthes spicata (D.Don) Small, Micranthes stellaris (L.) Galasso, Banfi & Soldano, Micranthes subapetala (E.Nelson) Small, Micranthes tempestiva (Elvander & Denton) Brouillet & Gornall, Micranthes tenuis (Wahlenb.) Small, Micranthes texana (Buckley) Small, Micranthes tischii (Skelly) Brouillet & Gornall, Micranthes tolmiei (Torr. & A.Gray) Brouillet & Gornall, Micranthes virginiensis (Michx.) Small, Microbryum davallianum (Sm.) R.H.Zander, Microbryum floerkeanum (F.Weber & D.Mohr) Schimp., Microbryum vlassovii (Laz.) R.H.Zander, Microchloa kunthii Desv., Microgramma heterophylla (L.) Wherry, Microlejeunea epiphylla Bischl., Microlejeunea globosa (Spruce) Steph., Microlejeunea ulicina (Taylor) Steph., Microlepia mauiensis W.H.Wagner, Microlepia speluncae (L.) T.Moore, Micromitrium megalosporum Austin, Micromitrium synoicum (James) Austin, Micromitrium tenerum (Bruch & Schimp.) Crosby, Micromitrium wrightii (Müll.Hal.) Crosby, Micropus amphibolus A.Gray, Microseris bigelovii (A.Gray) Sch.Bip., Microseris borealis (Bong.) Sch.Bip., Microseris howellii A.Gray, Microseris lindleyi (DC.) A.Gray, Microseris nutans (Hook.) Sch.Bip., Microseris paludosa (Greene) Howell, Microsorum spectrum (Kaulf.) Copel., Microthelys rubrocalosa (B.L.Rob. & Greenm.) Garay, Mielichhoferia elongata (Hoppe & Hornsch. ex Hook.) Hornsch., Mielichhoferia mielichhoferiana (Funck) Loeske, Mielichhoferia shevockii (A.J.Shaw) A.J.Shaw, Mikania cordifolia (L.fil.) Willd., Mikania pachyphylla Urb., Mikania scandens (L.) Willd., Milium effusum L., Milla biflora Cav., Mimetanthe pilosa (Benth.) Greene, Mimosa borealis A.Gray, Mimosa grahamii A.Gray, Mimosa laxiflora Benth., Mimosa malacophylla A.Gray, Mimosa strigillosa Torr. & A.Gray, Mimulus L., Mimulus alatus Sol., Mimulus alsinoides Douglas ex Benth., Mimulus ampliatus A.L.Grant, Mimulus angustatus (A.Gray) Curran, Mimulus L., Mimulus arenarius A.L.Grant, Mimulus bigelovii (Gray) Gray, Mimulus biolettii Eastw., Mimulus bolanderi A.Gray, Mimulus brachiatus Pennell, Mimulus breviflorus Piper, Mimulus breweri (Greene) Coville, Mimulus cardinalis Douglas ex Benth., Mimulus cleistogamus Howell, Mimulus clivicola Greenm., Mimulus congdonii B.L.Rob., Mimulus L., Mimulus dentilobus B.L.Rob. & Fernald, Mimulus douglasii (Benth.) Gray, Mimulus dudleyi A.L.Grant, Mimulus eastwoodiae Rydb., Mimulus evanescens Meinke, Mimulus exiguus A.Gray, Mimulus filicaulis S.Watson, Mimulus gemmiparus W.A.Weber, Mimulus L., Mimulus glaucescens Greene, Mimulus gracilipes Rob., Mimulus grayi A.L.Grant, Mimulus L., Mimulus hymenophyllus Meinke, Mimulus jepsonii A.L.Grant, Mimulus jungermannioides Suksd., Mimulus kelloggii (Curran ex Greene) Curran ex A.Gray, Mimulus latidens (A.Gray) Greene, Mimulus latifolius A.Gray, Mimulus leptaleus A.Gray, Mimulus lewisii Pursh, Mimulus mohavensis Lemmon, Mimulus moschatus Douglas ex Lindl., Mimulus L., Mimulus norrisii Heckard & Shevock, Mimulus ovatus (A.Gray) N.H.Holmgren, Mimulus L., Mimulus parryi A.Gray, Mimulus patulus Pennell, Mimulus pictus (Curran ex Greene) Gray, Mimulus platycalyx Pennell, Mimulus platylaemus Pennell, Mimulus primuloides Benth., Mimulus pulchellus (Drew ex Greene) A.L.Grant, Mimulus pulsiferae A.Gray, Mimulus purpureus A.L.Grant, Mimulus pygmaeus A.L.Grant, Mimulus ringens L., Mimulus rubellus A.Gray, Mimulus shevockii Heckard & Bacig., Mimulus spissus A.L.Grant, Mimulus subsecundus Gray, Mimulus tilingii Regel, Mimulus tricolor Hartw. ex Lindl., Mimulus verbenaceus Greene, Mimulus whitneyi Gray, Minuartia arctica (Steven ex Ser.) Asch. & Graebn., Minuartia austromontana S.J.Wolf & Packer, Minuartia biflora Linnaeus, 1753, Minuartia caroliniana (Walter) Mattf., Minuartia cismontana Meinke & Zika, Minuartia cumberlandensis (Wofford & R.Kral) McNeill, Minuartia dawsonensis (Britton) House, Minuartia decumbens T.W.Nelson & J.P.Nelson, Minuartia drummondii (Shinners) McNeill, Minuartia elegans (Cham. & Schltdl.) Schischk., Minuartia filiorum (Maguire) McNeill, Minuartia glabra (Michx.) Mattf., Minuartia godfreyi (Shinners) McNeill, Minuartia groenlandica (Retz.) Ostenf., Minuartia howellii (S.Watson) Mattf., Minuartia macrantha (Rydb.) House, Minuartia macrocarpa (Pursh) Ostenf., Minuartia marcescens (Fernald) House, Minuartia michauxii Mattf., 1921, Minuartia muscorum (Fassett) Rabeler, Minuartia Linnaeus, 1753, Minuartia obtusiloba (Rydb.) House, Minuartia patula (Michx.) Mattf., Minuartia Linnaeus, 1753, Minuartia rosei (Maguire & Barneby) McNeill, Minuartia rossii (R.Br. ex Richardson) Graebn., Minuartia rubella Graebn., Minuartia stolonifera T.W.Nelson & J.P.Nelson, Minuartia stricta (Sw.) Hiern, Minuartia uniflora (Walter) Mattf., Minuartia yukonensis Hultén, Mirabilis albida (Walter) Heimerl, Mirabilis alipes (S.Watson) Pilz, Mirabilis carletonii (Standl.) Standl., Mirabilis ciliata F.Meigen, 1893, Mirabilis coccinea (Torr.) Benth. & Hook.fil., Mirabilis decipiens (Standl.) Standl., Mirabilis exaltata (Standl.) Standl., Mirabilis gigantea (Standl.) Shinners, Mirabilis greenei S.Watson, Mirabilis hirsuta (Pursh) Mac Mill., Mirabilis linearis (Pursh) Heimerl, Mirabilis macfarlanei Constance & Rollins, Mirabilis nyctaginea (Michx.) Mac Mill., Mirabilis oxybaphoides (A.Gray) A.Gray, Mirabilis pudica Barneby, Mirabilis pumila (Standl.) Standl., Mirabilis rotundifolia (Greene) Standl., Mitchella repens L., Mitella breweri A.Gray, Mitella caulescens Nutt., Mitella diphylla L., Mitella nuda L., Mitella pentandra Hook., Mitella stauropetala Piper, Mitella trifida Graham, Mitracarpus breviflorus A.Gray, Mitracarpus hirtus (L.) DC., Mitracarpus maxwelliae Britton & P.Wilson, Mitracarpus polycladus Urb., Mitreola petiolata (J.F.Gmel.) Torr. & A.Gray, Mitreola sessilifolia (J.F.Gmel.) G.Don, Mnium arizonicum J.J.Amann, Mnium blyttii Bruch & Schimp., Mnium hornum Hedw., Mnium lycopodioides Schwägr., Mnium marginatum (Dicks.) P.Beauv., Mnium spinosum (Voit) Schwägr., Mnium spinulosum Bruch & Schimp., Mnium stellare Hedw., Mnium thomsonii Schimp., Modiola caroliniana (L.) G.Don, Moehringia lateriflora (L.) Fenzl, Moehringia macrophylla (Hook.) Fenzl, Moerckia blyttii (Mørch) Brockm., Moerckia flotoviana (Nees) Schiffn., Moerckia hibernica (Hook.) Gottsche, Mohavea breviflora Coville, Molendoa ogalalensis (G.L.Merr.) R.H.Zander, Molendoa sendtneriana (Bruch & Schimp.) Limpr., Monanthochloe littoralis Engelm., Monarda bradburiana Beck, Monarda clinopodia L., Monarda clinopodioides A.Gray, Monarda didyma L., Monarda fistulosa L., Monarda lindheimeri Engelm. & A.Gray, Monarda maritima (Cory) Correll, Monarda media Willd., Monarda pectinata Nutt., Monarda punctata L., Monarda stanfieldii Small, Monarda viridissima Correll, Monardella antonina Hardham, Monardella beneolens Shevock, Ertter & Jokerst, Monardella boydii A.C.Sanders & Elvin, Monardella crispa Elmer, Monardella eplingii Elvin, A.C.Sanders & J.L.Anderson, Monardella eremicola A.C.Sanders & Elvin, Monardella exilis (A.Gray) Greene, Monardella follettii (Jeps.) Jokerst, Monardella frutescens (Hoover) Jokerst, Monardella odoratissima var. glauca (Greene) H.St.John, Monardella palmeri A.Gray, Monardella purpurea Howell, Monardella robisonii Epling ex Munz, Monardella stebbinsii Hardham & Bartel, Monardella stoneana Elvin & A.C.Sanders, Monardella undulata Benth., Monardella viminea Greene, Moneses uniflora (L.) A.Gray, Monnina wrightii A.Gray, Monolepis pusilla Torr. & S.Watson, Monolepis spathulata A.Gray, Monolopia gracilens A.Gray, Monolopia lanceolata Nutt., Monolopia stricta Crum, Monoptilon bellidiforme Torr. & A.Gray ex A.Gray, Monotropa hypopitys L., Monotropa uniflora L., Monotropsis odorata Schwein. ex Elliott, Montia bostockii (A.E.Porsild) S.L.Welsh, Montia chamissoi (Ledeb. ex Spreng.) Greene, Montia diffusa (Nutt.) Greene, Montia fontana L., Montia howellii S.Watson, Montia linearis (Douglas ex Hook.) Greene, Montia parvifolia (Moc. ex DC.) Greene, Morella californica (Cham. & Schltdl.) Wilbur, Morella caroliniensis (Mill.) Small, Morella cerifera (L.) Small, Morella holdridgeana (Lundell) Wilbur, Morella inodora (W.Bartram) Small, Morella pensylvanica (Mirb.) Kartesz, Morinda trimera Hillebr., Mortonia sempervirens A.Gray, Mortonia utahensis (Coville ex A.Gray) J.Nelson, Morus microphylla Buckley, Morus rubra L., Mucronea californica Benth., Mucronea perfoliata (A.Gray) A.Heller, Mucuna gigantea (Willd.) DC., Mucuna sloanei Fawc. & Rendle, Muhlenbergia andina (Nutt.) Hitchc., Muhlenbergia appressa Goodd., Muhlenbergia arenacea (Buckley) Hitchc., Muhlenbergia arenicola Buckley, Muhlenbergia arsenei Hitchc., Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi, Muhlenbergia brevis Goodd., Muhlenbergia bushii R.W.Pohl, Muhlenbergia capillaris (Lam.) Trin., Muhlenbergia crispiseta Hitchc., Muhlenbergia curtifolia Scribn., Muhlenbergia cuspidata (Torr. ex Hook.) Rydb., Muhlenbergia depauperata Scribn., Muhlenbergia dubia E.Fourn., Muhlenbergia dumosa Scribn. ex Vasey, Muhlenbergia elongata Scribn. ex Beal, Muhlenbergia emersleyi Vasey, Muhlenbergia filiculmis Vasey, Muhlenbergia filiformis (Thurb.) Rydb., Muhlenbergia fragilis Swallen, Muhlenbergia frondosa (Poir.) Fernald, Muhlenbergia glabrifloris Scribn., Muhlenbergia glomerata (Willd.) Trin., Muhlenbergia gooddingii Soderstr., Muhlenbergia jonesii (Vasey) Hitchc., Muhlenbergia metcalfei M.E.Jones, Muhlenbergia mexicana (L.) Trin., Muhlenbergia microsperma (DC.) Kunth, Muhlenbergia minutissima (Steud.) Swallen, Muhlenbergia montana (Nutt.) Hitchc., Muhlenbergia palmeri Vasey, Muhlenbergia pauciflora Buckley, Muhlenbergia porteri Scribn., Muhlenbergia pungens Thurb., Muhlenbergia racemosa (Michx.) Britton, Sterns & Poggenb., Muhlenbergia repens (J.Presl) Hitchc., Muhlenbergia reverchonii Vasey & Scribn., Muhlenbergia richardsonis (Trin.) Rydb., Muhlenbergia schreberi J.F.Gmel., Muhlenbergia sobolifera (Muhl. ex Willd.) Trin., Muhlenbergia sylvatica Torr., Muhlenbergia tenuiflora (Willd.) Britton, Sterns & Poggenb., Muhlenbergia tenuifolia (Kunth) Kunth, Muhlenbergia thurberi (Scribn.) Rydb., Muhlenbergia torreyana (Schult.) Hitchc., Muhlenbergia torreyi (Kunth) Hitchc. ex Bush, Muhlenbergia uniflora (Muhl.) Fernald, Muhlenbergia utilis (Torr.) Hitchc., Muhlenbergia villiflora Hitchc., Muhlenbergia wrightii Vasey ex J.M.Coult., Muhlenbergia curtisetosa (Scribn.) Bush, Muilla clevelandii (S.Watson) Hoover, Muilla coronata Greene, Muilla transmontana Greene, Munroa squarrosa (Nutt.) Torr., Munroidendron racemosum (C.N.Forbes) Sherff, Musineon divaricatum (Pursh) Nutt., Musineon glaucescens Lesica, Musineon lineare (Rydb.) Mathias, Musineon tenuifolium Nutt. ex Torr. & A.Gray, Musineon vaginatum Rydb., Mylia anomala (Hook.) Gray, Mylia taylorii (Hook.) Gray, Myoporum sandwicense (A.DC.) A.Gray, Myosotis laxa Lehm., Myosotis macrosperma Engelm., Myosotis verna Nutt., Myosurus apetalus Gay, Myosurus cupulatus S.Watson, Myosurus minimus L., Myosurus nitidus Eastw., Myosurus sessilis S.Watson, Myrcia neopallens A.R.Lourenço & E.Lucas, Myrcia paganii Krug & Urb. ex Urb., Myrcia zuzygium (L.) A.R.Lourenço & E.Lucas, Myrica gale L., Myrinia pulvinata (Wahlenb.) Schimp., Myriophyllum alterniflorum DC., Myriophyllum farwellii Morong, Myriophyllum heterophyllum Michx., Myriophyllum humile (Raf.) Morong, Myriophyllum laxum Shuttlew. ex Chapm., Myriophyllum pinnatum (Walter) Britton, Sterns & Poggenb., Myriophyllum quitense Kunth, Myriophyllum sibiricum Kom., Myriophyllum tenellum Bigelow, Myriophyllum ussuriense (Regel) Maxim., Myriophyllum verticillatum L., Myrsine alyxifolia Hosaka, Myrsine degeneri Hosaka, Myrsine denticulata (Wawra) Hosaka, Myrsine emarginata (Rock) Hosaka, Myrsine fernseei (Mez) Hosaka, Myrsine fosbergii Hosaka, Myrsine helleri (O.Deg. & I.Deg.) H.St.John, Myrsine juddii Hosaka, Myrsine kauaiensis Hillebr., Myrsine knudsenii (Rock) Hosaka, Myrsine lanaiensis Hillebr., Myrsine lessertiana A.DC., Myrsine linearifolia Hosaka, Myrsine mezii Hosaka, Myrsine petiolata Hosaka, Myrsine pukooensis (H.Lév.) Hosaka, Myrsine L., Myrsine sandwicensis A.DC., Myrsine vaccinioides W.L.Wagner, D.R.Herbst & Sohmer, Myrsine wawraea (Mez) Hosaka, Myurella julacea (Schwägr.) Schimp., Myurella sibirica (Müll.Hal.) Reimers, Myurella tenerrima (Brid.) Lindb., Plantae, Najas caespitosus (Maguire) Reveal, Najas filifolia R.R.Haynes, Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt, Najas gracillima (A.Braun ex Engelm.) Magnus, Najas guadalupensis (Spreng.) Magnus, Najas marina L., Nama carnosum (Wooton) C.L.Hitchc., Nama densum Lemmon, Nama dichotomum (Ruiz & Pav.) Choisy, Nama havardii A.Gray, Nama hispidum A.Gray, Nama pusillum Lemmon ex A.Gray, Nama retrorsum Howell, Nama sandwicense A.Gray, Nama stenocarpum A.Gray, Nama stevensii C.L.Hitchc., Nama torynophyllum Greenm., Nama xylopoda (Wooton & Standl.) Hitchc., Napaea dioica L., Nardia breidleri (Limpr.) Lindb., Nardia compressa (Hook.) Gray, Nardia geoscyphus (De Not.) Lindb., Nardia hiroshii Amakawa, Nardia insecta Lindb., Nardia japonica Steph., Nardia lescurii (Austin) Underw., Nardia scalaris Gray, Nardus stricta L., Narthecium americanum Ker Gawl., Nassella cernua (Stebbins & Love) Barkworth, Nassella leucotricha (Trin. & Rupr.) R.W.Pohl, Nassella viridula (Trin.) Barkworth, Navarretia breweri (A.Gray) Greene, Navarretia divaricata (Torr. ex A.Gray) Greene, Navarretia filicaulis (Torr.) Greene, Navarretia fossalis Moran, Navarretia heterandra H.Mason, Navarretia heterodoxa (Greene) Greene, Navarretia intertexta (Benth.) Hook., Navarretia leucocephala Benth., Navarretia myersii P.S.Allen & A.G.Day, Navarretia panochensis D.Gowen & L.A.Johnson, Navarretia peninsularis Greene, Navarretia prostrata (A.Gray) Greene, Navarretia rosulata Brand, Navarretia saximontana S.C.Spencer, Navarretia setiloba Coville, Navarretia tagetina Greene, Navarretia willamettensis S.C.Spencer, Neckera besseri (Lobarz.) Jur., Neckera complanata Hübener, 1833, Neckera douglasii Hook., Neckera menziesii Drumm., Neckera pennata Hedw., Nectandra Rol. ex Rottb., Neeragrostis reptans (Michx.) Nicora, Nelumbo lutea (Willd.) Pers., Nemacaulis denudata Nutt., Nemacladus calcaratus Morin, Nemacladus californicus (A.Gray) Morin, Nemacladus capillaris Greene, Nemacladus Nutt., Nemacladus montanus Greene, Nemacladus pinnatifidus Greene, Nemacladus ramosissimus Nutt., Nemacladus rigidus Curran, Nemacladus secundiflorus G.T.Robbins, Nemacladus twisselmannii J.T.Howell, Nemastylis floridana Small, Nemastylis geminiflora Nutt., Nemastylis nuttallii Pickering ex R.C.Foster, Nemastylis tenuis (Herb.) Benth. & Hook.f. ex S.Watson, Nemopanthus mucronatus (L.) Loes., Nemophila aphylla (L.) Brummitt, Nemophila breviflora A.Gray, Nemophila kirtleyi L.F.Hend., Nemophila sayersensis B.B.Simpson, Neff & Helfgott, Neogaerrhinum filipes (A.Gray) Rothm., Neolloydia conoidea (DC.) Britton & Rose, Neomacounia nitida (Lindb.) Ireland, Neoorthocaulis attenuatus (Mart.) L.Söderstr., De Roo & Hedd., Neoorthocaulis binsteadii (Kaal.) L.Söderstr., De Roo & Hedd., Neoorthocaulis floerkei (F.Weber & D.Mohr) L.Söderstr., De Roo & Hedd., Neoorthocaulis hyperboreus (R.M.Schust.) L.Söderstr., De Roo & Hedd., Neoparrya lithophila Mathias, Neostapfia colusana (Burtt Davy) Burtt Davy, Nephrolepis biserrata (Sw.) Schott, Nephrolepis exaltata (L.) Schott, Neptunia lutea (Leavenw.) Benth., Neraudia angulata R.S.Cowan, Neraudia kauaiensis (Hillebr.) R.S.Cowan, Neraudia melastomifolia Gaudich., Neraudia ovata Gaudich., Neraudia sericea Gaudich., Nerisyrenia hypercorax P.J.Alexander & M.J.Moore, Nertera granadensis (Mutis ex L.f.) Druce, Nesaea longipes A.Gray, Nesoluma polynesicum (Hillebr.) Baill., Nestegis sandwicensis (A.Gray) O.Deg., I.Deg. & L.A.S.Johnson, Nestotus macleanii (Brandegee) Urbatsch, R.P.Roberts & Neubig, Nestronia umbellula (Raf.) Raf., Nevada holmgrenii (Rollins) N.H.Holmgren, Neviusia alabamensis A.Gray, Neviusia cliftonii Shevock, Ertter & D.W.Taylor, Nicolletia occidentalis A.Gray, Nicotiana attenuata Torr. ex S.Watson, Nicotiana plumbaginifolia Viv., Nicotiana quadrivalvis Pursh, Niphotrichum canescens (Hedw.) Bedn.-Ochyra & Ochyra, Niphotrichum elongatum (Ehrh. ex Frisvoll) Bedn.-Ochyra & Ochyra, Niphotrichum ericoides (Brid.) Bedn.-Ochyra & Ochyra, Niphotrichum panschii (Müll.Hal.) Bedn.-Ochyra & Ochyra, Niphotrichum pygmaeum (Frisvoll) Bedn.-Ochyra & Ochyra, Nissolia platycalyx S.Watson, Nissolia wislizeni (A.Gray) A.Gray, Nitrophila mohavensis Munz & J.C.Roos, Nitrophila occidentalis (Moq.) S.Watson, Noccaea Moench, Nogopterium gracile (Hedw.) Crosby & W.R.Buck, Nolina arenicola Correll, Nolina atopocarpa Bartlett, Nolina bigelovii (Torr.) S.Watson, Nolina brittoniana Nash, Nolina cismontana Dice, Nolina georgiana Michx., Nolina greenei S.Watson ex Wooton & Standl., Nolina interrata Gentry, Nolina microcarpa S.Watson, Nothocalais cuspidata (Pursh) Greene, Nothocalais nigrescens (L.F.Hend.) A.Heller, Nothocalais troximoides (A.Gray) Greene, Nothocestrum breviflorum A.Gray, Nothocestrum latifolium A.Gray, Nothocestrum longifolium A.Gray, Nothocestrum peltatum Skottsb., Notholaena aliena Maxon, Notholaena aschenborniana Klotzsch, Notholaena californica D.C.Eaton, Notholaena grayi Davenp., Notholaena greggii (Mett.) Maxon, Notholaena lemmonii D.C.Eaton, Notholaena nealleyi Seaton ex J.M.Coult., Notholaena neglecta Maxon, Notholaena standleyi (Kümmerle) Maxon, Nothoscordum bivalve (L.) Britton, Nothoscordum texanum M.E.Jones, Notothylas breutelii (Gottsche) Gottsche, Notothylas orbicularis (Schwein.) Sull., Nototrichium divaricatum Lorence, Nototrichium humile Hillebr., Nototrichium sandwicense (A.Gray) Hillebr., Nowellia curvifolia (Dicks.) Mitt., Nuphar lutea (L.) Sibth. & Sm., Nuttallanthus canadensis (L.) D.A.Sutton, Nuttallanthus texanus (Scheele) D.A.Sutton, Nymphaea elegans Hook., Nymphaea jamesoniana Planch., Nymphaea leibergii Morong, Nymphaea loriana Wiersema, Hellq. & Borsch, Nymphaea mexicana Zucc., Nymphaea odorata Sol. ex Aiton, Nymphaea tetragona Georgi, Nymphoides aquatica (J.F.Gmel.) Kuntze, Nymphoides cordata (Elliott) Fernald, Nyssa aquatica L., Nyssa biflora Michx., 1803, Nyssa ogeche W.Bartram ex Marshall, Nyssa sylvatica Marshall, Nyssa ursina Small, Obolaria virginica L., Obtusifolium obtusum (Lindb.) S.W.Arnell, Ochrosia compta K.Schum., Ochrosia haleakalae H.St.John, Ochrosia kauaiensis H.St.John, Ochrosia kilaueaensis H.St.John, Oclemena acuminata (Michx.) Greene, Oclemena nemoralis (Aiton) Greene, Oclemena ×blakei (Porter) G.L.Nesom, Odontoschisma denudatum (Mart.) Dumort., Odontoschisma elongatum (Lindb.) A.Evans, Odontoschisma fluitans (Nees) L.Söderstr. & Váňa, Odontoschisma francisci (Hook.) L.Söderstr. & Váňa, Odontoschisma macounii (Austin) Underw., Odontoschisma sphagni (Dicks.) Dumort., Oedipodium griffithianum (Dicks.) Schwägr., Oenothera acutissima W.L.Wagner, Oenothera albicaulis Fras., Oenothera argillicola Mack., Oenothera biennis L., Oenothera L., Oenothera canescens Torr. & Frém., Oenothera cavernae Munz, Oenothera clelandii W.Dietr., P.H.Raven & W.L.Wagner, Oenothera cordata Steud., Oenothera coronopifolia Torr. & A.Gray, Oenothera coryi W.L.Wagner, Oenothera curtissii (Rose) Small, Oenothera deltoides Torr. & Frém., Oenothera engelmannii (Wooton & Standl.) Munz, Oenothera flava (A.Nelson) Garrett, Oenothera flava var. acutissima (W.L.Wagner) S.L.Welsh, Oenothera fruticosa L., Oenothera grandiflora L'Her, Oenothera grandis (Britton) Rydb., Oenothera harringtonii W.L.Wagner, Stockh. & W.M.Klein, Oenothera havardii S.Watson, Oenothera heterophylla Spach, Oenothera howardii (A.Nelson) W.L.Wagner, Oenothera humifusa Nutt., Oenothera laciniata Hill, Oenothera latifolia (Rydb.) Munz, Oenothera linifolia Nutt., Oenothera longissima Rydb., Oenothera macrocarpa Nutt., Oenothera murdockii S.L.Welsh & N.D.Atwood, Oenothera neomexicana (Small) Munz, Oenothera nutans G.F.Atk. & Bartlett, Oenothera nuttallii Torr. & A.Gray, Oenothera oakesiana (A.Gray) J.W.Robbins ex S.Watson, Oenothera organensis Munz ex Emers., Oenothera pallida Lindl., Oenothera parviflora L., Oenothera perennis L., Oenothera pilosella Raf., Oenothera psammophila (A.Nelson & J.F.Macbr.) W.L.Wagner, Stockh. & W.M.Klein, Oenothera rhombipetala Nutt. ex Torr. & A.Gray, Oenothera speciosa Nutt., Oenothera texensis P.H.Raven & D.R.Parn., Oenothera triloba Nutt., Oenothera villosa Thunb., Oenothera wolfii (Munz) P.H.Raven, W.Dietr. & W.Stubbe, Oenothera xylocarpa Coville, Okenia hypogaea Schltdl. & Cham., Oldenlandia boscii (DC.) Chapm., Oldenlandia L., Oleolophozia perssonii (H.Buch & S.W.Arnell) L.Söderstr., De Roo & Hedd., Oligoneuron album (Nutt.) G.L.Nesom, Oligoneuron nitidum (Torr. & A.Gray) Small, Oligoneuron ohioense (Riddell) G.N.Jones, Oligoneuron riddellii (Frank) Rydb., Oligoneuron rigidum (L.) Small, Oligotrichum aligerum Mitt., Oligotrichum falcatum Steere, Oligotrichum hercynicum (Hedw.) DC., Oligotrichum parallelum (Mitt.) Kindb., Olsynium douglasii (A.Dietr.) E.P.Bicknell, Omalotheca norvegica (Gunnerus) Sch.Bip. & F.W.Schultz, Omalotheca supina (L.) DC., Omalotheca sylvatica (L.) Sch.Bip. & F.W.Schultz, Oncidium ensatum Lindl., Oncidium Sw., Oncophorus rauei Grout, 1937, Oncophorus virens (Hedw.) Brid., Oncophorus wahlenbergii Brid., Onoclea sensibilis L., Onosmodium helleri Small, Onosmodium molle Michx., Onosmodium virginianum (L.) A.DC., Oonopsis engelmannii (A.Gray) Greene, Oonopsis foliosa (Torr. & A.Gray) Greene, Oonopsis multicaulis (Nutt.) Greene, Oonopsis wardii (A.Gray) Greene, Ophioglossum californicum Prantl, Ophioglossum concinnum Brack., Ophioglossum crotalophoroides Walter, Ophioglossum engelmannii Prantl, Ophioglossum nudicaule L.fil., Ophioglossum petiolatum Hook., Ophioglossum pusillum Raf., Ophioglossum vulgatum L., Oplopanax horridus (Sm.) Miq., Opuntia aggeria Ralston & Hilsenb., Opuntia arbuscula Engelm., Opuntia arenaria Engelm., Opuntia aurea E.M.Baxter, Opuntia aureispina (S.Brack & K.D.Heil) Pinkava & B.D.Parfitt, Opuntia basilaris Engelm. & J.M.Bigelow, Opuntia bigelovii Engelm., Opuntia Mill., Opuntia chisosensis (Anthony) D.J.Ferguson, Opuntia chlorotica Engelm. & J.M.Bigelow, Opuntia Mill., Opuntia densispina Ralston & Hilsenb., Opuntia echinocarpa Engelm. & J.M.Bigelow, Opuntia engelmannii Salm-Dyck, Opuntia fragilis (Nutt.) Haw., Opuntia gosseliniana F.A.C.Weber, Opuntia heacockiae Arp, Opuntia humifusa (Raf.) Raf., Opuntia Mill., Opuntia kleiniae DC., Opuntia kunzei Rose, Opuntia littoralis (Engelm.) Cockerell, Opuntia macrocentra Engelm., Opuntia macrorhiza Engelm., Opuntia ×martiniana (L.D.Benson) B.D.Parfitt, Opuntia munzii C.B.Wolf, Opuntia nicholii L.D.Benson, Opuntia oricola Philbrick, Opuntia parishii Orcutt, Opuntia pinkavae B.D.Parfitt, Opuntia prolifera Engelm., Opuntia pulchella Engelm., Opuntia pusilla (Haw.) Haw., Opuntia ramosissima Engelm., Opuntia spinosior (Engelm.) Toumey, Opuntia triacantha (Willd.) Sw., Opuntia valida Griffiths, Opuntia versicolor Engelm. ex J.M.Coult., Opuntia wigginsii L.D.Benson, Opuntia wolfii (L.D.Benson) M.A.Baker, Opuntia ×curvispina Griffiths, Orbexilum lupinellum (Michx.) Isely, Orbexilum onobrychis (Nutt.) Rydb., Orbexilum pedunculatum (Mill.) Rydb., Orbexilum simplex (Nutt.) Rydb., Orbexilum virgatum (Nutt.) Rydb., Orcuttia californica Vasey, Orcuttia inaequalis Hoover, Orcuttia pilosa Hoover, Orcuttia tenuis Hitchc., Orcuttia viscida (Hoover) Reeder, Oreas martiana (Hoppe & Hornsch.) Brid., Oreobolus furcatus H.Mann, Oreocarya paradoxa A.Nelson, Oreocarya revealii W.A.Weber & R.C.Wittmann, Oreocarya shackletteana (L.C.Higgins) R.B.Kelley, Oreochrysum parryi (A.Gray) Rydb., Oreonana clementis (M.E.Jones) Jeps., Oreonana purpurascens Shevock & Constance, Oreonana vestita (S.Watson) Jeps., Oreostemma alpigenum (Torr. & A.Gray) Greene, Oreostemma elatum (Greene) Greene, Oreostemma peirsonii (Sharsm.) G.L.Nesom, Oreoxis alpina (A.Gray) J.M.Coult. & Rose, Oreoxis bakeri J.M.Coult. & Rose, Oreoxis humilis Raf., Oreoxis trotteri S.L.Welsh & Goodrich, Ornithostaphylos oppositifolia (Parry) Small, Orobanche corymbosa (Rydb.) Ferris, Orobanche corymbosa (Rydb.) Ferris, Orobanche fasciculata Nutt., Orobanche ludoviciana Nutt., Orobanche pinorum Geyer ex Hook., Orobanche uniflora L., Orobanche vallicola (Jeps.) Heckard, Orochaenactis thysanocarpha (A.Gray) Coville, Orogenia fusiformis S.Watson, Orogenia linearifolia S.Watson, Orontium aquaticum L., Orthilia secunda (L.) House, Orthocarpus barbatus J.S.Cotton, Orthocarpus bracteosus Benth., Orthocarpus holmgreniorum (T.I.Chuang & Heckard) L.M.Schultz & F.J.Sm., Orthocarpus imbricatus Torr. ex S.Watson, Orthocarpus luteus Nutt., Orthocarpus pachystachyus A.Gray, Orthocarpus purpureoalbus S.Watson, Orthocarpus tolmiei Hook. & Arn., Orthocaulis atlanticus (Kaal.) H.Buch, Orthocaulis cavifolius H.Buch & S.W.Arnell, Orthodontium gracile (Wilson) Schwägr. ex B.S.G., Orthodontium pellucens (Hook.) B.S.G., Orthothecium acuminatum Bryhn, Orthothecium chryseum W.P.Schimper, 1851, Orthothecium intricatum (Hartm.) Schimp., Orthothecium strictum Lorentz, Orthotrichum affine Brid., Orthotrichum alpestre Hornsch. ex B.S.G., Orthotrichum anomalum Hedw., Orthotrichum bartramii R.S.Williams, Orthotrichum bolanderi Sull., Orthotrichum consimile Mitt., Orthotrichum cupulatum Hoffm. ex Brid., Orthotrichum diaphanum Schrad. ex Brid., Orthotrichum elegans Schwägr., Orthotrichum euryphyllum Venturi, Orthotrichum exiguum Sull., Orthotrichum fenestratum Cardot & Thér., Orthotrichum hallii Sull. & Lesq., Orthotrichum holzingeri Renauld & Cardot, Orthotrichum keeverae H.A.Crum & L.E.Anderson, Orthotrichum kellmanii D.H.Norris, Shevock & Goffinet, Orthotrichum laevigatum J.E.Zetterst., Orthotrichum lescurii Austin, Orthotrichum obtusifolium Brid., Orthotrichum ohioense Sull. & Lesq., Orthotrichum pallens Bruch ex Brid., Orthotrichum pellucidum Lindb., Orthotrichum praemorsum Venturi, Orthotrichum pulchellum Brunt., Orthotrichum pumilum Sw., Orthotrichum pusillum Mitt., Orthotrichum pylaisii Brid., Orthotrichum rivulare Turner, Orthotrichum rupestre Schleich. ex Schwägr., Orthotrichum shevockii Lewinsky & D.H.Norris, Orthotrichum sordidum Sull. & Lesq., Orthotrichum speciosum Nees, Orthotrichum spjutii D.H.Norris & Vitt, Orthotrichum stellatum Brid., Orthotrichum strangulatum P.Beauv., Orthotrichum striatum Hedw., Orthotrichum tenellum Bruch ex Brid., Orthotrichum underwoodii F.Lara, Garilleti & Mazimpaka, Oryctes nevadensis S.Watson, Oryzopsis asperifolia Michx., Osmorhiza berteroi DC., Osmorhiza brachypoda Torr. ex Durand, Osmorhiza claytonii Macl., Osmorhiza depauperata Phil., Osmorhiza longistylis (Torr.) DC., Osmorhiza occidentalis (Nutt. ex Torr. & A.Gray) Torr., Osmorhiza purpurea (J.M.Coult. & Rose) Suksd., Osmunda cinnamomea L., Osmunda claytoniana L., Osmunda regalis L., Osteomeles anthyllidifolia (Sm.) Lindl., Ostrya chisosensis Correll, Ostrya knowltonii Coville, Ostrya virginiana (Mill.) K.Koch, Ottoschulzia rhodoxylon (Urb.) Urb., Oxalis alpina (Rose) Rose ex R.Knuth, Oxalis dillenii Jacq., Oxalis grandis Small, Oxalis illinoensis Schwegman, Oxalis montana Raf., Oxalis oregana Nutt. ex Torr. & A.Gray, Oxalis priceae Small, Oxalis stricta L., Oxalis suksdorfii Trel., Oxalis trilliifolia Hook., Oxalis violacea L., Oxycaryum cubense (Poepp. & Kunth) Palla, Oxydendrum arboreum (L.) DC., Oxymitra incrassata (Brot.) Sérgio & Sim-Sim, Oxypolis canbyi (J.M.Coult. & Rose) Fernald, Oxypolis fendleri (A.Gray) A.Heller, Oxypolis filiformis (Walter) Britton, Oxypolis greenmanii Mathias & Constance, Oxypolis occidentalis J.M.Coult. & Rose, Oxypolis rigidior (L.) Raf., Oxypolis ternata (Nutt.) A.Heller, Oxyria digyna (L.) Hill, Oxyrrhynchium hians (Hedw.) Loeske, Oxystylis lutea Torr. & Frém., Oxytheca dendroidea Nutt., Oxytheca emarginata H.M.Hall, Oxytheca perfoliata Torr. & A.Gray, Oxytheca watsonii Torr. & A.Gray, Oxytropis arctica R.Br., Oxytropis besseyi (Rydb.) Blank., Oxytropis besseyi var. obnapiformis (Ced.Porter) S.L.Welsh, Oxytropis besseyi var. salmonensis Barneby, Oxytropis borealis DC., Oxytropis campestris (L.) DC., Oxytropis deflexa (Pall.) DC., Oxytropis deflexa var. pulcherrima S.L.Welsh & A.Huber, Oxytropis huddelsonii A.E.Porsild, Oxytropis kobukensis S.L.Welsh, Oxytropis kokrinensis A.E.Porsild, Oxytropis lagopus Nutt., Oxytropis lambertii Pursh, Oxytropis maydelliana Trautv., Oxytropis mertensiana Turcz., Oxytropis monticola A.Gray, Oxytropis multiceps Nutt., Oxytropis nana Nutt., Oxytropis parryi A.Gray, Oxytropis podocarpa A.Gray, Oxytropis scammaniana Hultén, Oxytropis sericea Nutt., Oxytropis splendens Douglas, Pachycereus schottii (Engelm.) D.R.Hunt, Pachysandra procumbens Michx., Packera anonyma (Alph.Wood) W.A.Weber & Á.Löve, Packera antennariifolia (Britton) W.A.Weber & Á.Löve, Packera aurea (L.) Á.Löve & D.Löve, Packera bernardina (Greene) W.A.Weber & Á.Löve, Packera cana (Hook.) W.A.Weber & Á.Löve, Packera cardamine (Greene) W.A.Weber & Á.Löve, Packera castoreus (S.L.Welsh) Kartesz, Packera contermina (Greenm.) J.F.Bain, Packera crocata (Rydb.) W.A.Weber & Á.Löve, Packera cymbalaria (Pursh) W.A.Weber & Á.Löve, Packera cynthioides (Greene) W.A.Weber & Á.Löve, Packera debilis (Nutt.) W.A.Weber & Á.Löve, Packera dimorphophylla (Greene) W.A.Weber & Á.Löve, Packera dimorphophylla var. intermedia (T.M.Barkley) Trock & T.M.Barkley, Packera fendleri (A.Gray) W.A.Weber & Á.Löve, Packera flettii (Wiegand) W.A.Weber & Á.Löve, Packera franciscana (Greene) W.A.Weber & Á.Löve, Packera ganderi (T.M.Barkley & Beauch.) W.A.Weber & Á.Löve, Packera glabella (Poir.) C.Jeffrey, Packera greenei (A.Gray) W.A.Weber & Á.Löve, Packera hartiana (A.Heller) W.A.Weber & Á.Löve, Packera hesperia (Greene) W.A.Weber & Á.Löve, Packera hyperborealis (Greenm.) Á.Löve & D.Löve, Packera indecora (Greenm.) Á.Löve & D.Löve, Packera layneae (Greene) W.A.Weber & Á.Löve, Packera macounii (Greene) W.A.Weber & Á.Löve, Packera malmstenii (S.F.Blake ex Tidestr.) Kartesz, Packera millefolia (Torr. & A.Gray) W.A.Weber & Á.Löve, Packera moresbiensis (Calder & R.L.Taylor) J.F.Bain, Packera multilobata (Torr. & A.Gray ex A.Gray) W.A.Weber & Á.Löve, Packera obovata (Muhl. ex Willd.) W.A.Weber & Á.Löve, Packera ogotorukensis (Packer) Á.Löve & D.Löve, Packera pauciflora (Pursh) Á.Löve & D.Löve, Packera paupercula (Michx.) Á.Löve & D.Löve, Packera plattensis (Nutt.) W.A.Weber & Á.Löve, Packera porteri (Greene) C.Jeffrey, Packera pseudaurea (Rydb.) W.A.Weber & Á.Löve, Packera pseudaurea var. flavula (Greene) Trock & T.M.Barkley, Packera sanguisorboides (Rydb.) W.A.Weber & Á.Löve, Packera schweinitziana (Nutt.) W.A.Weber & Á.Löve, Packera spellenbergii (T.M.Barkley) C.Jeffrey, Packera streptanthifolia (Greene) W.A.Weber & Á.Löve, Packera tampicana (DC.) C.Jeffrey, Packera texensis O'Kennon & Trock, Packera tomentosa C.Jeffrey, Packera tridenticulata (Rydb.) W.A.Weber & Á.Löve, Packera werneriifolia (A.Gray) W.A.Weber & Á.Löve, Paeonia brownii Douglas, Palafoxia arida B.L.Turner & M.I.Morris, Palafoxia callosa (Nutt.) Torr. & A.Gray, Palafoxia integrifolia (Nutt.) Torr. & A.Gray, Palafoxia riograndensis Cory, Palafoxia rosea (Bush) Cory, Palafoxia texana DC., Palamocladium leskeoides (Hook.) E.Britton, Pallavicinia lyellii (Hook.) Gray, Paludella squarrosa (Hedw.) Brid., Palustriella falcata (Brid.) Hedenäs, Panax quinquefolius L., Panax trifolius L., Panicum abscissum Swallen, Panicum amarum Elliott, Panicum anceps Michx., Panicum beecheyi Hook. & Arn., Panicum bergii Arechav., Panicum brachyanthum Steud., Panicum fauriei Hitchc., Panicum flexile (Gatt.) Scribn., Panicum gattingeri Nash, Panicum hallii Vasey, Panicum hemitomon Schult., Panicum hirsutum Sw., Panicum hirticaule J.Presl, Panicum konaense Whitney & Hosaka, Panicum lineale H.St.John, Panicum longivaginatum H.St.John, Panicum mohavense Reeder, Panicum nephelophilum Gaudich., Panicum niihauense H.St.John, Panicum pellitum Trin., Panicum philadelphicum Bernh. ex Nees, Panicum ramosius Hitchc., Panicum rigidulum Bosc ex Nees, Panicum sonorum Beal, Panicum tenerum Beyr. ex Trin., Panicum tenuifolium Hook. & Arn., Panicum torridum Gaudich., Panicum urvilleanum Kunth, Panicum verrucosum Muhl., Panicum virgatum L., Panicum xerophilum (Hildebr.) Hitchc., Papaver alboroseum Hultén, Papaver gorodkovii Tolm. & Petrovsky, Papaver kluanense D.Löve, Papaver nudicaule L., Papaver pygmaeum Rydb., Papaver radicatum Rottb. ex DC., Papaver radicatum subsp. kluanense (D.Löve) D.F.Murray, Papaver walpolei A.E.Porsild, Paraleucobryum enerve (Thed.) Loeske, Paraleucobryum longifolium (Ehrh. ex Hedw.) Loeske, Parasenecio auriculata (DC.) J.R.Grant, Parietaria floridana Nutt., Parietaria pensylvanica Muhl. ex Willd., Parietaria praetermissa Hinton, Parkinsonia microphylla Torr., Parnassia asarifolia Vent., Parnassia caroliniana Michx., Parnassia fimbriata Banks, Parnassia glauca Raf., Parnassia grandifolia DC., Parnassia kotzebuei Cham. & Schltdl. ex Spreng., Parnassia palustris L., Parnassia parviflora DC., Paronychia ahartii Ertter, Paronychia americana (Nutt.) Fenzl ex Walp., Paronychia argyrocoma (Michx.) Nutt., Paronychia baldwinii (Torr. & A.Gray) Fenzl, Paronychia canadensis (L.) Alph.Wood, Paronychia chartacea Fernald, Paronychia congesta Correll, Paronychia depressa (Torr. & A.Gray) Nutt. ex A.Nelson, Paronychia drummondii Torr. & A.Gray, Paronychia erecta (Chapm.) Shinners, Paronychia fastigiata (Raf.) Fernald, Paronychia herniarioides (Michx.) Nutt., Paronychia jamesii Torr. & A.Gray, Paronychia jonesii M.C.Johnst., Paronychia lindheimeri Engelm. ex A.Gray, Paronychia lundelliorum Turner, Paronychia Mill., Paronychia monticola Cory, Paronychia patula Shinners, Paronychia pulvinata A.Gray, Paronychia rugelii (Chapm.) Shuttlew. ex Chapm., Paronychia sessiliflora Nutt., Paronychia setacea Torr. & A.Gray, Paronychia virginica Spreng., Paronychia wilkinsonii S.Watson, Parrya nudicaulis (L.) Regel, Parrya rydbergii Botsch., Parryella filifolia Torr. & A.Gray, Parthenice mollis A.Gray, Parthenium alpinum (Nutt.) Torr. & A.Gray, Parthenium auriculatum Britton, Parthenium hispidum Raf., Parthenium incanum Kunth, Parthenium integrifolium L., Parthenium ligulatum (M.E.Jones) Barneby, Parthenium tetraneuris Barneby, Parthenocissus vitacea (Knerr) Hitchc., Pascopyrum smithii (Rydb.) Barkworth & D.R.Dewey, Paspalum bifidum (Bertol.) Nash, Paspalum blodgettii Chapm., Paspalum boscianum Flüggé, Paspalum caespitosum Flüggé, Paspalum conjugatum P.J.Bergius, Paspalum dissectum (L.) L., Paspalum distichum L., Paspalum floridanum Michx., Paspalum fluitans (Elliott) Kunth, Paspalum laeve Michx., Paspalum laxum Lam., Paspalum monostachyum Vasey ex Chapm., Paspalum plicatulum Michx., Paspalum praecox Walter, Paspalum pubiflorum Rupr. ex E.Fourn., Paspalum saugetii Chase, Paspalum separatum Shinners, Paspalum setaceum Michx., Paspalum vaginatum Sw., Paspalum virgatum L., Paspalum virletii E.Fourn., Passiflora bryonioides Kunth, Passiflora incarnata L., Passiflora lutea L., Passiflora mexicana Juss., Passiflora multiflora L., Passiflora pallens Poepp. ex Mast., Passiflora sexflora Juss., Pavonia paludicola Nicolson ex Fryxell, Pavonia spinifex (L.) Cav., Paxistima canbyi A.Gray, Paxistima myrsinites (Pursh) Raf., Pecluma dispersa (A.M.Evans) M.G.Price, Pecluma plumula (Humb. & Bonpl. ex Willd.) M.G.Price, Pectis angustifolia Torr., Pectis angustifolia var. angustifolia, Pectis cylindrica (Fernald) Rydb., Pectis imberbis A.Gray, Pectis linearifolia Urb., Pectis linifolia L., Pectis rusbyi Greene ex A.Gray, Pectocarya heterocarpa (I.M.Johnst.) I.M.Johnst., Pectocarya penicillata (Hook. & Arn.) A.DC., Pectocarya platycarpa (Munz & Johnst.) Munz & I.M.Johnst., Pectocarya recurvata I.M.Johnst., Pectocarya setosa A.Gray, Pedicularis angustifolia Benth., Pedicularis bracteosa Benth., Pedicularis canadensis L., Pedicularis capitata Adams, Pedicularis centranthera A.Gray, Pedicularis contorta Benth., Pedicularis crenulata Benth., Pedicularis cystopteridifolia Rydb., Pedicularis dudleyi Elmer, Pedicularis flammea L., Pedicularis furbishiae S.Watson, Pedicularis groenlandica Retz., Pedicularis hirsuta L., Pedicularis howellii A.Gray, Pedicularis labradorica Wirsing, Pedicularis lanata Willd. ex Cham. & Schltdl., Pedicularis lanceolata Michx., Pedicularis langsdorffii Fisch. ex Steven, Pedicularis lapponica L., Pedicularis macrodonta Richardson, Pedicularis oederi Vahl, Pedicularis palustris L., Pedicularis parryi A.Gray, Pedicularis parryi var. mogollonica (Greene) Dorn, Pedicularis parviflora Sm., Pedicularis procera A.Gray, Pedicularis pulchella Pennell, Pedicularis racemosa Douglas ex Hook., Pedicularis rainierensis Pennell & Warren, Pedicularis rigginsiae D.J.Keil, Pedicularis semibarbata A.Gray, Pedicularis semibarbata var. charlestonensis Pennell & Clokey, Pedicularis sudetica Willd., Pedinophyllum interruptum (Nees) Kaal., Pediocactus bradyi L.D.Benson, Pediocactus despainii S.L.Welsh & Goodrich, Pediocactus knowltonii L.D.Benson, Pediocactus nigrispinus (Hochstätter) Hochstätter, Pediocactus paradinei B.W.Benson, Pediocactus peeblesianus (Croizat) L.D.Benson, Pediocactus sileri (Daul) L.D.Benson, Pediocactus simpsonii (Engelm.) Britton & Rose, Pediocactus winkleri K.D.Heil, Pediomelum argophyllum (Pursh) J.W.Grimes, Pediomelum aromaticum (Payson) W.A.Weber, Pediomelum canescens (Michx.) Rydb., Pediomelum castoreum (S.Watson) Rydb., Pediomelum cuspidatum (Pursh) Rydb., Pediomelum cyphocalyx (A.Gray) Rydb., Pediomelum digitatum (Nutt.) Isely, Pediomelum esculentum (Pursh) Rydb., Pediomelum humile Rydb., Pediomelum hypogaeum (Nutt.) Rydb., Pediomelum linearifolium (Torr. & A.Gray) J.W.Grimes, Pediomelum megalanthum (Wooton & Standl.) Rydb., Pediomelum mephiticum (S.Watson) Rydb., Pediomelum pariense (R.L.Welsh & N.D.Atwood) J.W.Grimes, Pediomelum pentaphyllum (L.) Rydb., Pediomelum reverchonii (S.Watson) Rydb., Pediomelum rhombifolium (Torr. & A.Gray) Rydb., Pediomelum subacaule (Torr. & A.Gray) Rydb., Peganum mexicanum A.Gray, Pelexia adnata (Sw.) Poit. ex Rich., Pellaea andromedifolia (Kaulf.) Fée, Pellaea atropurpurea (L.) Link, Pellaea brachyptera (T.Moore) Baker, Pellaea breweri D.C.Eaton, Pellaea bridgesii Hook., Pellaea gastonyi Windham, Pellaea glabella Mett. ex Kuhn, Pellaea intermedia Mett. ex Kuhn, Pellaea lyngholmii Windham, Pellaea ternifolia (Cav.) Link, Pellaea truncata Goodd., Pellaea wrightiana Hook., Pellia appalachiana (R.M.Schust.) R.M.Schust., Pellia neesiana (Gottsche) Limpr., Peltandra sagittifolia (Michx.) Morong, Peltandra virginica (L.) Schott, Peltolepis quadrata (Saut.) Müll.Frib., Peniocereus greggii (Engelm.) Britton & Rose, Peniocereus striatus (K.Brandegee) Buxb., Penstemon abietinus Pennell, Penstemon absarokensis Evert, Penstemon acaulis L.O.Williams, Penstemon alamosensis Pennell & Nisbet, Penstemon albertinus Greene, Penstemon albidus Nutt., Penstemon albomarginatus M.E.Jones, Penstemon ambiguus Torr., Penstemon ammophilus N.H.Holmgren & L.M.Schultz, Penstemon angustifolius Nutt. ex Pursh, Penstemon angustifolius var. dulcis Neese, Penstemon arenarius Greene, Penstemon arenicola A.Nelson, Penstemon aridus Rydb., Penstemon attenuatus Douglas, Penstemon atwoodii S.L.Welsh, Penstemon auriberbis Pennell, Penstemon australis Small, Penstemon barnebyi N.H.Holmgren, Penstemon barrettiae A.Gray, Penstemon bicolor (Brandegee) Clokey & D.D.Keck, Penstemon bicolor subsp. bicolor, Penstemon bicolor subsp. roseus Clokey & D.D.Keck, Penstemon bracteatus D.D.Keck, Penstemon breviculus (D.D.Keck) Nisbet & R.C.Jacks., Penstemon buckleyi Pennell, Penstemon caesius A.Gray, Penstemon caespitosus Nutt. ex A.Gray, Penstemon caespitosus subsp. suffruticosus (A.Gray) D.D.Keck, Penstemon calcareus Brandegee, Penstemon californicus (Munz & L M.Johnst.) D.D.Keck, Penstemon calycosus Small, Penstemon canescens (Britton) Britton, Penstemon cardinalis Wooton & Standl., Penstemon carnosus Pennell, Penstemon caryi Pennell, Penstemon cinicola D.D.Keck, Penstemon clutei A.Nelson, Penstemon cobaea Nutt., Penstemon comarrhenus A.Gray, Penstemon compactus (D.D.Keck) Crosswh., Penstemon concinnus D.D.Keck, Penstemon confertus Douglas, Penstemon confusus M.E.Jones, Penstemon crandallii subsp. atratus D.D.Keck, Penstemon cyananthus Hook., Penstemon cyaneus Pennell, Penstemon cyathophorus Rydb., Penstemon dasyphyllus A.Gray, Penstemon deamii Pennell, Penstemon deaveri Crosswh., Penstemon debilis O'Kane & J.L.Anderson, Penstemon degeneri Crosswh., Penstemon deustus Douglas, Penstemon digitalis Nutt., Penstemon discolor D.D.Keck, Penstemon dissectus Elliott, Penstemon distans N.H.Holmgren, Penstemon elegantulus Pennell, Penstemon ellipticus Coult. & Fisher, Penstemon eriantherus Pursh, Penstemon eriantherus var. cleburnei (M.E.Jones) Dorn, Penstemon fendleri Torr. & A.Gray, Penstemon filiformis (D.D.Keck) D.D.Keck, Penstemon flavescens Pennell, Penstemon floribundus Danley, Penstemon floridus Brandegee, Penstemon flowersii Neese & S.L.Welsh, Penstemon franklinii S.L.Welsh, Penstemon fremontii Torr. & A.Gray, Penstemon fruticiformis Coville, Penstemon fruticiformis subsp. amargosae D.D.Keck, Penstemon fruticosus (Pursh) Greene, Penstemon gibbensii Dorn, Penstemon glaucinus Pennell, Penstemon globosus (Piper) Pennell & D.D.Keck, Penstemon goodrichii N.H.Holmgren, Penstemon gormanii Greene, Penstemon gracilis Nutt., Penstemon grahamii D.D.Keck, Penstemon grandiflorus Fraser, Penstemon griffinii A.Nelson, Penstemon grinnellii Eastw., Penstemon guadalupensis A.Heller, Penstemon hallii A.Gray, Penstemon harbourii A.Gray, Penstemon harringtonii Penland, Penstemon haydenii S.Watson ex Coult., Penstemon hirsutus (L.) Willd., Penstemon humilis Nutt. ex A.Gray, Penstemon idahoensis N.D.Atwood & S.L.Welsh, Penstemon immanifestus N.H.Holmgren, Penstemon incertus Brandegee, Penstemon jamesii Benth., Penstemon janishiae N.H.Holmgren, Penstemon kralii D.Estes, Penstemon laevigatus Aiton, Penstemon laevis Pennell, Penstemon laricifolius Hook. & Arn., Penstemon laricifolius subsp. exilifolius (A.Nelson) D.D.Keck, Penstemon laxus A.Nelson, Penstemon leiophyllus Pennell, Penstemon leiophyllus var. francisci-pennellii (Crosswh.) N.H.Holmgren, Penstemon leiophyllus var. keckii (Clokey) N.H.Holmgren, Penstemon lemhiensis (D.D.Keck) D.D.Keck & Cronquist, Penstemon lentus Pennell, Penstemon lentus var. albiflorus (D.D.Keck) Reveal, Penstemon leonardii Rydb., Penstemon leonardii var. patricus (N.H.Holmgren) Neese, Penstemon linarioides A.Gray, Penstemon lyalli (A.Gray) A.Gray, Penstemon marcusii (D.D.Keck) N.H.Holmgren, Penstemon mensarum Pennell, Penstemon metcalfei Wooton & Standl., Penstemon miser A.Gray, Penstemon moffattii Eastw., Penstemon monoensis A.Heller, Penstemon montanus Greene, Penstemon moriahensis N.H.Holmgren, Penstemon multiflorus Chapm. ex Benth., 1846, Penstemon murrayanus Hook., Penstemon nanus D.D.Keck, Penstemon navajoa N.H.Holmgren, Penstemon neotericus D.D.Keck, Penstemon nitidus Douglas ex Benth., Penstemon nudiflorus A.Gray, Penstemon oklahomensis Pennell, Penstemon oliganthus Wooton & Standl., Penstemon ophianthus Pennell, Penstemon ovatus Douglas, Penstemon pahutensis N.H.Holmgren, Penstemon pallidus Small, Penstemon palmeri var. macranthus (Eastw.) N.H.Holmgren, Penstemon papillatus J.T.Howell, Penstemon parvus Pennell, Penstemon patens (M.E.Jones) N.H.Holmgren, Penstemon payettensis A.Nelson & J.F.Macbr., Penstemon paysoniorum D.D.Keck, Penstemon peckii Pennell, Penstemon penlandii W.A.Weber, Penstemon pennellianus D.D.Keck, Penstemon perpulcher A.Nelson, Penstemon personatus D.D.Keck, Penstemon petiolatus Brandegee, Penstemon pinifolius Greene, Penstemon pinorum L.M.Shultz & J.S.Shultz, Penstemon platyphyllus Rydb., Penstemon procerus Douglas ex Graham, Penstemon pseudoputus (Crosswh.) N.H.Holmgren, Penstemon pudicus Reveal & Beatley, Penstemon purpusii Brandegee, Penstemon putus A.Nelson, Penstemon radicosus A.Nelson, Penstemon ramosus Crosswh., Penstemon retrorsus Payson, Penstemon rhizomatosus N.H.Holmgren, Penstemon rubicundus D.D.Keck, Penstemon rydbergii A.Nelson, Penstemon salmonensis N.H.Holmgren, Penstemon saxosorum Pennell, Penstemon scapoides D.D.Keck, Penstemon scariosus Pennell, Penstemon secundiflorus Benth., Penstemon seorsus (A.Nelson) D.D.Keck, Penstemon sepalulus A.Nelson, Penstemon serrulatus Menzies, Penstemon shastensis D.D.Keck, Penstemon smallii A.Heller, Penstemon speciosus Douglas, Penstemon stenophyllus A.Gray, Penstemon stephensii Brandegee, Penstemon strictiformis Rydb., Penstemon strictus Benth., Penstemon subglaber Rydb., Penstemon subserratus Pennell, Penstemon sudans M.E.Jones, Penstemon superbus A.Nelson, Penstemon tenuiflorus Pennell, Penstemon tenuis Small, Penstemon teucrioides Greene, Penstemon thompsoniae (A.Gray) Rydb., Penstemon thompsoniae subsp. jaegeri D.D.Keck, Penstemon thurberi Torr., Penstemon tidestromii Pennell, Penstemon tiehmii N.H.Holmgren, Penstemon tracyi D.D.Keck, Penstemon triflorus A.Heller, Penstemon tubiflorus, Penstemon tusharensis N.H.Holmgren, Penstemon uintahensis Pennell, Penstemon unilateralis Rydb., Penstemon utahensis Eastw., Penstemon virens Pennell ex Rydb., Penstemon virgatus A.Gray, Penstemon wardii A.Gray, Penstemon washingtonensis D.D.Keck, Penstemon whippleanus A.Gray, Penstemon wilcoxii Rydb., Penstemon wrightii Hook., Penstemon yampaensis Penland, Pentachaeta bellidiflora Greene, Pentachaeta fragilis Brandegee, Pentachaeta lyonii A.Gray, Pentagramma pallida (Weath.) Yatsk., Windham & Wollenw., Pentagramma triangularis (Kaulf.) Yatsk., Windham & Wollenw., Pentalinon luteum (L.) B.F.Hansen & Wunderlin, Penthorum sedoides L., Peperomia alternifolia Yunck., Peperomia cookiana C.DC., Peperomia eekana C.DC., Peperomia ellipticibacca C.DC., Peperomia expallescens C.DC., Peperomia globulanthera C.DC., Peperomia hesperomannii Wawra, Peperomia hirtipetiola C.DC., Peperomia humilis (Vahl) A.Dietr., Peperomia hypoleuca Miq., Peperomia kipahuluensis H.St.John & Lamoureux, Peperomia kokeana Yunck., Peperomia latifolia Miq., Peperomia ligustrina Hillebr., Peperomia macraeana C.DC., Peperomia magnoliifolia (Jacq.) A.Dietr., Peperomia mauiensis Wawra, Peperomia membranacea Hook. & Arn., Peperomia oahuensis C.DC., Peperomia obtusifolia (L.) A.Dietr., Peperomia remyi C.DC., Peperomia rockii C.DC., Peperomia sandwicensis Miq., Peperomia subpetiolata Yunck., Peperomia wheeleri Britton, Peraphyllum ramosissimum Nutt. ex Torr. & A.Gray, Pericome caudata A.Gray, Perideridia americana (Nutt. ex DC.) Rchb., Perideridia bacigalupii T.I.Chuang & Constance, Perideridia bolanderi (A.Gray) A.Nelson & J.F.Macbr., Perideridia californica (Torr.) A.Nelson & J.F.Macbr., Perideridia erythrorhiza (Piper) T.I.Chuang & Constance, Perideridia gairdneri (Hook. & Arn.) Mathias, Perideridia howellii (J.M.Coult. & Rose) Mathias, Perideridia lemmonii (J.M.Coult. & Rose) T.I.Chuang & Constance, Perideridia leptocarpa T.I.Chuang & Constance, Perityle aglossa A.Gray, Perityle ajoensis Todsen, Perityle ambrosiifolia Greene ex A.M.Powell & Yarb., Perityle angustifolia (A.Gray) Shinners, Perityle bisetosa (Torr. ex A.Gray) Shinners, Perityle cernua (Greene) Shinners, Perityle cinerea (A.Gray) A.M.Powell, Perityle cochisensis (Niles) A.M.Powell, Perityle congesta (M.E.Jones) Shinners, Perityle coronopifolia A.Gray, Perityle dissecta (Torr.) A.Gray, Perityle emoryi Torr., Perityle fosteri A.M.Powell, Perityle gilensis (M.E.Jones) J.F.Macbr., Perityle gracilis (M.E.Jones) Rydb., Perityle huecoensis A.M.Powell, Perityle inyoensis (Ferris) A.M.Powell, Perityle lemmonii (A.Gray) J.F.Macbr., Perityle megalocephala (S.Watson) J.F.Macbr., Perityle parryi A.Gray, Perityle quinqueflora (Steyerm.) Shinners, Perityle saxicola (Eastw.) Shinners, Perityle specuicola S.L.Welsh & Neese, Perityle stansburyi (A.Gray) J.F.Macbr., Perityle tenella (M.E.Jones) J.F.Macbr., Perityle villosa (S.F.Blake) Shinners, Perityle vitreomontana Warnock, Perityle warnockii A.M.Powell, Perrottetia sandwicensis A.Gray, Persea borbonia (L.) Spreng., Persea humilis Nash, Persea palustris (Raf.) Sarg., Persicaria hydropiperoides (Michx.) Small, Persicaria robustior (Small) E.P.Bicknell, Persicaria sagittata (L.) H.Gross, Petalonyx linearis Greene, Petalonyx nitidus S.Watson, Petalonyx parryi A.Gray, Petasites frigidus (L.) Fr., Petasites frigidus var. sagittatus (Banks ex Pursh) Chern., Petasites sagittatus (Banks ex Pursh) A.Gray, Peteria scoparia A.Gray, Peteria thompsoniae S.Watson, Petiveria alliacea L., Petradoria pumila (Nutt.) Greene, Petrophytum acuminatum Rydb., Petrophytum caespitosum (Nutt.) Rydb., Petrophytum cinerascens (Piper) Rydb., Petrophytum hendersonii (Canby) Rydb., Peucedanum sandwicense Hillebr., Peucephyllum schottii A.Gray, Phacelia adenophora J.T.Howell, Phacelia affinis A.Gray, Phacelia alba Rydb., Phacelia anelsonii J.F.Macbr., Phacelia argentea A.Nelson & J.F.Macbr., Phacelia argillacea N.D.Atwood, Phacelia argylensis N.D.Atwood & S.L.Welsh, Phacelia arizonica A.Gray, Phacelia austromontana J.T.Howell, Phacelia barnebyana J.T.Howell, Phacelia beatleyae Reveal & Constance, Phacelia bipinnatifida Michx., Phacelia breweri A.Gray, Phacelia calthifolia Brand, Phacelia campanularia A.Gray, Phacelia cephalotes A.Gray, Phacelia coerulea Greene, Phacelia congdonii Greene, Phacelia constancei N.D.Atwood, Phacelia cookei Constance & Heckard, Phacelia covillei S.Watson, Phacelia crenulata Torr. ex S.Watson, Phacelia cronquistiana S.L.Welsh, Phacelia cryptantha Greene, Phacelia curvipes Torr. ex S.Watson, Phacelia dalesiana J.T.Howell, Phacelia demissa A.Gray, Phacelia denticulata Osterh., Phacelia dubia (L.) Trel., Phacelia fimbriata Michx., Phacelia floribunda Greene, Phacelia formosula Osterh., Phacelia franklinii (R.Br.) A.Gray, Phacelia geraniifolia Brand, Phacelia gilioides Brand, Phacelia glaberrima (Torr. ex S.Watson) J.T.Howell, Phacelia glabra Nutt., Phacelia glandulosa Nutt., Phacelia glandulosa var. deserta (A.Nelson) Brand, Phacelia glechomifolia A.Gray, Phacelia grandiflora (Benth.) A.Gray, Phacelia greenei J.T.Howell, Phacelia grisea A.Gray, Phacelia gymnoclada Torr. ex S.Watson, Phacelia hastata Douglas ex Lehm., Phacelia hastata var. charlestonensis Cronquist, Phacelia heterophylla Pursh, Phacelia hirsuta Nutt., Phacelia howelliana N.D.Atwood, Phacelia idahoensis L.F.Hend., Phacelia incana Brand, Phacelia inconspicua Greene, Phacelia indecora J.T.Howell, Phacelia insularis Munz, Phacelia integrifolia Torr., Phacelia inundata J.T.Howell, Phacelia inyoensis (J.F.Macbr.) J.T.Howell, Phacelia ivesiana Torr., Phacelia ixodes Kellogg, Phacelia laxiflora J.T.Howell, Phacelia lemmonii A.Gray, Phacelia lenta Piper, Phacelia leonis J.T.Howell, Phacelia linearis (Pursh) Holz., Phacelia longipes Torr. ex A.Gray, Phacelia lyallii (A.Gray) Rydb., Phacelia lyonii A.Gray, Phacelia maculata Wood, Phacelia mammillarensis N.D.Atwood, Phacelia marcescens Eastw. ex J.F.Macbr., Phacelia minutissima L.F.Hend., Phacelia mollis J.F.Macbr., Phacelia monoensis Halse, Phacelia mustelina Coville, Phacelia nashiana Jeps., Phacelia neglecta M.E.Jones, Phacelia neomexicana Thurb. ex Torr., Phacelia novenmillensis Munz, Phacelia orogenes Brand, Phacelia pallida I.M.Johnst., Phacelia palmeri Torr. ex S.Watson, Phacelia parishii A.Gray, Phacelia peirsoniana J.T.Howell, Phacelia perityloides Coville, Phacelia phacelioides (Benth.) Brand, Phacelia platyloba A.Gray, Phacelia pringlei A.Gray, Phacelia pulchella A.Gray, Phacelia purshii Buckley, Phacelia rafaelensis N.D.Atwood, Phacelia ramosissima Douglas ex Lehm., Phacelia ranunculacea (Nutt.) Constance, Phacelia robusta (J.F.Macbr.) I.M.Johnst., Phacelia rotundifolia Torr. ex S.Watson, Phacelia salina (A.Nelson) J.T.Howell, Phacelia saxicola A.Gray, Phacelia scopulina (A.Nelson) J.T.Howell, Phacelia sericea (Graham) A.Gray, Phacelia serrata J.W.Voss, Phacelia splendens Eastw., Phacelia stebbinsii Constance & Heckard, Phacelia stellaris Brand, Phacelia strictiflora (Engelm. & A.Gray) A.Gray, Phacelia tanacetifolia Benth., Phacelia tetramera J.T.Howell, Phacelia thermalis Greene, Phacelia umbrosa Greene, Phacelia utahensis J.W.Voss, Phacelia vallicola Congdon ex Brand, Phacelia vallis-mortae J.W.Voss, Phacelia verna J.T.Howell, Phacelia viscida (Benth. ex Lindl.) Torr., Phacelia welshii N.D.Atwood, Phaeoceros carolinianus (Michx.) Prosk., Phaeoceros Prosk., Phaeoceros oreganus (Austin) Hässel, Phaeoceros pearsonii (M.Howe) Prosk., Phalacroseris bolanderi A.Gray, Phalaris angusta Nees ex Trin., Phalaris arundinacea L., Phalaris californica Hook. & Arn., Phalaris caroliniana Walter, Phanerophlebia auriculata Underw., Phanerophlebia umbonata Underw., Phanopyrum gymnocarpon (Elliott) Nash, Pharus lappulaceus Aubl., Phaseolus acutifolius A.Gray, Phaseolus filiformis Benth., Phaseolus parvulus Greene, Phaseolus polystachios (L.) Britton, Sterns & Poggenb., Phaseolus ritensis M.E.Jones, Phaseolus supinus Wiggins & Rollins, Phegopteris connectilis (Michx.) Watt, Phegopteris hexagonoptera (Michx.) Fée, Phemeranthus parviflorus (Nutt.) Kiger, Phemeranthus sediformis (Poelln.) Kiger, Philadelphus argenteus Rydb., Philadelphus argyrocalyx Wooton, Philadelphus crinitus (C.L.Hitchc.) S.Y.Hu, Philadelphus floridus Beadle, Philadelphus hirsutus Nutt., Philadelphus hitchcockianus S.Y.Hu, Philadelphus inodorus L., Philadelphus lewisii Pursh, Philadelphus madrensis Hemsl., Philadelphus mearnsii W.H.Evans ex Rydb., Philadelphus microphyllus A.Gray, Philadelphus occidentalis A.Nelson, Philadelphus pubescens Loisel., Philadelphus pumilus Rydb., Philadelphus serpyllifolius A.Gray, Philadelphus sharpianus S.Y.Hu, Philadelphus texensis S.Y.Hu, Philadelphus wootonii S.Y.Hu, Philadelphus zelleri S.Y.Hu, Philonotis capillaris Lindb., Philonotis cernua (Wilson) D.G.Griffin & W.R.Buck, Philonotis fontana (Hedw.) Brid., Philonotis longiseta (Michx.) E.Britton, Philonotis marchica (Hedw.) Brid., Philonotis sphaerocarpa (Hedw.) Brid., Philonotis yezoana Besch. & Cardot, Phippsia algida (Sol.) R.Br., Phippsia concinna (Th.Fr.) Lindeb., Phippsia neoarctica Á.Löve & D.Löve, Phlebodium aureum (L.) J.Sm., Phleum alpinum L., Phlox albomarginata M.E.Jones, Phlox alyssifolia Greene, Phlox amabilis Brand, Phlox amoena Sims, Phlox amplifolia Britton, Phlox andicola (Britton) E.E.Nelson, Phlox austromontana Coville, Phlox austromontana var. lutescens S.L.Welsh, Phlox bifida L.C.Beck, Phlox buckleyi Wherry, Phlox carolina L., Phlox caryophylla Wherry, Phlox cluteana A.Nelson, Phlox dispersa Sharsm., Phlox dolichantha A.Gray, Phlox drummondii Hook., Phlox floridana Benth., Phlox glaberrima L., Phlox gladiformis (M.E.Jones) E.E.Nelson, Phlox gracilis (Douglas ex Hook.) Greene, Phlox griseola Wherry, Phlox hendersonii (E.E.Nelson) Cronquist, Phlox hirsuta E.E.Nelson, Phlox hoodii Richardson, Phlox idahonis Wherry, Phlox jonesii Wherry, Phlox kelseyi Britton, Phlox latifolia Michx., Phlox longifolia Nutt., Phlox longipilosa Waterf., Phlox maculata L., Phlox missoulensis Wherry, Phlox mollis Wherry, Phlox multiflora A.Nelson, Phlox nivalis Lodd., Phlox oklahomensis Wherry, Phlox opalensis Dorn, Phlox paniculata L., Phlox pilosa L., Phlox pulchra (Wherry) Wherry, Phlox pulvinata (Wherry) Cronquist, Phlox pungens Dorn, Phlox richardsonii Hook., Phlox sibirica L., Phlox speciosa Pursh, Phlox stolonifera Sims, Phlox subulata L., Phlox tenuifolia E.E.Nelson, Phlox variabilis Brand, Phoebanthus grandiflora (Torr. & A.Gray) S.F.Blake, Phoebanthus tenuifolia (Torr. & A.Gray) S.F.Blake, Phoenicaulis cheiranthoides Nutt., Phoenix canariensis H.Wildpret, Pholisma arenarium Nutt., Pholisma sonorae (Torr. ex A.Gray) Yatsk., Pholistoma membranaceum (Benth.) Constance, Pholistoma racemosum (Nutt. ex A.Gray) Constance, Phoradendron californicum Nutt., Phoradendron capitellatum Torr. ex Trel., Phoradendron hawksworthii (Wiens) Wiens, Phoradendron leucarpum (Raf.) Reveal & M.C.Johnst., Phoradendron rubrum (L.) Griseb. ex Eichler, Phragmites australis (Cav.) Trin. ex Steud., Phryma leptostachya L., Phyla cuneifolia (Torr.) Greene, Phyla lanceolata (Michx.) Greene, Phyla nodiflora (L.) Greene, Phyla stoechadifolia Linnaeus, 1753, Phyllanthopsis phyllanthoides (Nutt.) Voronts. & Petra Hoffm., Phyllanthus caroliniensis Walter, Phyllanthus ericoides Torr., Phyllanthus niruri L., Phyllanthus pentaphyllus C.Wright ex Griseb., Phyllanthus polygonoides Nutt. ex Spreng., Phyllanthus pudens L.C.Wheeler, Phyllodoce caerulea (L.) Bab., Phyllodoce empetriformis (Sm.) D.Don, Phyllodoce glanduliflora (Hook.) Coville, Phyllospadix serrulatus Rupr. ex Asch., Phyllospadix torreyi S.Watson, Phyllostegia ambigua (A.Gray) Hillebr., Phyllostegia bracteata Sherff, Phyllostegia brevidens A.Gray, Phyllostegia electra C.N.Forbes, Phyllostegia floribunda Benth., Phyllostegia glabra (Gaudich.) Benth., Phyllostegia grandiflora (Gaudich.) Benth., Phyllostegia helleri Sherff, Phyllostegia hirsuta Benth., Phyllostegia hispida Hillebr., Phyllostegia imminuta (Sherff) H.St.John, Phyllostegia kaalaensis H.St.John, Phyllostegia knudsenii Hillebr., Phyllostegia lantanoides Sherff, Phyllostegia macrophylla (Gaudich.) Benth., Phyllostegia mannii Sherff, Phyllostegia mollis Benth., Phyllostegia parviflora (Gaudich.) Benth., Phyllostegia racemosa Benth., Phyllostegia stachyoides A.Gray, Phyllostegia velutina (Sherff) H.St.John, Phyllostegia vestita Benth., Phyllostegia waimeae Wawra, Phyllostegia warshaueri H.St.John, Phyllostegia wawrana Sherff, Physalis acutifolia (Miers) Sandwith, Physalis angustifolia Nutt., Physalis arenicola Kearney, Physalis carpenteri Riddell ex Rydb., Physalis caudella Standl., Physalis cinerascens (Dunal) Hitchc., Physalis cordata Mill., Physalis crassifolia Benth., Physalis grisea (Waterf.) M.Martínez, Physalis hederifolia A.Gray, Physalis heterophylla Nees, Physalis hispida (Waterf.) Cronquist, Physalis lanceolata Michx., Physalis longifolia Nutt., Physalis macrosperma Pyne, E.L.Bridges & Orzell, Physalis missouriensis Mack. & Bush, Physalis pubescens L., Physalis pumila Nutt., Physalis turbinata Medik., Physalis virginiana Mill., Physalis walteri Nutt., Physaria acutifolia Rydb., Physaria acutifolia var. purpurea S.L.Welsh & Reveal, Physaria alpestris Suksd., Physaria alpina Rollins, Physaria bellii G.A.Mulligan, Physaria brassicoides Rydb., Physaria carinata (Rollins) O'Kane & Al-Shehbaz, Physaria carinata subsp. paysonii (Rollins) O'Kane, Physaria chambersii Rollins, Physaria chambersii var. canaani S.L.Welsh, 2003, Physaria chambersii var. sobolifera S.L.Welsh, Physaria condensata Rollins, Physaria didymocarpa (Hook.) A.Gray, Physaria didymocarpa var. lanata A.Nelson, Physaria didymocarpa var. lyrata C.L.Hitchc., Physaria dornii Lichvar, Physaria douglasii (S.Watson) O'Kane & Al-Shehbaz, Physaria eburniflora Rollins, Physaria floribunda Rydb., Physaria geyeri (Hook.) A.Gray, Physaria grahamii C.V.Morton ex E.H.Graham, Physaria hitchcockii (Munz) O'Kane & Al-Shehbaz, Physaria hitchcockii subsp. rubicundula (Rollins) O'Kane & Al-Shehbaz, Physaria hitchcockii var. confluens (Maguire & A.H.Holmgren) N.H.Holmgren, Physaria hitchcockii var. hitchcockii, Physaria integrifolia (Rollins) Lichvar, Physaria integrifolia var. monticola Lichvar, Physaria lepidota Rollins, Physaria lepidota var. lepidota, Physaria lepidota var. membranacea (Rollins) Rollins, Physaria newberryi A.Gray, Physaria newberryi var. racemosa Rollins, Physaria obcordata Rollins, Physaria occidentalis var. cinerascens (Maguire & A.H.Holmgren) S.L.Welsh, Physaria pulvinata O'Kane & Reveal, Physaria repanda Rollins, Physaria rollinsii G.A.Mulligan, Physaria saximontana Rollins, Physaria scrotiformis O'Kane, Physaria stylosa Rollins, Physaria tumulosa (Barneby) O'Kane & Al-Shehbaz, Physaria vitulifera Rydb., Physcomitrella patens (Hedw.) Bruch & Schimp., Physcomitrium collenchymatum Gier, Physcomitrium hookeri Hampe, Physcomitrium immersum Sull., Physcomitrium pyriforme (Hedw.) Hampe, Physocarpus alternans (M.E.Jones) J.T.Howell, Physocarpus capitatus (Pursh) Kuntze, Physocarpus malvaceus (Greene) Kuntze, Physocarpus monogynus (Torr.) Kuntze, Physocarpus opulifolius (L.) Maxim., Physostegia angustifolia Fernald, Physostegia correllii (Lundell) Shinners, Physostegia godfreyi P.D.Cantino, Physostegia intermedia (Nutt.) Engelm. & A.Gray, Physostegia ledinghamii (B.Boivin) P.D.Cantino, Physostegia leptophylla Small, Physostegia longisepala P.D.Cantino, Physostegia parviflora Nutt. ex A.Gray, Physostegia purpurea (Walter) S.F.Blake, Physostegia virginiana (L.) Benth., Phytolacca sandwicensis Endl., Picea breweriana S.Watson, Picea engelmannii Parry ex Engelm., Picea glauca (Moench) Voss, Picea mariana (Mill.) Britton et al., Picea pungens Engelm., Picea pungens Engelm., Picea rubens Sarg., Picradeniopsis oppositifolia (Nutt.) Rydb., Picradeniopsis woodhousei (A.Gray) Rydb., Picramnia pentandra Sw., Picris hieracioides L., Picrothamnus desertorum Nutt., Pieris floribunda (Pursh) Benth. ex Hook., Pieris phillyreifolia (Hook.) DC., Pilea fontana (Lunell) Rydb., Pilea microphylla (L.) Liebm., Pilea multicaulis Urb., Pilea peploides (Gaudich.) Hook. & Arn., Pilea pumila (L.) A.Gray, Pilea yunquensis (Urb.) Britton & P.Wilson, Piloblephis rigida (W.Bartram ex Benth.) Raf., Pilophorus acicularis (Ach.) Th.Fr., Pilosium chlorophyllum C.Müller, 1897, Pilosocereus robinii (Lem.) Byles & G.D.Rowley, Pilostyles thurberi A.Gray, Pilularia americana A.Braun, Pinaropappus parvus S.F.Blake, Pinaropappus roseus (Less.) Less., Pinckneya bracteata Raf., Pinguicula caerulea Walter, Pinguicula ionantha R.K.Godfrey, Pinguicula lutea Walter, Pinguicula macroceras Pall. ex Link, Pinguicula planifolia Chapm., Pinguicula primuliflora C.E.Wood & R.K.Godfrey, Pinguicula pumila Michx., Pinguicula villosa L., Pinguicula vulgaris L., Pinus albicaulis Engelm., Pinus albicaulis Engelm., Pinus aristata Engelm., Pinus arizonica Engelm., Pinus banksiana Lamb., Pinus clausa (Chapm. ex Engelm.) Sarg., Pinus contorta Douglas ex Loudon, Pinus echinata Mill., Pinus edulis Engelm., Pinus engelmannii Carrière, Pinus flexilis E.James, Pinus leiophylla Schiede ex Schltdl. & Cham., Pinus longaeva D.K.Bailey, Pinus monticola Douglas ex D.Don, Pinus palustris Mill., Pinus ponderosa Douglas ex C.Lawson, Pinus ponderosa Douglas ex C.Lawson, Pinus ponderosa subsp. washoensis (Mason & Stockw.) E.Murray, Pinus pungens Lamb., Pinus radiata D.Don, Pinus resinosa Aiton, Pinus rigida Mill., Pinus sabiniana Douglas ex D.Don, Pinus serotina Michx., Pinus strobus L., Pinus taeda L., Pinus torreyana Parry ex Carrière, Pinus virginiana Mill., Pinus washoensis Mason & Stockw., Piperia candida Rand.Morgan & Ackerman, Piperia cooperi (S.Watson) Rydb., Piperia elongata Rydb., Piperia michaelii (Greene) Rydb., Piperia transversa Suksd., Piperia unalascensis (Spreng.) Rydb., Piperia yadonii Rand.Morgan & Ackerman, Piptatherum canadense (Poir.) Dorn, Piptatherum exiguum (Thurb.) Dorn, Piptatherum micranthum (Trin. & Rupr.) Barkworth, Piptatherum racemosum (Sm.) Barkworth, Piptochaetium avenaceum (L.) Parodi, Pipturus albidus (Hook. & Arn.) A.Gray ex H.Mann, Pipturus forbesii Krajina, Pipturus kauaiensis A.Heller, Pipturus ruber A.Heller, Piscidia piscipula (L.) Sarg., Pisonia aculeata L., Pisonia brunoniana A.Cunn. ex Choisy, 1849, Pisonia L., Pisonia horneae Trejo & Caraballo, Pisonia rotundata Griseb., Pisonia sandwicensis Hillebr., Pisonia taina Trejo, Pisonia umbellifera (J.Forst. & G.Forst.) Seem., Pisonia wagneriana Fosberg, Pistia stratiotes L., Pithecellobium unguis-cati (L.) Benth., Pittosporum argentifolium Sherff, Pittosporum confertiflorum A.Gray, Pittosporum flocculosum (Hillebr.) Sherff, Pittosporum gayanum Rock, Pittosporum glabrum Hook. & Arn., Pittosporum hawaiiense Hillebr., Pittosporum hosmeri Rock, Pittosporum kauaiense Hillebr., Pittosporum napaliense Sherff, Pittosporum terminalioides Planch. ex A.Gray, Pityopsis aspera (A.Gray) Small, Pityopsis falcata (Pursh) Nutt., Pityopsis flexuosa (Nash) Small, Pityopsis graminifolia (Michx.) Nutt., Pityopsis oligantha (Chapm.) Small, Pityopsis pinifolia (Elliott) Nutt., Pityopsis ruthii (Small) Small, Pityopus californica (Eastw.) H.F.Copel., Plagiobothrys arizonicus (A.Gray) Greene ex A.Gray, Plagiobothrys austiniae (Greene) I.M.Johnst., Plagiobothrys chorisianus (Cham.) I.M.Johnst., Plagiobothrys distantiflorus (Piper) I.M.Johnst., Plagiobothrys figuratus (Piper) I.M.Johnst., Plagiobothrys glomeratus A.Gray, Plagiobothrys glyptocarpus (Piper) I.M.Johnst., Plagiobothrys greenei (A.Gray) I.M.Johnst., Plagiobothrys hirtus (Greene) I.M.Johnst., Plagiobothrys humistratus (Greene) I.M.Johnst., Plagiobothrys hystriculus (Piper) I.M.Johnst., Plagiobothrys jonesii A.Gray, Plagiobothrys leptocladus (Greene) I.M.Johnst., Plagiobothrys orientalis (L.) I.M.Johnst., Plagiobothrys parishii I.M.Johnst., Plagiobothrys pringlei Greene, Plagiobothrys salsus (Brandegee) I.M.Johnst., Plagiobothrys scouleri (Hook. & Arn.) I.M.Johnst., Plagiobothrys scriptus (Greene) I.M.Johnst., Plagiobothrys shastensis Greene ex A.Gray, Plagiobothrys strictus (Greene) I.M.Johnst., Plagiobothrys tenellus (Nutt. ex Hook.) A.Gray, Plagiobothrys trachycarpus (A.Gray) I.M.Johnst., Plagiobothrys uncinatus J.T.Howell, Plagiobryoides vinosula (Cardot) J.R.Spence, Plagiobryum demissum (Hook.) Lindb., Plagiobryum zierii Lindberg, 1863, Plagiochasma cuneatum A.Evans, Plagiochasma intermedium Lindenb. & Gottsche, Plagiochasma wrightii Sull., Plagiochila appalachiana Inoue, Plagiochila aspleniformis R.M.Schust., Plagiochila austinii A.Evans, Plagiochila caduciloba H.L.Blomq., Plagiochila echinata R.M.Schust., Plagiochila exigua (Taylor) Taylor, Plagiochila floridana A.Evans, Plagiochila gracilis Lindenb. & Gottsche, Plagiochila invisa (R.M.Schust.) R.M.Schust., Plagiochila micropteryx Gottsche, Plagiochila patula (Sw.) Nees & Mont. ex Lindenb., Plagiochila porelloides (Torr. ex Nees) Lindenb., Plagiochila punctata (Taylor) Taylor, Plagiochila raddiana Lindenb., Plagiochila retrorsa Gottsche, Plagiochila sciophila Nees, Plagiochila semidecurrens (Lehm. & Lindenb.) Lehm. & Lindenb., Plagiochila sullivantii Gottsche, Plagiochila undata Sull., Plagiochila virginica A.Evans, Plagiomnium carolinianum T.Koponen, 1977, Plagiomnium ciliare T.Koponen, 1968, Plagiomnium cuspidatum T.Koponen, 1968, Plagiomnium drummondii T.Koponen, 1968, Plagiomnium ellipticum T.Koponen, 1971, Plagiomnium insigne T.Koponen, 1968, Plagiomnium medium T.Koponen, 1968, Plagiomnium rostratum T.Koponen, 1968, Plagiopus oederianus (Sw.) H.A.Crum & L.E.Anderson, Plagiothecium cavifolium (Brid.) Z.Iwats., Plagiothecium denticulatum (Hedw.) Schimp., Plagiothecium laetum Schimp., Plagiothecium latebricola Schimp., Plagiothecium piliferum (Sw.) Schimp., Planera aquatica J.F.Gmel., Plantago canescens Adams, Plantago cordata Lam., Plantago elongata Pursh, Plantago eriopoda Torr., Plantago hawaiensis (A.Gray) Pilg., Plantago heterophylla Nutt., Plantago macrocarpa Cham. & Schltdl., Plantago maritima L., Plantago pachyphylla A.Gray, Plantago patagonica Jacq., Plantago princeps Cham. & Schltdl., Plantago pusilla Nutt., Plantago rhodosperma Decne., Plantago rugelii Decne., Plantago sparsiflora Michx., Plantago tweedyi A.Gray, Plantago wrightiana Decne., Platanthera blephariglottis (Willd.) Lindl., Platanthera chapmanii (Small) Luer, Platanthera chorisiana (Cham.) Rchb.f., Platanthera ciliaris (L.) Lindl., Platanthera clavellata (Michx.) Luer, Platanthera cristata (Michx.) Lindl., Platanthera dilatata (Pursh) Lindl. ex L.C.Beck, Platanthera flava (L.) Lindl., Platanthera grandiflora (Bigelow) Lindl., Platanthera holochila (Hillebr.) Kraenzl., Platanthera hookeri (Torr.) Lindl., Platanthera hyperborea (L.) Lindl., Platanthera integra (Nutt.) A.Gray ex L.C.Beck, Platanthera integrilabia (Correll) Luer, Platanthera lacera (Michx.) G.Don, Platanthera leucophaea (Nutt.) Lindl., Platanthera nivea (Nutt.) Luer, Platanthera obtusata (Banks ex Pursh) Lindl., Platanthera orbiculata (Pursh) Lindl., Platanthera peramoena A.Gray, Platanthera praeclara Sheviak & M.L.Bowles, Platanthera psycodes (L.) Lindl., Platanthera purpurascens (Rydb.) Sheviak & W.F.Jenn., Platanthera shriveri P.M.Br., Platanthera sparsiflora (S.Watson) Schltr., Platanthera sparsiflora var. ensifolia (Rydb.) Luer, Platanthera stricta Lindl., Platanthera tipuloides (L.f.) Lindl., Platanthera ×channellii Folsom, Platanthera ×keenanii P.M.Br., Platanthera media (Rydb.) Luer, Platanthera zothecina (L.C.Higgins & S.L.Welsh) Kartesz & Gandhi, Platanus occidentalis L., Platydesma cornuta Hillebr., Platydesma remyi (Sherff) O.Deg., I.Deg., Sherff & Stone, Platydesma rostrata Hillebr., Platydesma spathulata (A.Gray) Skottsb., Platydictya confervoides (Brid.) H.A.Crum, Platydictya jungermannioides (Brid.) H.A.Crum, Platydictya minutissima (Sull. & Lesq.) H.A.Crum, Platydictya subtilis (Hedw.) H.A.Crum, Platygyrium repens (Brid.) Schimp., Platylomella lescurii (Sull.) A.L.Andrews, Platyschkuhria integrifolia (A.Gray) Rydb., Platystemon californicus Benth., Platythelys querceticola (Lindl.) Garay, Plectritis macrocera Torr. & A.Gray, Pleea tenuifolia Michx., Pleodendron macranthum (Baill.) Tiegh., Pleomele aurea (H.Mann) N.E.Br., Pleomele auwahiensis H.St.John, Pleomele fernaldii H.St.John, Pleomele forbesii O.Deg., Pleomele halapepe H.St.John, Pleomele hawaiiensis O.Deg. & I.Deg., Pleopeltis astrolepis (Liebm.) E.Fourn., Pleopeltis polypodioides (L.) E.G.Andrews & Windham, Pleradenophora bilocularis (S.Watson) Esser & A.L.Melo, Pleuraphis jamesii Torr., Pleuraphis mutica Buckley, Pleuraphis rigida Thurb., Pleuricospora fimbriolata A.Gray, Pleuridium acuminatum Lindb., Pleuridium ravenelii Austin, Pleuridium subulatum (Hedw.) Rabenh., Pleuridium sullivantii Austin, Pleurochaete luteola (Besch.) Thér., Pleuropogon hooverianus (G.T.Benson) Howell, Pleuropogon sabinei R.Br., Pleurothallis gelida Lindl., Pleurozium schreberi (Willd. ex Brid.) Mitt., Pluchea camphorata (L.) DC., Pluchea foetida (L.) DC., Pluchea longifolia Nash, Pluchea odorata (L.) Cass., Pluchea rosea R.K.Godfrey, Pluchea sericea (Nutt.) Coville, Plumbago zeylanica L., Pneumatopteris hudsoniana (Brack.) Holttum, Pneumatopteris sandwicensis (Brack.) Holttum, Poa abbreviata R.Br., Poa abbreviata subsp. marshii Soreng, Poa alpina L., Poa alsodes A.Gray, Poa arachnifera Torr., Poa arctica R.Br., Poa atropurpurea Scribn., Poa autumnalis Muhl. ex Elliott, Poa bigelovii Vasey ex Scribn., Poa bolanderi Vasey, Poa chapmaniana Scribn., Poa curta Rydb., Poa curtifolia Scribn., Poa cusickii Vasey, Poa cuspidata Nutt., Poa eminens J.Presl, Poa fendleriana (Steud.) Vasey, Poa flexuosa Sm., Poa glauca Vahl, Poa hartzii Gand., Poa laxa Haenke, Poa laxiflora Buckley, Poa leptocoma Trin., Poa lettermanii Vasey, Poa macrantha Vasey, Poa mannii Munro ex Hillebr., Poa napensis Beetle, Poa nervosa (Hook.) Vasey, Poa paludigena Fernald & Wiegand, Poa palustris L., Poa piperi Hitchc., Poa porsildii Gjaerev., Poa pratensis L., Poa pringlei Scribn., Poa pseudoabbreviata Roshev., Poa reflexa Vasey & Scribn., Poa rhizomata Hitchc., Poa saltuensis Fernald & Wiegand, Poa sandvicensis (Reichardt) Hitchc., Poa secunda J.Presl, Poa sierrae J.T.Howell, Poa siphonoglossa Hack., Poa stenantha Trin., Poa strictiramea Hitchc., Poa sublanata Reverd., Poa suksdorfii (Beal) Piper, Poa sylvestris A.Gray, Poa tenerrima Scribn., Poa tolmatchewii Roshev., Poa unilateralis Scribn. ex Vasey, Poa wheeleri Vasey, Poa wolfii Scribn., Podistera eastwoodiae (Rose ex J.M.Coult. & Rose) Mathias & Constance, Podistera macounii (J.M.Coult. & Rose) Mathias & Constance, Podistera yukonensis Mathias & Constance, Podophyllum peltatum L., Podostemum ceratophyllum Michx., Pogogyne abramsii J.T.Howell, Pogogyne clareana J.T.Howell, Pogogyne floribunda Jokerst, Pogogyne nudiuscula A.Gray, Pogogyne serpylloides (Torr.) A.Gray, Pogonatum brachyphyllum (Michx.) P.Beauv., Pogonatum dentatum (Menzies ex Brid.) Brid., Pogonatum urnigerum (Hedw.) P.Beauv., Pogonia ophioglossoides (L.) Ker Gawl., Pohlia andalusica (Höhn.) Broth., Pohlia andrewsii A.J.Shaw, Pohlia annotina (Hedw.) Lindb., Pohlia atropurpurea (Wahlenb.) H.Lindb., Pohlia beringiensis A.J.Shaw, Pohlia bolanderi (Lesq.) Broth., Pohlia brevinervis Lindb. & Arnell, Pohlia bulbifera (Warnst.) Warnst., Pohlia camptotrachela (Renauld & Cardot) Broth., Pohlia cardotii (Renauld) Broth., Pohlia columbica (Kindb.) A.L.Andrews, Pohlia cruda (Hedw.) Lindb., Pohlia crudoides (Sull. & Lesq.) Broth., Pohlia drummondii (Müll.Hal.) A.L.Andrews, Pohlia elongata Hedw., Pohlia erecta Lindb., Pohlia filum (Schimp.) Mårtensson, Pohlia flexuosa Hook., Pohlia lescuriana (Sull.) Ochi, Pohlia longibracteata Broth., Pohlia longicolla (Hedw.) Lindb., Pohlia ludwigii (Spreng. ex Schwägr.) Broth., Pohlia melanodon (Brid.) A.J.Shaw, Pohlia nutans (Hedw.) Lindb., Pohlia obtusifolia (Vill. ex Brid.) L.F.Koch, Pohlia pacifica A.J.Shaw, Pohlia proligera (Kindb.) Lindb. ex Broth., Pohlia rabunbaldensis A.J.Shaw, Pohlia robertsonii Shevock & A.J.Shaw, Pohlia tundrae A.J.Shaw, Pohlia vexans (Limpr.) H.Lindb., Pohlia wahlenbergii (F.Weber & D.Mohr) A.L.Andrews, Polanisia dodecandra (L.) DC., Polanisia erosa (Nutt.) Iltis, Polanisia jamesii (Torr. & A.Gray) Iltis, Polanisia tenuifolia Leconte ex Torr. & A.Gray, Polemonium boreale Adams, Polemonium brandegeei (A.Gray) Greene, Polemonium californicum Eastw., Polemonium carneum A.Gray, Polemonium chartaceum H.Mason, Polemonium eddyense Stubbs, Polemonium elegans Greene, Polemonium elusum J.J.Irwin & R.L.Hartm., Polemonium eximium Greene, Polemonium foliosissimum A.Gray, Polemonium micranthum Benth., Polemonium nevadense Wherry, Polemonium occidentale Greene, Polemonium pauciflorum S.Watson, Polemonium pectinatum Greene, Polemonium pulcherrimum Hook., Polemonium pulcherrimum var. pulcherrimum, Polemonium reptans L., Polemonium vanbruntiae Britton, Polemonium viscosum Nutt., Poliomintha glabrescens A.Gray ex Hemsl., Poliomintha incana (Torr.) A.Gray, Polyctenium fremontii (S.Watson) Greene, Polyctenium williamsiae Rollins, Polygala acanthoclada A.Gray, Polygala alba Nutt., Polygala balduinii Nutt., Polygala boykinii Nutt., Polygala brevifolia Nutt., Polygala chapmanii Torr. & A.Gray, Polygala crenata C.W.James, Polygala cruciata L., Polygala curtissii A.Gray, Polygala cymosa Walter, Polygala glochidiata Kunth, Polygala grandiflora Willd. ex A.W.Benn., 1874, Polygala heterorhyncha (Barneby) T.Wendt, Polygala hookeri Torr. & A.Gray, Polygala incarnata L., Polygala intermontana T.Wendt, Polygala L., Polygala leptostachys Shuttlew. ex A.Gray, Polygala lewtonii Small, Polygala lindheimeri A.Gray, Polygala lutea L., Polygala macradenia A.Gray, Polygala maravillasensis Correll, Polygala mariana Mill., Polygala nana (Michx.) DC., Polygala nudata Brandegee, Polygala nuttallii Torr. & A.Gray, Polygala palmeri S.Watson, Polygala paucifolia Willd., Polygala piliophora S.F.Blake, Polygala polygama Walter, Polygala rimulicola Steyerm., Polygala rusbyi Greene, Polygala sanguinea L., Polygala senega L., Polygala setacea Michx., Polygala smallii R.R.Sm. & D.B.Ward, Polygala subspinosa S.Watson, Polygala verticillata L., Polygala verticillata var. isocycla Fernald, Polygala watsonii Chodat, Polygonatum biflorum (Walter) Elliott, Polygonatum cobrense (Wooton & Standl.) R.R.Gates, Polygonatum pubescens (Willd.) Pursh, Polygonella americana (Fisch. & C.A.Mey.) Small, Polygonella articulata (L.) Meisn., Polygonella basiramia (Small) G.L.Nesom & V.M.Bates, Polygonella gracilis (Nutt.) Meisn., Polygonella macrophylla Small, Polygonella myriophylla (Small) Horton, Polygonella parksii Cory, Polygonella polygama (Vent.) Engelm. & A.Gray, Polygonum achoreum S.F.Blake, Polygonum amphibium L., Polygonum L., Polygonum L., Polygonum boreale (Lange) Small, Polygonum buxiforme Small, Polygonum careyi Olney, Polygonum caurianum B.L.Rob., Polygonum L., Polygonum douglasii Greene, Polygonum erectum L., Polygonum fowleri Rob., Polygonum franktonii S.J.Wolf & Mc Neill, Polygonum gabrielae Costea & Tardif, Polygonum glaucum Nutt., Polygonum heterosepalum M.Peck & Ownbey, Polygonum hickmanii H.R.Hinds & Rand.Morgan, Polygonum hirsutum Hook.f., 1886, Polygonum hudsonianum (S.J.Wolf & Mc Neill) H.R.Hinds, Polygonum L., Polygonum leptocarpum B.L.Rob., Polygonum marinense T.R.Mert. & P.H.Raven, Polygonum meisnerianum Cham. & Schltdl., Polygonum minimum S.Watson, Polygonum paronychia Cham. & Schltdl., Polygonum parryi Greene, Polygonum pensylvanicum Curtis, Polygonum polygaloides Meisn., Polygonum punctatum Kit., 1864, Polygonum raii Bab., Polygonum ramosissimum Michx., Polygonum L., Polygonum striatulum Rob., Polygonum tenue Michx., Polygonum virginianum L., Polygonum L., Polymnia canadensis L., Polymnia cossatotensis Pittman & V.M.Bates, Polymnia laevigata Beadle, Polypodium appalachianum Haufler & Windham, Polypodium glycyrrhiza D.C.Eaton, Polypodium hesperium Maxon, Polypodium saximontanum Windham, Polypodium sibiricum Sipliv., Polypodium virginianum L., Polypogon elongatus Kunth, Polypogon interruptus Kunth, Polypremum procumbens L., Polystachya concreta (Jacq.) Garay & H.R.Sweet, Polystichum acrostichoides (Michx.) Schott, Polystichum aleuticum C.Chr., Polystichum andersonii Hopkins, Polystichum braunii (Spenn.) Fée, Polystichum calderonense Proctor, Polystichum californicum (D.C.Eaton) Diels, Polystichum dudleyi Maxon, Polystichum haleakalense Brack., Polystichum hillebrandii Carruth., Polystichum imbricans (D.C.Eaton) D.H.Wagner, Polystichum kruckebergii W.H.Wagner, Polystichum lemmonii Underw., Polystichum lonchitis (L.) Roth, Polystichum microchlamys (Christ) Matsum., Polystichum munitum (Kaulf.) C.Presl, Polystichum scopulinum (D.C.Eaton) Maxon, Polystichum setigerum (C.Presl) C.Presl, Polytaenia nuttallii DC., Polytrichastrum alpinum G.L.Smith, 1971, Polytrichastrum appalachianum (L.E.Anderson) G.L.Merr., Polytrichastrum formosum (Hedw.) G.L.Sm., Polytrichastrum longisetum (Sw. ex Brid.) G.L.Sm., Polytrichastrum ohioense G.L.Smith, 1971, Polytrichastrum pallidisetum G.L.Smith, 1971, Polytrichastrum sexangulare (Flörke ex Brid.) G.L.Sm., Polytrichum commune Hedw., Polytrichum hyperboreum R.Br., Polytrichum jensenii I.Hagen, Polytrichum juniperinum Hedw., Polytrichum piliferum Hedw., Polytrichum strictum Menzies ex Brid., Polytrichum swartzii Hartm., Pontederia cordata L., Ponthieva brittoniae Ames, Ponthieva racemosa (Walter) C.Mohr, Populus angustifolia E.James, Populus balsamifera L., Populus balsamifera subsp. trichocarpa (Torr. & A.Gray ex Hook.) Brayshaw, Populus deltoides W.Bartram ex Marshall, Populus fremontii S.Watson, Populus grandidentata Michx., Populus heterophylla L., Populus tremuloides Michx., Populus ×acuminata Rydb., Populus ×smithii B.Boivin, Porella bolanderi (Austin) Pearson, Porella fauriei (Steph.) S.Hatt., Porella pinnata L., Porella platyphylla (L.) Pfeiff., Porophyllum gracile Benth., Porophyllum pygmaeum D.J.Keil & Morefield, Porophyllum ruderale (Jacq.) Cass., Porotrichum bigelovii (Sull.) Kindb., Porterella carnosula (Hook. & Arn.) Torr., Portulaca biloba Urb., Portulaca halimoides L., Portulaca lutea So I. ex Seem., Portulaca molokiniensis Hobdy, Portulaca pilosa L., Portulaca sclerocarpa A.Gray, Portulaca smallii P.Wilson, Portulaca umbraticola Kunth, Portulaca villosa Cham., Potamogeton alpinus Balb., Potamogeton amplifolius Tuck., Potamogeton bicupulatus Fernald, Potamogeton clystocarpus Fernald, Potamogeton confervoides Rchb., Potamogeton diversifolius Raf., Potamogeton epihydrus Raf., Potamogeton floridanus Small, Potamogeton foliosus Raf., Potamogeton foliosus var. fibrillosus (Fernald) R.R.Haynes & Reveal, Potamogeton friesii Rupr., Potamogeton gramineus L., Potamogeton hillii Morong, Potamogeton illinoensis Morong, Potamogeton ×methyensis (A.Benn.) A.Benn., Potamogeton natans L., Potamogeton nodosus Poir., Potamogeton oakesianus J.W.Robbins, Potamogeton oblongus Hegetschw., Potamogeton obtusifolius Mert. & W.D.J.Koch, Potamogeton perfoliatus L., Potamogeton praelongus Wulfen, Potamogeton pulcher Tuck., Potamogeton pusillus L., Potamogeton richardsonii (A.Benn.) Rydb., Potamogeton robbinsii Oakes, Potamogeton spirillus Tuck., Potamogeton strictifolius A.Benn., Potamogeton subsibiricus Hagstr., Potamogeton tennesseensis Fernald, Potamogeton vaseyi J.W.Robbins, Potamogeton ×hagstroemii A.Bennett, Potamogeton ×ogdenii Hellq. & R.L.Hilton, Potamogeton ×rectifolius A.Benn., Potamogeton ×spathuliformis (J.W.Robbins) Morong, Potamogeton zosteriformis Fernald, Potentilla albiflora L.O.Williams, Potentilla ambigens Greene, Potentilla angelliae N.H.Holmgren, Potentilla anserina Jeps., Potentilla arenosa (Turcz.) Juz., Potentilla arizonica Greene, Potentilla basaltica Tiehm & Ertter, Potentilla bicrenata Rydb., Potentilla biennis Greene, Potentilla biflora D.F.K.Schltdl., Potentilla bimundorum Soják, Potentilla bipinnatifida Douglas ex Hook., Potentilla brevifolia Nutt. ex Torr. & A.Gray, Potentilla breweri S.Watson, Potentilla brunnescens Rydb., Potentilla canadensis L., Potentilla concinna Richardson, Potentilla cottamii N.H.Holmgren, Potentilla crantzii (Crantz) Beck, Potentilla crinita A.Gray, Potentilla cristae Ferlatte & Strother, Potentilla demotica Ertter, Potentilla drummondii Lehm., Potentilla effusa Douglas ex Lehm., Potentilla elegans Cham. & Schltdl., Potentilla flabellifolia Hook. ex Torr. & A.Gray, Potentilla fragiformis Willd. ex D.F.K.Schltdl., Potentilla furcata A.E.Porsild, Potentilla glaucophylla Lehm., Potentilla gracilis Douglas, Potentilla grayi S.Watson, Potentilla hickmanii Eastw., Potentilla hippiana Lehm., Potentilla holmgrenii D.F.Murray & Elven, Potentilla hyparctica Malte, Potentilla jepsonii Ertter, Potentilla johnstonii Soják, Potentilla lasiodonta Rydb., Potentilla litoralis Rydb., Potentilla macounii Rydb., Potentilla modesta Rydb., Potentilla morefieldii Ertter, Potentilla multisecta (S.Watson) Rydb., Potentilla newberryi A.Gray, Potentilla nivea L., Potentilla ovina Macoun, Potentilla palustris (L.) Scop., Potentilla paucijuga Rydb., Potentilla pensylvanica L., Potentilla plattensis Nutt., Potentilla pulchella R.Br., Potentilla pulcherrima Lehm., Potentilla rhyolitica Ertter, Potentilla rimicola (Munz & I.M.Johnst.) Ertter, Potentilla rivalis Nutt. ex Torr. & A.Gray, Potentilla robbinsiana Oakes ex Torr. & A.Gray, Potentilla rubricaulis Lehm., Potentilla rupincola Osterh., Potentilla sanguinea Rydb., Potentilla saximontana Rydb., Potentilla sierrae-blancae Wooton & Rydb. ex Rydb., Potentilla simplex Michx., Potentilla stipularis L., Potentilla subgorodkovii Jurtzev, Potentilla subjuga Rydb., Potentilla subvahliana Jurtzev, Potentilla supina L., Potentilla thurberi A.Gray ex Lehm., Potentilla uniflora Ledeb., Potentilla vahliana Lehm., Potentilla versicolor Rydb., Potentilla villosa Pall. ex Pursh, Potentilla ×villosula Jurtzev, Potentilla wheeleri S.Watson, Poteridium annuum (Nutt. ex Hook.) Spach, Poteridium occidentale (Nutt. ex Torr. & A.Gray) Rydb., Pouteria sandwicensis (A.Gray) Baehni & O.Deg., Prasanthus suecicus (Gottsche) Lindb., Prenanthella exigua (A.Gray) Rydb., Prenanthes alata (Hook.) A.Dietr., Prenanthes L., Prenanthes L., Prenanthes L., Prenanthes autumnalis Walter, Prenanthes barbata (Torr. & A.Gray) Milstead ex Cronquist, 1977, Prenanthes boottii (DC.) A.Gray, 1884, Prenanthes carrii Singhurst, O'Kennon & W.C.Holmes, Prenanthes crepidinea Elliott, Prenanthes nana (Bigelow) Torr., Prenanthes L., Prenanthes roanensis (Chick.) Chick., Prenanthes sagittata Tjitrosoedirdjo, 2002, Prenanthes serpentaria Pursh, Prescotia oligantha (Sw.) Lindl., Primula alcalina Cholewa & D.M.Hend., Primula anvilensis S.Kelso, Primula borealis Duby, Primula capillaris N.H.Holmgren & A.H.Holmgren, Primula cuneifolia Ledeb., Primula cusickiana (A.Gray) A.Gray, Primula cusickiana var. cusickiana, Primula cusickiana var. maguirei (L.O.Williams) N.H.Holmgren & S.Kelso, Primula cusickiana var. nevadensis (N.H.Holmgren) N.H.Holmgren & S.Kelso, Primula domensis Kass & S.L.Welsh, Primula egaliksensis Wormsk. ex Hornem., Primula eximia Greene, Primula incana M.E.Jones, Primula laurentiana Fernald, Primula maguirei L.O.Williams, Primula mistassinica Michx., Primula nevadensis N.H.Holmgren, Primula nutans Georgi, Primula parryi A.Gray, Primula rusbyi Greene, Primula specuicola Rydb., Primula stricta Hornem., Primula suffrutescens A.Gray, Primula tschuktschorum Kjellm., Prionopsis ciliata (Nutt.) Nutt., Pritchardia affinis Becc., Pritchardia arecina Becc., Pritchardia beccariana Rock, Pritchardia forbesiana Rock, Pritchardia hardyi Rock, Pritchardia hillebrandii Becc., Pritchardia kaalae Rock, Pritchardia lanaiensis Becc. & Rock, Pritchardia lanigera Becc., Pritchardia limahuliensis H.St.John, Pritchardia lowreyana Rock ex Becc., Pritchardia martii (Gaudich.) H.Wendl., Pritchardia minor Becc., Pritchardia munroi Rock, Pritchardia perlmanii Gemmill, Pritchardia remota (Kuntze) Becc., Pritchardia schattaueri Hodel, Pritchardia viscosa Rock, Pritchardia waialealeana Read, Priva lappulacea (L.) Pers., Proatriplex pleiantha (W.A.Weber) Stutz & G.L.Chu, Proboscidea parviflora (Wooton) Wooton & Standl., Proboscidea sabulosa Correll, Proboscidea spicata Correll, Prosartes hookeri Torr., Prosartes lanuginosa (Michx.) D.Don, Prosartes maculata (Buckley) A.Gray, Prosartes smithii (Hook.) Utech, Shinwari & Kawano, Prosartes trachycarpa S.Watson, Proserpinaca intermedia Mack., Proserpinaca palustris L., Proserpinaca pectinata Lam., Prosopis glandulosa Torr., Prosopis pubescens Benth., Prosthechea boothiana (Lindl.) W.E.Higgins, Prosthechea cochleata (L.) W.E.Higgins, Prosthechea pygmaea (Hook.) W.E.Higgins, Protolophozia elongata (Steph.) Schljakov, Prunella vulgaris L., Prunus alabamensis C.Mohr, Prunus alleghaniensis Porter, Prunus americana Marshall, Prunus angustifolia Marshall, Prunus caroliniana (Mill.) Aiton, Prunus emarginata (Douglas ex Hook.) Walp., Prunus geniculata R.M.Harper, Prunus gracilis Engelm. & A.Gray, Prunus havardii (W.Wight) Mason, Prunus hortulana L.H.Bailey, Prunus maritima Marshall, Prunus mexicana S.Watson, Prunus minutiflora Engelm., Prunus murrayana E.J.Palmer, Prunus myrtifolia (L.) Urb., Prunus nigra Aiton, Prunus pensylvanica L.fil., Prunus pumila L., Prunus rivularis Scheele, Prunus texana D.Dietr., Prunus umbellata Elliott, Prunus virginiana L., Psacalium decompositum (A.Gray) H.Rob. & Brettell, Psathyrotes annua (Nutt.) A.Gray, Psathyrotes pilifera A.Gray, Psathyrotes ramosissima (Torr.) A.Gray, Psathyrotes scaposa A.Gray, Pseudephemerum nitidum (Hedw.) Reim., Pseudobahia bahiifolia (Benth.) Rydb., Pseudobahia peirsonii Munz, Pseudobraunia californica (Lesq.) Broth., Pseudobryum cinclidioides (Huebener) T.J.Kop., Pseudocalliergon angustifolium Hedenäs, Pseudocalliergon brevifolium (Lindb.) Hedenäs, Pseudocalliergon trifarium (F.Weber & D.Mohr) Loeske, Pseudocalliergon turgescens (T.Jensen) Loeske, Pseudocampylium radicale (P.Beauv.) Vanderp. & Hedenäs, Pseudoclappia arenaria Rydb., Pseudoclappia watsonii A.M.Powell & B.L.Turner, Pseudocrossidium crinitum (Schultz) R.H.Zander, Pseudocrossidium hornschuchianum (Schultz) R.H.Zander, Pseudocrossidium obtusulum (Lindb.) H.A.Crum & L.E.Anderson, Pseudocymopterus longiradiatus Mathias, Constance & W.L.Theob., Pseudocymopterus montanus (A.Gray) J.M.Coult. & Rose, Pseudognaphalium arizonicum (A.Gray) Anderb., Pseudognaphalium californicum (DC.) Anderb., Pseudognaphalium helleri (Britton) Anderb., Pseudognaphalium leucocephalum (A.Gray) Anderb., Pseudognaphalium macounii (Greene) Kartesz, Pseudognaphalium obtusifolium (L.) Hilliard & B.L.Burtt, Pseudognaphalium pringlei (A.Gray) Anderb., Pseudognaphalium sandwicensium (Gaudich.) Anderb., Pseudognaphalium stramineum (Kunth) Anderb., Pseudoleskea atricha (Kindb.) Kindb., Pseudoleskea incurvata (Hedw.) Loeske, Pseudoleskea patens (Lindb.) Kindb., Pseudoleskea radicosa (Mitt.) Macoun & Kindb., Pseudoleskea stenophylla Renauld & Cardot, Pseudoleskeella rupestris (Berggr.) Hedenäs & L.Söderstr., Pseudoleskeella serpentinensis P.S.Wilson & D.H.Norris, Pseudoleskeella tectorum (Funck ex Brid.) Kindb. ex Broth., Pseudophegopteris keraudreniana (Gaudich.) Holttum, Pseudophoenix sargentii H.Wendl. ex Sarg., Pseudoroegneria spicata (Pursh) Á.Löve, Pseudorontium cyathiferum (Benth.) Rothm., Pseudostellaria jamesiana (Torr.) W.A.Weber & R.L.Hartm., Pseudotaxiphyllum distichaceum (Mitt.) Z.Iwats., Pseudotaxiphyllum elegans (Brid.) Z.Iwats., Pseudotaxiphyllum homomallifolium (Redf.) Ireland, Pseudotrillium rivale (S.Watson) S.B.Farmer, Pseudotritomaria heterophylla (R.M.Schust.) Konstant. & Vilnet, Psidium longipes (O.Berg) McVaugh, Psidium sintenisii (Kiaersk.) Alain, Psilactis gentryi (Standl.) D.R.Morgan, Psilocarphus brevissimus Nutt., Psilocarphus brevissimus var. brevissimus, Psilocarphus elatior A.Gray, Psilocarphus oregonus Nutt., Psilocarphus tenellus Nutt., Psilopilum cavifolium (Wilson) I.Hagen, Psilopilum laevigatum (Wahlenb.) Lindb., Psilostrophe bakeri Greene, Psilostrophe cooperi (A.Gray) Greene, Psilostrophe tagetina (Nutt.) Greene, Psilotum complanatum Sw., Psilotum nudum (L.) P.Beauv., Psoralidium junceum (Eastw.) Rydb., Psoralidium lanceolatum (Pursh) Rydb., Psoralidium tenuiflorum (Pursh) Rydb., Psorothamnus arborescens (Torr. ex A.Gray) Barneby, Psorothamnus fremontii (Torr. ex A.Gray) Barneby, Psorothamnus kingii (S.Watson) Barneby, Psorothamnus polydenius (Torr.) Rydb., Psorothamnus schottii (Torr.) Barneby, Psorothamnus scoparius (A.Gray) Rydb., Psorothamnus spinosus (A.Gray) Barneby, Psorothamnus thompsoniae (Vail) R.L.Welsh & N.D.Atwood, Psychotria fauriei (H.Lév.) Fosberg, Psychotria grandiflora H.Mann, Psychotria greenwelliae Fosberg, Psychotria hathewayi Fosberg, Psychotria hawaiiensis (A.Gray) Fosberg, Psychotria hexandra H.Mann, Psychotria hobdyi Sohmer, Psychotria kaduana (Cham. & Schltdl.) Fosberg, Psychotria ligustrifolia (Northr.) Millsp., Psychotria mariniana (Cham. & Schltdl.) Fosberg, Psychotria mauiensis Fosberg, Psychotria wawrae Sohmer, Ptelea trifoliata L., Pteralyxia kauaiensis Caum, Pteralyxia macrocarpa (Hillebr.) K.Schum., Pteridium aquilinum (L.) Kuhn, Pterigynandrum filiforme Hedw., Pteris bahamensis (J.Agardh) Fée, Pteris L., Pteris irregularis Kaulf., Pteris lidgatii (Baker) Christ, Pterocaulon pycnostachyum (Michx.) Elliott, Pterocaulon virgatum (L.) DC., Pteroglossaspis ecristata (Fernald) Rolfe, Pterospora andromedea Nutt., Pterostegia drymarioides Fisch. & C.A.Mey., Pterygoneurum kozlovii Laz., Pterygoneurum lamellatum (Lindb.) Jur., Pterygoneurum ovatum (Hedw.) Dixon, Pterygoneurum subsessile (Brid.) Jur., Pteryxia davidsonii (J.M.Coult. & Rose) Mathias & Constance, Pteryxia petraea (M.E.Jones) J.M.Coult. & Rose, Pteryxia terebinthina (Hook.) J.M.Coult. & Rose, Ptilagrostis kingii (Bol.) Barkworth, Ptilagrostis porteri (Rydb.) W.A.Weber, Ptilidium californicum (Austin) Underw. & O.F.Cook, Ptilidium ciliare (L.) Hampe, Ptilidium pulcherrimum (Weber) Vain., Ptilimnium ahlesii Weakley & G.L.Nesom, Ptilimnium capillaceum (Michx.) Raf., Ptilimnium costatum (Elliott) Raf., Ptilimnium nodosum (Rose) Mathias, Ptilimnium nuttallii (DC.) Britton, Ptilium crista-castrensis (Hedw.) De Not., Ptychomitrium drummondii (Wilson) Sull., Ptychomitrium gardneri Lesq., Ptychomitrium incurvum (Schwägr.) Spruce, Ptychomitrium serratum Bruch & Schimp., Ptychomitrium sinense (Mitt.) A.Jaeger, Ptychostomum arcticum (R.Br.) J.R.Spence ex Holyoak & N.Pedersen, Ptychostomum bimum (Schreb.) J.R.Spence, Ptychostomum calophyllum (R.Br.) J.R.Spence, Ptychostomum cernuum (Hedw.) Hornsch., Ptychostomum creberrimum (Taylor) J.R.Spence & H.P.Ramsay, Ptychostomum cryophilum (Mårtensson) J.R.Spence, Ptychostomum cyclophyllum (Schwägr.) J.R.Spence, Ptychostomum inclinatum (Sw. ex Brid.) J.R.Spence, Ptychostomum knowltonii (Barnes) J.R.Spence, Ptychostomum lonchocaulon (Müll.Hal.) J.R.Spence, Ptychostomum longisetum (Blandow ex Schwägr.) J.R.Spence, Ptychostomum marratii (Hook. & Wilson) J.R.Spence, Ptychostomum pallens (Sw.) J.R.Spence, Ptychostomum pallescens (Schleich. ex Schwägr.) J.R.Spence, Ptychostomum pendulum Hornsch., Ptychostomum reedii (H.Rob.) J.R.Spence, Ptychostomum rutilans (Brid.) J.R.Spence, Ptychostomum salinum (I.Hagen ex Limpr.) J.R.Spence, Ptychostomum schleicheri (DC.) J.R.Spence, Ptychostomum subneodamense (Kindb.) J.R.Spence, Ptychostomum turbinatum (Hedw.) J.R.Spence, Ptychostomum warneum (Schwägr. ex Steud.) J.R.Spence, Ptychostomum weigelii (Biehler) J.R.Spence, Ptychostomum wrightii (Sull. & Lesq.) J.R.Spence, Puccinellia agrostidea T.J.Sørensen, Puccinellia ambigua T.J.Sørensen, Puccinellia andersonii Swallen, Puccinellia angustata (R.Br.) E.L.Rand & Redfield, Puccinellia arctica (Hook.) Fernald & Weath., Puccinellia banksiensis Consaul, Puccinellia bruggemannii T.J.Sørensen, Puccinellia deschampsioides T.J.Sørensen, Puccinellia distans (Jacq.) Parl., Puccinellia fasciculata (Torr.) E.P.Bicknell, Puccinellia howellii J.I.Davis, Puccinellia hultenii Swallen, Puccinellia kamtschatica Holmb., Puccinellia laurentiana Fernald & Weath., Puccinellia lemmonii (Vasey) Scribn., Puccinellia macra Fernald & Weath., Puccinellia nutkaensis (J.Presl) Fernald & Weath., Puccinellia nuttalliana (Schult.) Hitchc., Puccinellia parishii Hitchc., Puccinellia phryganodes (Trin.) Scribn. & Merr., Puccinellia simplex Scribn., Puccinellia sublaevis (Holmb.) Tzvelev, Puccinellia tenella (Lange) Holmb., Puccinellia vaginata (Lange) Fernald & Weath., Puccinellia vahliana (Liebm.) Scribn. & Merr., Puccinellia wrightii (Scribn. & Merr.) Tzvelev, Pulsatilla patens (L.) Mill., Purshia glandulosa Curran, Purshia ×subintegra (Kearney) Henrickson, Pycnanthemum albescens Torr. & A.Gray, Pycnanthemum beadlei (Small) Fernald, Pycnanthemum clinopodioides Torr. & A.Gray, Pycnanthemum curvipes (Greene) E.Grant & Epling, Pycnanthemum flexuosum (Walter) Britton, Sterns & Poggenb., Pycnanthemum floridanum E.Grant & Epling, Pycnanthemum incanum (L.) Michx., Pycnanthemum loomisii Nutt., Pycnanthemum montanum Michx., Pycnanthemum muticum (Michx.) Pers., Pycnanthemum nudum Nutt., Pycnanthemum setosum Nutt., Pycnanthemum tenuifolium Schrad., Pycnanthemum torreyi Benth., Pycnanthemum verticillatum (Michx.) Pers., Pycnanthemum virginianum (L.) T.Durand & B.D.Jacks. ex B.L.Rob. & Fernald, Pylaisia intricata (Hedw.) Schimp., Pylaisia polyantha (Hedw.) Schimp., Pylaisia selwynii Kindb., Pylaisiadelpha tenuirostris (Bruch & Schimp. ex Sull.) W.R.Buck, Pyramidula tetragona (Brid.) Brid., Pyrola americana G.Don, Pyrola asarifolia Michx., Pyrola chlorantha Sw., Pyrola elliptica Nutt., Pyrola grandiflora Radius, Pyrola minor L., Pyrola picta Sm., Pyrrhopappus carolinianus (Walter) DC., Pyrrhopappus grandiflorus (Nutt.) Nutt., Pyrrocoma apargioides (A.Gray) Greene, Pyrrocoma carthamoides Hook., Pyrrocoma clementis Rydb., Pyrrocoma crocea (A.Gray) Greene, Pyrrocoma hirta (A.Gray) Greene, Pyrrocoma insecticruris (L.F.Hend.) A.Heller, Pyrrocoma integrifolia (Porter ex A.Gray) Greene, Pyrrocoma lanceolata (Hook.) Greene, Pyrrocoma liatriformis Greene, Pyrrocoma linearis (D.D.Keck) Kartesz & Gandhi, Pyrrocoma lucida (D.D.Keck) Kartesz & Gandhi, Pyrrocoma racemosa (Nutt.) Torr. & A.Gray, Pyrrocoma radiata Nutt., Pyrrocoma scaberula Greene, Pyrrocoma uniflora (Hook.) Greene, Pyrularia pubera Michx., Pyxidanthera barbulata Michx., Pyxidanthera brevifolia Wells, Quercus acerifolia (E.J.Palmer) Stoynoff & Hess, Quercus ajoensis C.H.Mull., Quercus alba L., Quercus arkansana Sarg., Quercus austrina Small, Quercus bicolor Willd., Quercus boyntonii Beadle, Quercus carmenensis C.H.Mull., Quercus chapmanii Sarg., Quercus chrysolepis Liebm., Quercus coccinea Münchh., Quercus depressipes Trel., Quercus dumosa Nutt., Quercus ellipsoidalis E.J.Hill, Quercus engelmannii Greene, Quercus falcata Michx., Quercus fusiformis Small, Quercus gambelii Nutt., Quercus geminata Small, Quercus georgiana M.A.Curtis, Quercus graciliformis C.H.Mull., Quercus havardii Rydb., Quercus hemisphaerica W.Bartram ex Willd., Quercus hinckleyi C.H.Mull., Quercus hypoleucoides A.Camus, Quercus ilicifolia Wangenh., Quercus imbricaria Michx., Quercus incana W.Bartram, Quercus laevis Walter, Quercus laurifolia Michx., Quercus lyrata Walter, Quercus macrocarpa Michx., Quercus margaretiae (Ashe) Small, Quercus marilandica (L.) Münchh., Quercus michauxii Nutt., Quercus minima (Sarg.) Small, Quercus muehlenbergii Engelm., Quercus myrtifolia Willd., Quercus nigra L., Quercus oglethorpensis W.H.Duncan, Quercus pagoda Raf., Quercus palustris Münchh., Quercus phellos L., Quercus polymorpha Schltdl. & Cham., Quercus prinoides Willd., Quercus prinus M.A.Curtis, Quercus pumila Walter, Quercus robusta C.H.Mull., Quercus rubra L., Quercus shumardii Buckley, Quercus similis Ashe, Quercus sinuata Walter, Quercus stellata Wangenh., Quercus tardifolia C.H.Mull., Quercus texana Buckley, Quercus tomentella Engelm., Quercus virginiana Mill., Quercus ×bushii Sarg., Quercus ×faxonii Trel., Quercus ×fernowii Trel., Quercus ×grandidentata Ewan, Quercus ×stelloides E.J.Palmer, Quincula lobata (Torr.) Raf., Racomitrium aquaticum (Brid. ex Schrad.) Brid., Racomitrium lanuginosum (Hedw.) Brid., Radula auriculata Steph., Radula australis Austin, Radula brunnea Steph., Radula complanata (L.) Dumort., Radula lindenbergiana Gottsche ex C.Hartm., Radula obconica Sull., Radula obtusiloba Steph., Radula prolifera Arnell, Radula quadrata Gottsche, Radula sullivantii Austin, Radula tenax Lindb., Radula voluta Taylor, Rafinesquia californica Nutt., Rafinesquia neomexicana A.Gray, Raillardella pringlei Greene, Raillardiopsis muirii (A.Gray) Rydb., Rainiera stricta (Greene) Greene, Ranunculus abortivus L., Ranunculus acriformis A.Gray, Ranunculus acris L., Ranunculus adoneus A.Gray, Ranunculus aestivalis (L.D.Benson) Van Buren & K.T.Harper, Ranunculus alismifolius Geyer ex Benth., Ranunculus allegheniensis Britton, Ranunculus allenii B.L.Rob., Ranunculus ambigens S.Watson, Ranunculus andersonii A.Gray, Ranunculus aquatilis L., Ranunculus arizonicus Lemmon ex A.Gray, Ranunculus auricomus L., Ranunculus austrooreganus L.D.Benson, Ranunculus bonariensis Poir., Ranunculus californicus Benth., Ranunculus cardiophyllus Hook., Ranunculus coloradensis (L.D.Benson) L.D.Benson, Ranunculus cymbalaria Pursh, Ranunculus eschscholtzii Schltdl., Ranunculus eximius Greene, Ranunculus fascicularis Muhl. ex Bigelow, Ranunculus flabellaris Raf. ex Bigelow, Ranunculus flammula L., Ranunculus L., Ranunculus glaberrimus Hook., Ranunculus glacialis L., Ranunculus gmelinii DC., Ranunculus gormanii Greene, Ranunculus harveyi (A.Gray) Greene, Ranunculus hawaiensis A.Gray, Ranunculus hebecarpus Hook. & Arn., Ranunculus hederaceus L., Ranunculus hexasepalus (L.D.Benson) L.D.Benson, Ranunculus hispidus Michx., Ranunculus hydrocharoides A.Gray, Ranunculus hyperboreus Rottb., Ranunculus inamoenus Greene, Ranunculus jovis A.Nelson, Ranunculus kamchaticus DC., Ranunculus karelinii Czerep., Ranunculus L., Ranunculus laxicaulis (Torr. & A.Gray) Darby, Ranunculus lobbii (Hiern) A.Gray, Ranunculus longirostris Godr., Ranunculus macauleyi A.Gray, Ranunculus macounii Britton, Ranunculus mauiensis A.Gray, Ranunculus micranthus (A.Gray) Nutt. ex Torr. & A.Gray, Ranunculus nivalis L., Ranunculus occidentalis Nutt., Ranunculus oreogenes Greene, Ranunculus oresterus L.D.Benson, Ranunculus orthorhynchus Hook., Ranunculus pacificus (Hultén) L.D.Benson, Ranunculus pallasii Schltdl., Ranunculus pedatifidus Sm., Ranunculus pensylvanicus L.fil., Ranunculus ponojensis (Markl.) Ericsson, Ranunculus populago Greene, Ranunculus pusillus Poir., Ranunculus pygmaeus Wahlenb., Ranunculus ranunculinus (Nutt.) Rydb., Ranunculus recurvatus Poir., Ranunculus rhomboideus Goldie, Ranunculus sabinei R.Br., Ranunculus sceleratus L., Ranunculus sulphureus Sol., Ranunculus trichophyllus Chaix, Ranunculus turneri Greene, Ranunculus uncinatus D.Don ex G.Don, Ratibida columnifera (Nutt.) Wooton & Standl., Ratibida peduncularis (Torr. & A.Gray) Barnhart, Ratibida pinnata (Vent.) Barnhart, Ratibida tagetes (E.James) Barnhart, Rauiella scita (P.Beauv.) Reimers, Rauvolfia sandwicensis A.DC., Rayjacksonia annua (Rydb.) R.L.Hartm. & M.A.Lane, Rayjacksonia aurea (A.Gray) R.L.Hartm. & M.A.Lane, Rayjacksonia phyllocephala (DC.) R.L.Hartm. & M.A.Lane, Reboulia hemisphaerica (L.) Raddi, Rectolejeunea versifolia (Schiffn.) L.Söderstr. & A.Hagborg, Redfieldia flexuosa (Thurb.) Vasey, Reimarochloa oligostachya (Munro ex Benth.) Hitchc., Remya kauaiensis Hillebr., Remya mauiensis Hillebr., Remya montgomeryi W.L.Wagner & D.R.Herbst, Reverchonia arenaria A.Gray, Reynoldsia sandwicensis A.Gray, Reynosia septentrionalis Urb., Rhabdoweisia crenulata (Mitt.) H.Jameson, Rhabdoweisia crispata (Dicks.) Lindb., Rhachithecium perpusillum (Thwaites & Mitt.) Broth., Rhamnus L., Rhamnus lanceolata Pursh, Rhamnus pirifolia Greene, Rhamnus serrata Humb. & Bonpl. ex Willd., 1819, Rhamnus smithii Greene, Rhapidophyllum hystrix (Fraser ex Thouin) H.Wendl. & Drude, Rhexia aristosa Britton, Rhexia cubensis Griseb., Rhexia lutea Walter, Rhexia mariana L., Rhexia nashii Small, Rhexia nuttallii C.W.James, Rhexia parviflora Chapm., Rhexia petiolata Walter, Rhexia salicifolia Kral & Bostick, Rhexia virginica L., Rhinanthus minor L., Rhipsalis baccifera (J.S.Muell.) Stearn, Rhizomnium andrewsianum T.Koponen, 1968, Rhizomnium appalachianum T.Koponen, 1973, Rhizomnium gracile T.Koponen, 1973, Rhizomnium magnifolium T.Koponen, 1973, Rhizomnium nudum (R.S.Williams) T.J.Kop., Rhizomnium pseudopunctatum T.Koponen, 1968, Rhizomnium punctatum T.Koponen, 1968, Rhizophora mangle L., Rhodiola integrifolia Raf., Rhodiola rhodantha (A.Gray) H.Jacobsen, Rhodiola rosea L., Rhodobryum ontariense (Kindb.) Paris, Rhodobryum roseum (Hedw.) Limpr., Rhododendron alabamense Rehder, Rhododendron albiflorum Hook., Rhododendron arborescens (Pursh) Torr., Rhododendron atlanticum (Ashe) Rehder, Rhododendron austrinum (Small) Rehder, Rhododendron calendulaceum (Michx.) Torr., Rhododendron canadense (L.) Britton, Sterns & Poggenb., Rhododendron canescens (Michx.) G.Don, Rhododendron carolinianum Rehder, Rhododendron catawbiense Michx., Rhododendron chapmanii A.Gray, Rhododendron colemanii R.F.Mill., Rhododendron cumberlandense E.L.Braun, Rhododendron eastmanii Kron & Creel, Rhododendron flammeum (Michx.) Sarg., Rhododendron lapponicum (L.) Wahlenb., Rhododendron macrophyllum D.Don ex G.Don, Rhododendron maximum L., Rhododendron minus Michx., Rhododendron periclymenoides (Michx.) Shinners, Rhododendron prinophyllum (Small) Millais, Rhododendron prunifolium (Small) Millais, Rhododendron L., Rhododendron vaseyi A.Gray, Rhododendron viscosum (L.) Torr., Rhododendron ×bakeri (Lemmon & Mc Kay) Hume, Rhododon angulatus (Tharp) B.L.Turner, Rhododon ciliatus (Benth.) Epling, Rhus aromatica Aiton, Rhus glabra L., Rhus kearneyi F.A.Barkley, Rhus michauxii Sarg., Rhus microphylla Engelm., Rhus sandwicensis A.Gray, Rhus trilobata Nutt., Rhus typhina L., Rhynchosia cytisoides (Bertol.) Wilbur, Rhynchosia difformis (Elliott) DC., Rhynchosia edulis Griseb., Rhynchosia latifolia Nutt., Rhynchosia michauxii Vail, Rhynchosia precatoria (Humb. & Bonpl. ex Willd.) DC., Rhynchosia reniformis DC., Rhynchosia swartzii (Vail) Urb., Rhynchosia tomentosa (L.) Hook. & Arn., Rhynchospora alba (L.) Vahl, Rhynchospora baldwinii A.Gray, Rhynchospora brachychaeta C.Wright, Rhynchospora caduca Elliott, Rhynchospora californica Gale, Rhynchospora capillacea Torr., Rhynchospora capitellata (Michx.) Vahl, Rhynchospora careyana Fernald, Rhynchospora cephalantha A.Gray, Rhynchospora chalarocephala Fernald & Gale, Rhynchospora chapmanii M.A.Curtis, Rhynchospora ciliaris (Michx.) C.Mohr, Rhynchospora colorata (L.) H.Pfeiff., Rhynchospora compressa J.Carey ex Chapm., Rhynchospora corniculata (Lam.) A.Gray, Rhynchospora crinipes Gale, Rhynchospora culixa Gale, Rhynchospora curtissii Britton, Rhynchospora debilis Gale, Rhynchospora decurrens Chapm., Rhynchospora divergens Chapm. ex M.A.Curtis, Rhynchospora elliottii A.Dietr., Rhynchospora fascicularis (Michx.) Vahl, Rhynchospora fernaldii Gale, Rhynchospora filifolia A.Gray, Rhynchospora floridensis (Britton ex Small) H.Pfeiff., Rhynchospora fusca (L.) W.T.Aiton, Rhynchospora galeana Naczi, W.M.Knapp & G.Moor, Rhynchospora globularis (Chapm.) Small, Rhynchospora glomerata (L.) Vahl, Rhynchospora gracilenta A.Gray, Rhynchospora grayi Kunth, Rhynchospora harperi Small, Rhynchospora harveyi W.Boott)",
 "BasisOfRecord is one of (Specimen, Human Observation, Observation, Machine Observation)",
 "Country is one of (United States of America, Canada, Mexico, Bahamas, Belize, Costa Rica, Cuba, Dominican Republic, Greenland, Guatemala, Honduras, Haiti, Jamaica, Nicaragua, Panama, Puerto Rico, El Salvador, Trinidad and Tobago)",
 "HasCoordinate is true",
 "OccurrenceStatus is Present",
 "Year is greater than or equal to 1990",
 "CoordinateUncertaintyInMeters is less than 999",
 "ScientificName is not null",
 "DecimalLongitude is not null",
 "DecimalLatitude is not null"
 ]
}

 The dataset includes 8124485 records from 443 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0168844-210914110416597/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.