# List of Castilleja species

This is a list of the species in the genus Castilleja. They are commonly called paintbrushes, painted-cups, or owl’s-clovers in English. These 218 species and two natural hybrids are considered valid by Plants of the World Online (POWO) as of 2024. This list largely agrees with World Flora Online (WFO) with some exceptions. WFO lists Castilleja eggeri as unchecked. It also spells some species names differently, Castilleja rhexiifolia with a single "i" instead of a double "ii", Castilleja tolucensis as Castilleja toluccensis, and Castilleja virgatoides as Castilleja virgayoides. In addition one of the two hybrids, Castilleja × cognata, is listed in WFO as a species rather than as a hybrid.
| Scientific name | Common name |
| Castilleja affinis Hook. & Arn. | coast paintbrush |
| Castilleja albobarbata Iltis & G.L.Nesom | |
| Castilleja alpicola T.I.Chuang & Heckard | |
| Castilleja ambigua Hook. & Arn. | salt-marsh owl-clover |
| Castilleja angustata Eastw. | |
| Castilleja angustifolia (Nutt.) G.Don | northwestern paintbrush |
| Castilleja applegatei Fernald | wavyleaf paintbrush |
| Castilleja aquariensis N.H.Holmgren | Aquarius Plateau paintbrush |
| Castilleja arachnoidea Greenm. | cobwebby paintbrush |
| Castilleja arctica Krylov & Serg. | |
| Castilleja arvensis Schltdl. & Cham. | field paintbrush |
| Castilleja aspera Eastw. | |
| Castilleja attenuata (A.Gray) T.I.Chuang & Heckard | valley tassels |
| Castilleja aurea B.L.Rob. & Greenm. | |
| Castilleja auriculata Eastw. | |
| Castilleja beldingii (Greene) Tank & J.M.Egger | |
| Castilleja bella Standl. | |
| Castilleja brevilobata Piper | short-lobed paintbrush |
| Castilleja brevistyla (Hoover) T.I.Chuang & Heckard | shortstyle paintbrush |
| Castilleja bryantii Brandegee | |
| Castilleja campestris (Benth.) T.I.Chuang & Heckard | vernal pool paintbrush |
| Castilleja cerroana Edwin | |
| Castilleja cervina Greenm. | deer paintbrush |
| Castilleja chambersii M.Egger & Meinke | chambers' paintbrush |
| Castilleja chlorosceptron G.L.Nesom | |
| Castilleja chlorotica Piper | green-tinged paintbrush |
| Castilleja christii N.H.Holmgren | Christ's paintbrush |
| Castilleja chromosa A.Nelson | desert paintbrush |
| Castilleja chrymactis Pennell | Glacier Bay paintbrush |
| Castilleja chrysantha Greenm. | Yellow Wallowa paintbrush |
| Castilleja cinerea A.Gray | ash-gray paintbrush |
| Castilleja citrina Pennell | lemon paintbrush |
| Castilleja coccinea (L.) Spreng. | painted-cup paintbrush |
| Castilleja × cognata Greene | |
| Castilleja collegiorum J.M.Egger & Malaby | collegial paintbrush |
| Castilleja conzattii Fernald | |
| Castilleja covilleana Hend. | Coville's paintbrush |
| Castilleja crista-galli Rydb. | mountainside paintbrush |
| Castilleja cryptantha Pennell & G.N.Jones | obscure paintbrush |
| Castilleja ctenodonta Eastw. | |
| Castilleja cusickii Greenm. | Cusick's paintbrush |
| Castilleja dendridion G.L.Nesom | |
| Castilleja densiflora (Benth.) T.I.Chuang & Heckard | denseflower paintbrush |
| Castilleja dissitiflora N.H.Holmgren | remote-flowered paintbrush |
| Castilleja disticha Eastw. | distichous paintbrush |
| Castilleja durangensis G.L.Nesom | |
| Castilleja ecuadorensis N.H.Holmgren | Ecuador paintbrush |
| Castilleja eggeri Franc.Gut., Cházaro & Avendaño | |
| Castilleja elata Piper | siskiyou paintbrush |
| Castilleja elegans Malte | elegant paintbrush |
| Castilleja elmeri Fernald | Elmer's paintbrush |
| Castilleja exigua J.M.Egger | |
| Castilleja exserta (A.Heller) T.I.Chuang & Heckard | purple owl's-clover |
| Castilleja falcata Eastw. | |
| Castilleja filiflora G.L.Nesom | |
| Castilleja fissifolia L.f. | |
| Castilleja flava S.Watson | yellow paintbrush |
| Castilleja foliolosa Hook. & Arn. | felt paintbrush |
| Castilleja fraterna Greenm. | fraternal paintbrush |
| Castilleja fruticosa Moran | |
| Castilleja galactionovae Nikolin | |
| Castilleja galehintoniae G.L.Nesom | Gale Hinton's paintbrush |
| Castilleja genevievana G.L.Nesom | Genevieve's paintbrush |
| Castilleja glandulifera Pennell | glandular paintbrush |
| Castilleja gleasoni Elmer | frosted paintbrush |
| Castilleja gonzaleziae G.L.Nesom | |
| Castilleja gracilis Benth. | |
| Castilleja gracillima Rydb. | slender paintbrush |
| Castilleja grisea Dunkle | San Clemente Island paintbrush |
| Castilleja guadalupensis Brandegee | Guadalupe Island paintbrush (extinct) |
| Castilleja halophila Singhurst, J.M.Egger, Mink & W.C.Holmes | Texas seaside paintbrush |
| Castilleja haydenii (A.Gray) Cockerell | Hayden's paintbrush |
| Castilleja hidalgensis J.M.Egger | |
| Castilleja hirsuta M.Martens & Galeotti | |
| Castilleja hispida Benth. | harsh paintbrush |
| Castilleja holmgrenii J.M.Egger | |
| Castilleja hololeuca Greene | island paintbrush |
| Castilleja hyparctica Rebrist. | |
| Castilleja hyperborea Pennell | northern paintbrush |
| Castilleja indivisa Engelm. | Texas paintbrush |
| Castilleja integra A.Gray | orange paintbrush wholeleaf paintbrush |
| Castilleja integrifolia L.f. | |
| Castilleja irasuensis Oerst. | |
| Castilleja jiquilpana G.L.Nesom | |
| Castilleja kaibabensis N.H.Holmgren | Kaibab Plateau paintbrush |
| Castilleja kerryana J.M.Egger | Kerry's paintbrush |
| Castilleja kraliana J.R.Allison | Cahaba paintbrush |
| Castilleja lacera (Benth.) T.I.Chuang & Heckard | cutleaf paintbrush |
| Castilleja laciniata Hook. & Arn. | |
| Castilleja lanata A.Gray | wooly paintbrush |
| Castilleja lapponica Gand. ex Rebrist. | |
| Castilleja lasiorhyncha (A.Gray) T.I.Chuang & Heckard | San Bernardino Mountains owl's-clover |
| Castilleja lassenensis Eastw. | Lassen paintbrush |
| Castilleja latifolia Hook. & Arn. | Monterey paintbrush |
| Castilleja lebgueana G.L.Nesom | |
| Castilleja lemmonii A.Gray | Lemmon's paintbrush |
| Castilleja lentii N.H.Holmgren | |
| Castilleja leschkeana J.T.Howell | Glacier Bay paintbrush |
| Castilleja levisecta Greenm. | golden paintbrush |
| Castilleja linariifolia Benth. | Wyoming paintbrush |
| Castilleja lindheimeri A.Gray | Lindheimer's paintbrush |
| Castilleja lineariloba (Benth.) T.I.Chuang & Heckard | linear-lobed owl's-clover |
| Castilleja lineata Greene | marshmeadow paintbrush |
| Castilleja linifolia N.H.Holmgren | |
| Castilleja litoralis Pennell | littoral paintbrush |
| Castilleja longiflora Kunze | |
| Castilleja lutescens (Greenm.) Rydb. | stiff yellow paintbrush |
| Castilleja macrostigma B.L.Rob. | |
| Castilleja madrigalii C.Medina & E.Carranza | |
| Castilleja martini Abrams | Camp Martin paintbrush |
| Castilleja mcvaughii N.H.Holmgren | |
| Castilleja mendocinensis (Eastw.) Pennell | Mendocino Coast paintbrush |
| Castilleja meridensis Pennell | |
| Castilleja mexicana (Hemsl.) A.Gray | Mexican paintbrush |
| Castilleja miniata Douglas ex Benth. | scarlet paintbrush |
| Castilleja minor (A.Gray) A.Gray | thread-torch paintbrush |
| Castilleja mogollonica Pennell | Mogollon paintbrush |
| Castilleja mollis Pennell | soft-leaved paintbrush |
| Castilleja montigena Heckard | Heckard’s paintbrush |
| Castilleja moranensis Kunth | |
| Castilleja nana Eastw. | dwarf paintbrush |
| Castilleja nelsonii Eastw. | southern mountains paintbrush |
| Castilleja nervata Eastw. | nerved paintbrush |
| Castilleja nitricola Eastw. | |
| Castilleja nivea Pennell & Ownbey | snowy paintbrush |
| Castilleja nivibractea G.L.Nesom | |
| Castilleja nubigena Kunth | |
| Castilleja occidentalis Torr. | western yellow paintbrush |
| Castilleja ophiocephala Tank & J.M.Egger | |
| Castilleja oresbia Greenm. | pale wallowa paintbrush |
| Castilleja organorum Standl. | Organ Mountains paintbrush |
| Castilleja ornata Eastw. | ornate paintbrush |
| Castilleja ortegae Standl. | |
| Castilleja pallescens (A.Gray) Greenm. | pale paintbrush |
| Castilleja pallida (L.) Kunth | pale paintbrush |
| Castilleja palmeri Eastw. | |
| Castilleja papilionacea G.L.Nesom | |
| Castilleja paramensis F.González & Pabón-Mora | |
| Castilleja parviflora Bong. | rosy paintbrush |
| Castilleja parvula Rydb. | Tushar Mountains paintbrush |
| Castilleja patriotica Fernald | native paintbrush |
| Castilleja pavlovii Rebrist. | |
| Castilleja peckiana Pennell | Peck’s paintbrush |
| Castilleja pectinata M.Martens & Galeotti | |
| Castilleja peirsonii Eastw. | Peirson’s paintbrush |
| Castilleja perelegans G.L.Nesom | |
| Castilleja peruviana T.I.Chuang & Heckard | Peruvian paintbrush |
| Castilleja pilosa (S.Watson) Rydb. | hairy paintbrush |
| Castilleja plagiotoma A.Gray | Mojave Desert paintbrush |
| Castilleja porphyrosceptron G.L.Nesom | |
| Castilleja × porterae Cockerell | Porter's paintbrush |
| Castilleja praeterita Heckard & Bacig. | Salmon Creek paintbrush |
| Castilleja pringlei Fernald | |
| Castilleja profunda T.I.Chuang & Heckard | |
| Castilleja pruinosa Fernald | frosted paintbrush |
| Castilleja pseudohyperborea Rebrist. | |
| Castilleja pseudopallescens Edwin | |
| Castilleja pterocaulon N.H.Holmgren | |
| Castilleja puberula Rydb. | short-flowered paintbrush |
| Castilleja pulchella Rydb. | showy paintbrush |
| Castilleja pumila (Benth.) Wedd. | lancetilla del páramo |
| Castilleja purpurascens Greenm. | yoho paintbrush |
| Castilleja purpurea (Nutt.) G.Don | purplish paintbrush |
| Castilleja quiexobrensis G.L.Nesom | |
| Castilleja quirosii Standl. | |
| Castilleja racemosa (Breedlove & Heckard) T.I.Chuang & Heckard | |
| Castilleja raupii Pennell | Raup’s paintbrush |
| Castilleja revealii N.H.Holmgren | Bryce Canyon paintbrush |
| Castilleja rhexiifolia Rydb. | rhexia-leaved paintbrush |
| Castilleja rhizomata N.H.Holmgren | |
| Castilleja rigida Eastw. | rigid paintbrush |
| Castilleja roei Crosswh. | |
| Castilleja rubicundula (Jeps.) T.I.Chuang & Heckard | cream sacs |
| Castilleja rubida Piper | purple alpine paintbrush |
| Castilleja rubra (Drobow) Rebrist. | |
| Castilleja rupicola Piper ex Fernald | cliff paintbrush |
| Castilleja salaisolaveae J.M.Egger, Velazco & Huereca | |
| Castilleja salsuginosa N.H.Holmgren | Monte Neva paintbrush |
| Castilleja saltensis Eastw. | |
| Castilleja scabrida Eastw. | rough paintbrush |
| Castilleja schaffneri Hemsl. | |
| Castilleja schizotricha Greenm. | split-haired paintbrush |
| Castilleja scorzonerifolia Kunth | scorzonera-leafed paintbrush |
| Castilleja septentrionalis Lindl. | sulfur paintbrush |
| Castilleja sessiliflora Pursh | downy paintbrush |
| Castilleja sphaerostigma Eastw. | |
| Castilleja spiranthoides Standl. | |
| Castilleja stenophylla M.E.Jones | |
| Castilleja steyermarkii Pennell | |
| Castilleja stipifolia G.L.Nesom | |
| Castilleja subalpina Eastw. | |
| Castilleja subinclusa Greene | longleaf paintbrush |
| Castilleja suksdorfii A.Gray | Suksdorf’s paintbrush |
| Castilleja talamancensis N.H.Holmgren | |
| Castilleja tapeinoclada Loes. | |
| Castilleja tayloriorum N.H.Holmgren | |
| Castilleja tenella Rebrist. | |
| Castilleja tenuiflora Benth. | Santa Catalina paintbrush |
| Castilleja tenuifolia M.Martens & Galeotti | |
| Castilleja tenuis (A.Heller) T.I.Chuang & Heckard | hairy owl’s clover |
| Castilleja thompsonii Pennell | Thompson’s paintbrush |
| Castilleja tolucensis Kunth | |
| Castilleja tomentosa A.Gray | tomentose paintbrush |
| Castilleja trujillensis Pennell | |
| Castilleja uliginosa Eastw. | Pitkin Marsh paintbrush |
| Castilleja unalaschcensis (Cham. & Schltdl.) Malte | coastal paintbrush |
| Castilleja vadosa T.I.Chuang & Heckard | |
| Castilleja variocolorata A.P.Khokhr. | |
| Castilleja venusta Rzed. | |
| Castilleja victoriae Fairbarns & J.M.Egger | Victoria’s owl’s-clover |
| Castilleja virgata (Wedd.) Edwin | |
| Castilleja virgatoides Edwin | |
| Castilleja viscidula A.Gray | sticky paintbrush |
| Castilleja wallowensis Pennell | Wallowa paintbrush |
| Castilleja wightii Elmer | Wight’s paintbrush |
| Castilleja wootonii Standl. | Wooton’s paintbrush |
| Castilleja xanthotricha Pennell | yellow-hairy paintbrush |
| Castilleja zempoaltepetlensis G.L.Nesom | |