# Kenneth Kent Mackenzie

Kenneth Kent Mackenzie (1877–1934) was a lawyer and amateur botanist who wrote extensively on the genus Carex in North America. The standard author abbreviation Mack. is used to indicate this person as the author when citing a botanical name.

## Taxa
### Cyperaceae

He described the following taxa in the family Cyperaceae (sedges); alternative combinations are indented.
* Carex abramsii Mack.
* Carex abrupta Mack.
* Carex abscondita Mack.
* Carex acutinella Mack.
* Carex agglomerata Mack.
* Carex aggregata Mack.
    = Carex sparganioides var. aggregata (Mack.) Gleason
* Carex agrostoides Mack.
* Carex albonigra Mack.
* Carex allegheniensis Mack.
* Carex amphigena Mack.
* Carex amplectens Mack.
* Carex leersii var. angustata (J.Carey) Mack.
* Carex angustior Mack.
* Carex arctaeformis Mack.
* Carex arctiformis Mack.
    = Carex canescens subsp. arctiformis (Mack.) Calder & Roy L.Taylor
* Carex artitecta Mack.
* Carex atrosquama Mack.
    = Carex atrata subsp. atrosquama (Mack.) Hultén
    = Carex atrata var. atrosquama (Mack.) Cronquist
* Carex austrina Mack.
* Carex autumnalis Mack.
* Carex aztecica Mack.
* Carex biltmoreana Mack.
* Carex brachyglossa Mack.
* Carex brainerdii Mack.
* Carex brevicaulis Mack.
    = Carex deflexa var. brevicaulis (Mack.) B.Boivin
* Carex breviligulata Mack.
* Carex brevior (Dewey) Mack.
* Carex brevisquama Mack.
* Carex bulbostylis Mack.
* Carex bushii Mack.
* Carex caesariensis Mack.
* Carex camporum Mack.
* Carex chihuahuensis Mack.
* Carex chlorophila Mack.
* Carex colorata Mack.
* Carex concinnoides Mack.
* Carex conspecta Mack.
* Carex convoluta Mack.
* Carex cryptolepis Mack.
* Carex cumulata Mack.
* Carex cusickii Mack. ex Piper & Beattie
* Carex davyi Mack.
* Carex debiliformis Mack.
* Carex dudleyi (Mack.)
* Carex egglestonii Mack.
* Carex egregia Mack.
* Carex epapillosa Mack.
    = Carex heteroneura var. epapillosa (Mack.) F.J.Herm.
* Carex exserta Mack.
* Carex farwellii Mack.
* Carex fernandezensis Mack. ex G.A.Wheeler
* Carex festivella Mack.
    = Carex macloviana subsp. festivella (Mack.) Á.Löve & D.Löve
* Carex sect. Firmiculmes (Kük.) Mack.
* Carex fissa Mack.
* Carex fissuricola Mack.
* Carex flaccifolia Mack.
* Carex fracta Mack.
* Carex fulvescens Mack.
* Carex fuscotincta Mack.
* Carex geophila Mack.
* Carex gigas Mack.
* Carex glacialis Mack.
* Carex gracilior Mack.
* Carex pachystachya var. gracilis Mack.
* Carex harfordii Mack.
* Carex heliophila Mack.
    = Carex inops subsp. heliophila (Mack.) Crins
    = Carex pensylvanica subsp. heliophila (Mack.) W.A.Weber
* Carex helleri Mack.
* Carex hirsutella Mack.
    = Carex complanata subsp. hirsutella (Mack.) R.T.Clausen
* Carex hirtifolia Mack.
* Carex sect. Hispidae Mack. ex Reznicek
* Carex holmiana Mack.
* Carex howei Mack.
* Carex impressa Mack.
* Carex incurviformis Mack.
    = Carex maritima var. incurviformis (Mack.) B.Boivin
* Carex integra Mack.
* Carex involucratella Mack.
* Carex castanea var. knieskernii Mack.
* Carex laevivaginata (Kük.) Mack.
* Carex lancifructus Mack.
* Carex laricina Mack. ex Bright
    = Carex muricata var. laricina (Mack. ex Bright) Gleason
* Carex latebrosa Mack.
* Carex laxior Mack.
* Carex leiophylla Mack.
    = Carex sabulosa subsp. leiophylla (Mack.) A.E.Porsild
* Carex leporinella Mack.
* Carex leptopoda Mack. in Rydb.
    = Carex deweyana subsp. leptopoda (Mack.) Calder & Roy L.Taylor
    = Carex deweyana var. leptopoda (Mack.) B.Boivin
* Carex microptera var. limnophila (F.J.Herm.) Dorn
* Carex longa Mack.
* Carex sect. Longicaules Mack. ex Reznicek
* Carex longii Mack.
* Carex lunelliana Mack.
* Carex luridiformis Mack. ex Reznicek & M.S.González Elizondo
* Carex macrosperma Mack.
* Carex magnifolia Mack.
* Carex mediterranea Mack.
* Carex longii subsp. meridionalis (Kük.) Luceño & M.Alves
* Carex merritt-fernaldii Mack.
* Carex mesochorea Mack.
    = Carex cephalophora var. mesochorea (Mack.) Gleason
* Carex microptera Mack.
    = Carex macloviana var. microptera (Mack.) B.Boivin
* Carex microrhyncha Mack.
* Carex miserabilis Mack.
* Carex mohriana Mack.
* Carex molesta Mack.
    = Carex brevior var. molesta (Mack.) F.C.Gates
* Carex montereyensis Mack.
* Carex multicostata Mack.
* Carex nelsonii Mack.
* Carex neomexicana Mack.
* Carex neurophora Mack. in Abrams
* Carex normalis Mack.
* Carex nubicola Mack.
* Carex oklahomensis Mack.
    = Carex stipata var. oklahomensis (Mack.) Gleason
* Carex olympica Mack.
* Carex onusta Mack.
* Carex ormantha Mack.
* Carex pachycarpa Mack.
* Carex paucicostata Mack.
* Carex paucifructus Mack.
* Carex perglobosa Mack.
* Carex perstricta Mack.
    = Carex schiedeana var. perstricta (Mack.) F.J.Herm.
* Carex piperi Mack. ex Piper & Beattie
* Carex pityophila Mack.
* Carex plana Mack.
* Carex platylepis Mack.
* Carex praeceptorum Mack.
* Carex projecta Mack.
* Carex proposita Mack.
* Carex purpurifera Mack.
    = Carex laxiflora var. purpurifera (Mack.) Gleason
* Carex rectior Mack.
* Carex rhomalea Mack.
* Carex richii Mack.
* Carex rugosperma Mack.
    = Carex tonsa var. rugosperma (Mack.) Crins
* Carex rusbyi Mack.
    = Carex vallicola var. rusbyi (Mack.) F.J.Herm.
* Carex ruthii Mack.
    = Carex muricata var. ruthii (Mack.) Gleason
* Carex salinaeformis Mack.
* Carex saximontana Mack.
    = Carex backii var. saximontana (Mack.) B.Boivin
* Carex scabriuscula Mack.
* Carex scirpiformis Mack.
    = Carex scirpoidea var. scirpiformis (Mack.) O'Neill & Duman
* Carex sheldonii Mack.
* Carex simulata Mack.
    = Carex praegracilis var. simulata (Mack.) B.Boivin
* Carex smalliana Mack.
* Carex stellata Mack.
    = Carex schiedeana var. stellata (Mack.) F.J.Herm.
* Carex stenochlaena (Holm) Mack.
* Carex stenoptera Mack.
* Carex sub-bracteata Mack.
* Carex suborbiculata Mack. in Abrams
* Carex substricta Mack.
* Carex swanii Mack.
* Carex teneraeformis Mack.
* Carex townsendii Mack.
    = Carex echinata subsp. townsendii (Mack.) Reznicek
* Carex tracyi Mack.
* Carex tumulicola Mack.
* Carex uberior Mack.
* Carex unilateralis Mack.
    = Carex athrostachya var. unilateralis (Mack.) B.Boivin
* Carex viridiflora Mack.
* Carex viridior Mack. in Abrams
* Carex wiegandii Mack.
* Carex wootonii Mack.
* Cymophyllus Mack.
* Cymophyllus fraseri (Andrews) Mack.
* Kobresia macrocarpa Clokey ex Mack.
    = Kobresia bellardi var. macrocarpa (Clokey ex Mack.) H.D.Harr.
* Kobresia simpliciuscula Mack.

### Other families

In other families, he described the following taxa:

#### Acanthaceae

* Gerardia flava var. calycosa (Mack. & Bush) Steyerm.

#### Adiantaceae

* Pellaea atropurpurea var. bushii Mack.

#### Alismataceae

* Echinodorus cordifolius var. lanceolatus (Engelm.) Mack. & Bush
* Sagittaria brevirostra Mack. & Bush
    = Sagittaria engelmanniana subsp. brevirostra (Mack. & Bush) Bogin

#### Apiaceae

* Pseudotaenidia montana Mack.
* Pseudotaenidia Mack.
    = Taenidia montana (Mack.) Cronquist

#### Compositae

* Aster parviceps Mack. & Bush in Mack.
* Senecio pseudotomentosus Mack. & Bush
    = Packera paupercula var. pseudotomentosa (Mack. & Bush) R.R.Kowal
* Senecio semicordatus Mack. & Bush
    = Senecio pseudaureus subsp. semicordatus (Mack. & Bush) G.W.Douglas & Ruyle-Douglas
    = Packera pseudaurea var. semicordata (Mack. & Bush) Trock & T.M.Barkley
    = Senecio aureus var. semicordatus (Mack. & Bush) Greenm.
* Smallanthus Mack.
* Smallanthus uvedalia (L.) Mack.
* Solidago [infragen.unranked] Argutae Mack.
    = Solidago subsect. Argutae (Mack.) G.L.Nesom
    = Solidago ser. Argutae (Mack.) G.L.Nesom
* Solidago edisoniana Mack.
* Solidago harperi Mack. ex Small
* Solidago longipetiolata Mack. & Bush
    = Solidago nemoralis subsp. longipetiolata (Mack. & Bush) G.W.Douglas
    = Solidago nemoralis var. longipetiolata (Mack. & Bush) E.J.Palmer & Steyerm.
* Solidago milleriana Mack. ex Small
* Solidago [infragen.unranked] Nemorales Mack.
    = Solidago subsect. Nemorales (Mack.) G.L.Nesom
* Solidago notabilis Mack.
* Solidago [infragen.unranked] Odorae Mack.
    = Solidago subsect. Odorae (Mack.) G.L.Nesom
    = Solidago ser. Odorae (Mack.) Semple
* Solidago tarda Mack. ex Small
* Vernonia interior var. baldwinii (Torr.) Mack. & Bush in Mack.
* Vernonia interior var. drummondii Mack. & Bush
* Xanthium inflexum Mack. & Bush

#### Boraginaceae

* Macromeria thurberi (A.Gray) Mack.
* Onosmodium hispidissimum Mack.
    = Onosmodium molle subsp. hispidissimum (Mack.) B.Boivin
    = Onosmodium molle var. hispidissimum (Mack.) Cronquist
    = Onosmodium virginianum var. hirsutum Mack.
* Onosmodium bejariense var. hispidissimum (Mack.) B.L.Turner
* Onosmodium hispidissimum var. macrospermum Mack. & Bush
* Onosmodium occidentale Mack.
    = Onosmodium bejariense var. occidentale (Mack.) B.L.Turner
    = Onosmodium molle subsp. occidentale (Mack.) Cochrane
    = Onosmodium molle subsp. occidentale (Mack.) Cochrane
    = Onosmodium molle var. occidentale (Mack.) I.M.Johnst.
* Onosmodium subsetosum Mack. & Bush in Small
    = Onosmodium molle subsp. subsetosum (Mack. & Bush) Cochrane
    = Onosmodium bejariense var. subsetosum (Mack. & Bush) B.L.Turner
    = Onosmodium molle var. subsetosum (Mack. & Bush) Cronquist
* Onosmodium occidentale var. sylvestre Mack.

#### Campanulaceae

* Lobelia spicata var. leptostachys Mack. & Bush in Mack.

#### Caryophyllaceae

* Geocarpon Mack.
* Geocarpon minimum Mack.

#### Chenopodiaceae

* Chenopodium album var. berlandieri (Moq.) Mack. & Bush

#### Convallariaceae

* Uvularia nitida Mack.

#### Convolvulaceae

* Convolvulus sepium var. fraterniflorus Mack. & Bush
    = Convolvulus fraterniflorus (Mack. & Bush) Mack. & Bush
    = Calystegia fraterniflora (Mack. & Bush) Brummitt
    = Calystegia sepium var. fraterniflora (Mack. & Bush) R.H.Mohlenbrock
    = Calystegia silvatica subsp. fraterniflora (Mack. & Bush) Brummitt

#### Ericaceae

* Gaylussacia baccata var. glaucocarpa Mack.
* Vaccinium caesariense Mack.
    = Vaccinium corymbosum f. caesariense (Mack.) Camp

#### Fabaceae

* Lespedeza acuticarpa Mack. & Bush
* Lespedeza manniana Mack. & Bush
* Lespedeza neglecta Mack. & Bush
* Lespedeza violacea var. prairea Mack. & Bush
* Lespedeza simulata Mack. & Bush

#### Haloragaceae

* Proserpinaca intermedia Mack.

#### Iridaceae

* Iris foliosa Mack. & Bush

#### Juncaceae

* Juncus coriaceus Mack.
* Juncus longicaudatus (Engelm. ex A.Gray) Mack.

#### Lamiaceae

* Scutellaria cordifolia var. pilosissima Mack. & Bush

#### Onagraceae

* Oenothera strigosa Mack. & Bush
    = Oenothera biennis var. strigosa Rydb. in Mack.
* Onagra argillicola Mack.
    = Oenothera argillicola Mack.
    = Oenothera biennis f. argillicola (Mack.) B.Boivin

#### Poaceae

* Elymus canadensis var. robustus Mack. & Bush in Mack.
* Hystrix elymoides Mack. & Bush in Mack.
* Muhlenbergia polystachya Mack. & Bush

#### Polygonaceae

* Polygonum aviculare var. littorale (Link) Mack. & Bush

#### Portulacaceae

* Portulaca neglecta Mack. & Bush

#### Ranunculaceae

* Delphinium nortonianum Mack. & Bush
    = Delphinium azureum var. nortonianum (Mack. & Bush) E.J.Palmer & Steyerm.
    = Delphinium carolinianum var. nortonianum (Mack. & Bush) L.M.Perry
* Ranunculus sicaeformis Mack. & Bush

#### Rosaceae

* Crataegus mackenzii Sarg. in Mack.
* Prunus lanata (Sudw.) Mack. & Bush

#### Salicaceae

* Salix cordata var. missouriensis Mack. & Bush in Mack.

#### Saxifragaceae

* Heuchera puberula Mack. & Bush
    = Heuchera parviflora var. puberula (Mack. & Bush) E.F.Wells
* Saxifraga incurva Mack. ex Ser.

#### Scrophulariaceae

* Aureolaria calycosa (Mack. & Bush) Pennell
* Dasistoma calycosum Mack. & Bush
* Gerardia calycosa (Mack. & Bush) Fernald
    = Gerardia flava var. calycosa (Mack. & Bush) Steyerm.

#### Solanaceae

* Physalis missouriensis Mack. & Bush
    = Physalis pubescens var. missouriensis (Mack. & Bush) Waterf.
* Physalis subglabrata Mack. & Bush
    = Physalis longifolia var. subglabrata (Mack. & Bush) Cronquist
    = Physalis virginiana var. subglabrata (Mack. & Bush) Waterf.

#### Ulmaceae

* Celtis mississippiensis var. pumila (Pursh) Mack. & Bush