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 Author
Abutilon hirtumPaul A. Fryxell†
Steven R. Hill
Abutilon hulseanumPaul A. Fryxell†
Steven R. Hill
Abutilon hypoleucumPaul A. Fryxell†
Steven R. Hill
Abutilon incanumPaul A. Fryxell†
Steven R. Hill
Abutilon malacumPaul A. Fryxell†
Steven R. Hill
Abutilon mollicomumPaul A. Fryxell†
Steven R. Hill
Abutilon palmeriPaul A. Fryxell†
Steven R. Hill
Abutilon parishiiPaul A. Fryxell†
Steven R. Hill
Abutilon parvulumPaul A. Fryxell†
Steven R. Hill
Abutilon permollePaul A. Fryxell†
Steven R. Hill
Abutilon reventumPaul A. Fryxell†
Steven R. Hill
Abutilon theophrastiPaul A. Fryxell†
Steven R. Hill
Abutilon trisulcatumPaul A. Fryxell†
Steven R. Hill
Abutilon wrightiiPaul A. Fryxell†
Steven R. Hill
AcaenaBryony Macmillan
Acaena novae-zelandiaeBryony Macmillan
Acaena pallidaBryony Macmillan
Acaena pinnatifidaBryony Macmillan
AcalyphaGeoffrey A. Levin
Acalypha alopecuroideaGeoffrey A. Levin
Acalypha arvensisGeoffrey A. Levin
Acalypha australisGeoffrey A. Levin
Acalypha californicaGeoffrey A. Levin
Acalypha chamaedrifoliaGeoffrey A. Levin
Acalypha deamiiGeoffrey A. Levin
Acalypha gracilensGeoffrey A. Levin
Acalypha monococcaGeoffrey A. Levin
Acalypha monostachyaGeoffrey A. Levin
Acalypha neomexicanaGeoffrey A. Levin
Acalypha ostryifoliaGeoffrey A. Levin
Acalypha phleoidesGeoffrey A. Levin
Acalypha poiretiiGeoffrey A. Levin
Acalypha radiansGeoffrey A. Levin
Acalypha rhomboideaGeoffrey A. Levin
Acalypha setosaGeoffrey A. Levin
Acalypha virginicaGeoffrey A. Levin
Acalypha wilkesianaGeoffrey A. Levin
AcamptopappusGuy L. Nesom
Acamptopappus shockleyiGuy L. Nesom
Acamptopappus sphaerocephalusGuy L. Nesom
Acamptopappus sphaerocephalus var. hirtellusGuy L. Nesom
Acamptopappus sphaerocephalus var. sphaerocephalusGuy L. Nesom
AcanthocereusBruce D. Parfitt
Arthur C. Gibson
Acanthocereus tetragonusBruce D. Parfitt
Arthur C. Gibson
AcanthoscyphusJames L. Reveal
Acanthoscyphus parishiiJames L. Reveal
Acanthoscyphus parishii var. abramsiiJames L. Reveal
Acanthoscyphus parishii var. cienegensisJames L. Reveal
Acanthoscyphus parishii var. goodmanianaJames L. Reveal
Acanthoscyphus parishii var. parishiiJames L. Reveal
AcanthospermumJohn L. Strother
Acanthospermum australeJohn L. Strother
Acanthospermum hispidumJohn L. Strother
Acanthospermum humileJohn L. Strother
AcaulonRichard H. Zander
Acaulon muticumRichard H. Zander
Acaulon muticum var. muticumRichard H. Zander
Acaulon muticum var. rufescensRichard H. Zander
Acaulon schimperianumRichard H. Zander
Acaulon triquetrumRichard H. Zander
AchatocarpaceaeBarney L. Lipscomb
AchilleaDebra K. Trock
Achillea alpinaDebra K. Trock
Achillea millefoliumDebra K. Trock
Achillea nobilisDebra K. Trock
Achillea ptarmicaDebra K. Trock
AchlysR. David Whetstone
T.A. Atkinson
Daniel D. Spaulding
Achlys californicaR. David Whetstone
T.A. Atkinson
Daniel D. Spaulding
Achlys triphyllaR. David Whetstone
T.A. Atkinson
Daniel D. Spaulding
AchnatherumMary E. Barkworth
Achnatherum aridumMary E. Barkworth
Achnatherum arnowiaeMary E. Barkworth
Achnatherum contractumMary E. Barkworth
Achnatherum coronatumMary E. Barkworth
Achnatherum curvifoliumMary E. Barkworth
Achnatherum diegoenseMary E. Barkworth
Achnatherum eminensMary E. Barkworth
Achnatherum hendersoniiMary E. Barkworth
Achnatherum hymenoidesMary E. Barkworth
Achnatherum latiglumeMary E. Barkworth
Achnatherum lemmoniiMary E. Barkworth
Achnatherum lemmonii subsp. lemmoniiMary E. Barkworth
Achnatherum lemmonii subsp. pubescensMary E. Barkworth
Achnatherum lettermaniiMary E. Barkworth
Achnatherum lobatumMary E. Barkworth
Achnatherum nelsoniiMary E. Barkworth
Achnatherum nelsonii subsp. doreiMary E. Barkworth
Achnatherum nelsonii subsp. nelsoniiMary E. Barkworth
Achnatherum nevadenseMary E. Barkworth
Achnatherum occidentaleMary E. Barkworth
Achnatherum occidentale subsp. californicumMary E. Barkworth
Achnatherum occidentale subsp. occidentaleMary E. Barkworth
Achnatherum occidentale subsp. pubescensMary E. Barkworth
Achnatherum parishiiMary E. Barkworth
Achnatherum parishii subsp. depauperatumMary E. Barkworth
Achnatherum parishii subsp. parishiiMary E. Barkworth
Achnatherum perplexumMary E. Barkworth
Achnatherum pinetorumMary E. Barkworth
Achnatherum richardsoniiMary E. Barkworth
Achnatherum robustumMary E. Barkworth
Achnatherum scribneriMary E. Barkworth
Achnatherum splendensMary E. Barkworth
Achnatherum stillmaniiMary E. Barkworth
Achnatherum swalleniiMary E. Barkworth
Achnatherum thurberianumMary E. Barkworth
Achnatherum wallowaenseMary E. Barkworth
Achnatherum webberiMary E. Barkworth
Achnatherum ×bloomeriMary E. Barkworth
AchyrachaenaBruce G. Baldwin
John L. Strother
Achyrachaena mollisBruce G. Baldwin
John L. Strother
AchyranthesKenneth R. Robertson
Achyranthes asperaKenneth R. Robertson
Achyranthes aspera var. asperaKenneth R. Robertson
Achyranthes aspera var. pubescensKenneth R. Robertson
Achyranthes japonicaKenneth R. Robertson
AchyronychiaRonald L. Hartman
Achyronychia cooperiRonald L. Hartman
AcleisanthesJackie M. Poole
Acleisanthes acutifoliaJackie M. Poole
Acleisanthes angustifoliaJackie M. Poole
Acleisanthes anisophyllaJackie M. Poole
Acleisanthes chenopodioidesJackie M. Poole
Acleisanthes crassifoliaJackie M. Poole
Acleisanthes diffusaJackie M. Poole
Acleisanthes lanceolataJackie M. Poole
Acleisanthes lanceolata var. lanceolataJackie M. Poole
Acleisanthes longifloraJackie M. Poole
Acleisanthes nevadensisJackie M. Poole
Acleisanthes obtusaJackie M. Poole
Acleisanthes parvifoliaJackie M. Poole
Acleisanthes wrightiiJackie M. Poole
AcmellaJohn L. Strother
Acmella pusillaJohn L. Strother
Acmella repensJohn L. Strother
AcoelorrapheScott Zona
Acoelorraphe wrightiiScott Zona
AconitumD. E. Brink
J. A. Woods
Aconitum columbianumD. E. Brink
J. A. Woods
Aconitum columbianum subsp. columbianumD. E. Brink
J. A. Woods
Aconitum columbianum subsp. viviparumD. E. Brink
J. A. Woods
Aconitum delphiniifoliumD. E. Brink
J. A. Woods
Aconitum maximumD. E. Brink
J. A. Woods
Aconitum maximum subsp. maximumD. E. Brink
J. A. Woods
Aconitum reclinatumD. E. Brink
J. A. Woods
Aconitum uncinatumD. E. Brink
J. A. Woods
AconogononHarold R. Hinds†
Craig C. Freeman
Aconogonon alaskanumHarold R. Hinds†
Craig C. Freeman
Aconogonon alaskanum var. alaskanumHarold R. Hinds†
Craig C. Freeman
Aconogonon alaskanum var. glabrescensHarold R. Hinds†
Craig C. Freeman
Aconogonon davisiaeHarold R. Hinds†
Craig C. Freeman
Aconogonon davisiae var. davisiaeHarold R. Hinds†
Craig C. Freeman
Aconogonon davisiae var. glabrumHarold R. Hinds†
Craig C. Freeman
Aconogonon phytolaccifoliumHarold R. Hinds†
Craig C. Freeman
Aconogonon phytolaccifolium var. glabrumHarold R. Hinds†
Craig C. Freeman
Aconogonon phytolaccifolium var. phytolaccifoliumHarold R. Hinds†
Craig C. Freeman
AcoraceaeSue A. Thompson
AcorusSue A. Thompson
Acorus americanusSue A. Thompson
Acorus calamusSue A. Thompson
AcourtiaBeryl B. Simpson
Acourtia microcephalaBeryl B. Simpson
Acourtia nanaBeryl B. Simpson
Acourtia runcinataBeryl B. Simpson
Acourtia thurberiBeryl B. Simpson
Acourtia wrightiiBeryl B. Simpson
AcrachneSylvia M. Phillips
Acrachne racemosaSylvia M. Phillips
AcrocomiaScott Zona
Acrocomia totaiScott Zona
AcroporiumWilfred B. Schofield†
Acroporium smalliiWilfred B. Schofield†
AcroptilonDavid J. Keil
Acroptilon repensDavid J. Keil
AcrostichumRobert M. Lloyd
Acrostichum aureumRobert M. Lloyd
Acrostichum danaeifoliumRobert M. Lloyd
ActaeaBruce A. Ford
Actaea pachypodaBruce A. Ford
Actaea rubraBruce A. Ford
ActinostachysWarren H. Wagner Jr.
Actinostachys pennulaWarren H. Wagner Jr.
AdeliaJ. Arturo De-Nova
Adelia vaseyiJ. Arturo De-Nova
AdenocaulonDavid J. Keil
Adenocaulon bicolorDavid J. Keil
AdenophyllumJohn L. Strother
Adenophyllum cooperiJohn L. Strother
Adenophyllum porophylloidesJohn L. Strother
Adenophyllum wrightiiJohn L. Strother
Adenophyllum wrightii var. wrightiiJohn L. Strother
AdenostomaWilliam Jones
James Henrickson
Adenostoma fasciculatumWilliam Jones
James Henrickson
Adenostoma fasciculatum var. fasciculatumWilliam Jones
James Henrickson
Adenostoma fasciculatum var. obtusifoliumWilliam Jones
James Henrickson
Adenostoma fasciculatum var. prostratumWilliam Jones
James Henrickson
Adenostoma sparsifoliumWilliam Jones
James Henrickson
AdiantumCathy A. Paris
Adiantum aleuticumCathy A. Paris
Adiantum capillus-venerisCathy A. Paris
Adiantum hispidulumCathy A. Paris
Adiantum jordaniiCathy A. Paris
Adiantum melanoleucumCathy A. Paris
Adiantum pedatumCathy A. Paris
Adiantum tenerumCathy A. Paris
Adiantum tricholepisCathy A. Paris
Adiantum viridimontanumCathy A. Paris
AdlumiaDavid E. Boufford
Adlumia fungosaDavid E. Boufford
AdolphiaGuy L. Nesom
Adolphia californicaGuy L. Nesom
Adolphia infestaGuy L. Nesom
AdonisBruce D. Parfitt
Adonis aestivalisBruce D. Parfitt
Adonis annuaBruce D. Parfitt
Adonis vernalisBruce D. Parfitt
AegilopsSandra M. Saufferer
Aegilops crassaSandra M. Saufferer
Aegilops cylindricaSandra M. Saufferer
Aegilops geniculataSandra M. Saufferer
Aegilops neglectaSandra M. Saufferer
Aegilops tauschiiSandra M. Saufferer
Aegilops triuncialisSandra M. Saufferer
Aegilops ventricosaSandra M. Saufferer
AegopogonMary E. Barkworth
Aegopogon tenellusMary E. Barkworth
AeluropusMary E. Barkworth
Aeluropus littoralisMary E. Barkworth
AeoniumReid V. Moran
Aeonium arboreumReid V. Moran
Aeonium arboreum var. arboreumReid V. Moran
Aeonium haworthiiReid V. Moran
AgalinisJudith M. Canne-Hilliker†
John F. Hays
Agalinis aphyllaJudith M. Canne-Hilliker†
John F. Hays
Agalinis asperaJudith M. Canne-Hilliker†
John F. Hays
Agalinis auriculataJudith M. Canne-Hilliker†
John F. Hays
Agalinis caddoensisJudith M. Canne-Hilliker†
John F. Hays
Agalinis calycinaJudith M. Canne-Hilliker†
John F. Hays
Agalinis decemlobaJudith M. Canne-Hilliker†
John F. Hays
Agalinis densifloraJudith M. Canne-Hilliker†
John F. Hays
Agalinis divaricataJudith M. Canne-Hilliker†
John F. Hays
Agalinis edwardsianaJudith M. Canne-Hilliker†
John F. Hays
Agalinis fasciculataJudith M. Canne-Hilliker†
John F. Hays
Agalinis filicaulisJudith M. Canne-Hilliker†
John F. Hays
Agalinis filifoliaJudith M. Canne-Hilliker†
John F. Hays
Agalinis flexicaulisJudith M. Canne-Hilliker†
John F. Hays
Agalinis gattingeriJudith M. Canne-Hilliker†
John F. Hays
Agalinis georgianaJudith M. Canne-Hilliker†
John F. Hays
Agalinis harperiJudith M. Canne-Hilliker†
John F. Hays
Agalinis heterophyllaJudith M. Canne-Hilliker†
John F. Hays
Agalinis homalanthaJudith M. Canne-Hilliker†
John F. Hays