|
Poaceae |
|
× Agrohordeum macounii |
(Vasey) Lepage |
Accepted By |
|
|
|
Nyctaginaceae |
|
Abronia fragrans |
Nutt. ex Hook. |
Accepted By |
|
|
|
Malvaceae |
|
Abutilon incanum |
(Link) Sweet |
Accepted By |
|
|
|
Malvaceae |
|
Abutilon parvulum |
A. Gray |
Accepted By |
|
|
|
Fabaceae |
! |
Acacia angustissima |
(Mill.) Kuntze |
Accepted By |
|
|
|
Fabaceae |
|
Acacia angustissima var. hirta |
(Nutt.) B.L. Rob. |
Accepted By |
|
|
|
Euphorbiaceae |
|
Acalypha monococca |
(Engelm. ex A. Gray) Lill. W. Mill. & Gandhi |
Accepted By |
|
|
|
Euphorbiaceae |
|
Acalypha ostryifolia |
Riddell ex J.M. Coult. |
Accepted By |
|
|
|
Euphorbiaceae |
|
Acalypha rhomboidea |
Raf. |
Accepted By |
|
|
|
Euphorbiaceae |
! |
Acalypha virginica |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer glabrum |
Torr. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo var. interior |
(Britton) Sarg. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo var. negundo |
|
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo var. texanum |
Pax |
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo var. violaceum |
Booth ex G. Kirchn. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer nigrum |
F. Michx. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer saccharinum |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer saccharum |
Marshall |
Accepted By |
|
|
|
Asteraceae |
! |
Achillea millefolium |
L. |
Accepted By |
|
|
|
Asteraceae |
|
Achillea sibirica |
Ledeb. |
Accepted By |
|
|
|
Ranunculaceae |
|
Aconitum columbianum |
Nutt. |
Accepted By |
|
|
|
Acoraceae |
! |
Acorus calamus |
L. |
Accepted By |
|
|
|
Ranunculaceae |
|
Actaea rubra |
(Aiton) Willd. |
Accepted By |
|
|
|
Asteraceae |
|
Adenocaulon bicolor |
Hook. |
Accepted By |
|
|
|
Pteridaceae |
! |
Adiantum capillus-veneris |
L. |
Accepted By |
|
|
|
Pteridaceae |
! |
Adiantum pedatum |
L. |
Accepted By |
|
|
|
Adoxaceae |
! |
Adoxa moschatellina |
L. |
Accepted By |
|
|
|
Poaceae |
! |
Aegilops cylindrica |
Host |
Accepted By |
|
|
|
Sapindaceae |
|
Aesculus glabra |
Willd. |
Accepted By |
|
|
|
Sapindaceae |
|
Aesculus glabra var. arguta |
(Buckley) B.L. Rob. |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis aspera |
(Douglas ex Benth.) Britton |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis fasciculata |
(Elliott) Raf. |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis heterophylla |
(Nutt.) Small |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis purpurea |
(L.) Pennell |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis skinneriana |
(Alph. Wood) Britton |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis tenuifolia |
(Vahl) Raf. |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis tenuifolia var. macrophylla |
(Benth.) S.F. Blake |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis tenuifolia var. parviflora |
(Nutt.) Pennell |
Accepted By |
|
|
|
Orobanchaceae |
|
Agalinis viridis |
(Small) Pennell |
Accepted By |
|
|
|
Lamiaceae |
|
Agastache foeniculum |
(Pursh) Kuntze |
Accepted By |
|
|
|
Lamiaceae |
|
Agastache nepetoides |
(L.) Kuntze |
Accepted By |
|
|
|
Lamiaceae |
|
Agastache scrophulariifolia |
(Willd.) Kuntze |
Accepted By |
|
|
|
Asteraceae |
|
Agoseris glauca |
(Pursh) Raf. |
Accepted By |
|
|
|
Rosaceae |
|
Agrimonia gryposepala |
Wallr. |
Accepted By |
|
|
|
Rosaceae |
! |
Agrimonia parviflora |
Aiton |
Accepted By |
|
|
|
Rosaceae |
|
Agrimonia pubescens |
Wallr. |
Accepted By |
|
|
|
Rosaceae |
|
Agrimonia rostellata |
Wallr. |
Accepted By |
|
|
|
Rosaceae |
|
Agrimonia striata |
Michx. |
Accepted By |
|
|
|
Poaceae |
|
Agropyron caninum |
(L.) P. Beauv. |
Accepted By |
|
|
|
Poaceae |
! |
Agropyron caninum var. majus |
Baumg. |
Accepted By |
|
|
|
Poaceae |
|
Agropyron caninum var. unilaterale |
Vasey |
Accepted By |
|
|
|
Poaceae |
! |
Agropyron cristatum |
(L.) Gaertn. |
Accepted By |
|
|
|
Poaceae |
! |
Agropyron dasystachyum |
(Hook.) Scribn. |
Accepted By |
|
|
|
Poaceae |
|
Agropyron elongatum |
(Host) P. Beauv. |
Accepted By |
|
|
|
Poaceae |
|
Agropyron intermedium |
(Host) P. Beauv. |
Accepted By |
|
|
|
Poaceae |
|
Agropyron intermedium var. intermedium |
|
Accepted By |
|
|
|
Poaceae |
|
Agropyron intermedium var. trichorphorum |
(Link) Halácsy |
Accepted By |
|
|
|
Poaceae |
|
Agropyron repens |
(L.) P. Beauv. |
Accepted By |
|
|
|
Poaceae |
|
Agropyron smithii |
Rydb. |
Accepted By |
|
|
|
Poaceae |
! |
Agropyron spicatum |
(Pursh) Scribn. & J.G. Sm. |
Accepted By |
|
|
|
Poaceae |
|
Agrostis elliottiana |
Schult. |
Accepted By |
|
|
|
Poaceae |
|
Agrostis exarata |
Trin. |
Accepted By |
|
|
|
Poaceae |
|
Agrostis exarata subsp. minor |
(Hook.) C.L. Hitchc. |
Accepted By |
|
|
|
Poaceae |
|
Agrostis hyemalis |
(Walter) Britton, Sterns & Poggenb. |
Accepted By |
|
|
|
Poaceae |
! |
Agrostis perennans |
(Walter) Tuck. |
Accepted By |
|
|
|
Poaceae |
! |
Agrostis scabra |
Willd. |
Accepted By |
|
|
|
Poaceae |
|
Agrostis semiverticillata |
(Forssk.) C. Chr. |
Accepted By |
|
|
|
Poaceae |
! |
Agrostis stolonifera |
L. |
Accepted By |
|
|
|
Simaroubaceae |
|
Ailanthus altissima |
(Mill.) Swingle |
Accepted By |
|
|
|
Alismataceae |
|
Alisma gramineum |
C.C. Gmel. |
Accepted By |
|
|
|
Alismataceae |
|
Alisma subcordatum |
Raf. |
Accepted By |
|
|
|
Alismataceae |
|
Alisma triviale |
Pursh |
Accepted By |
|
|
|
Nyctaginaceae |
|
Allionia incarnata |
L. |
Accepted By |
|
|
|
Amaryllidaceae |
! |
Allium canadense |
L. |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium canadense var. canadense |
|
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium canadense var. fraseri |
Ownbey |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium canadense var. hyacinthoides |
(Bush) Ownbey |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium canadense var. lavandulare |
(Bates) Ownbey & Aase |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium canadense var. mobilense |
(Regel) Ownbey |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium cernuum |
Roth |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium drummondii |
Regel |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium geyeri |
S. Watson |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium perdulce |
S.V. Fraser |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium stellatum |
Nutt. ex Ker Gawl. |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium textile |
A. Nelson & J.F. Macbr. |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium tricoccum |
Aiton |
Accepted By |
|
|
|
Amaryllidaceae |
|
Allium vineale |
L. |
Accepted By |
|
|
|
Betulaceae |
|
Alnus incana |
(L.) Moench |
Accepted By |
|
|
|
Betulaceae |
|
Alnus incana subsp. rugosa |
(Du Roi) R.T. Clausen |
Accepted By |
|
|
|
Betulaceae |
|
Alnus serrulata |
(Aiton) Willd. |
Accepted By |
|
|
|
Poaceae |
|
Alopecurus aequalis |
Sobol. |
Accepted By |
|
|
|
Poaceae |
|
Alopecurus arundinaceus |
Poir. |
Accepted By |
|
|
|
Poaceae |
! |
Alopecurus carolinianus |
Walter |
Accepted By |
|
|
|
Poaceae |
! |
Alopecurus geniculatus |
L. |
Accepted By |
|
|
|
Poaceae |
! |
Alopecurus pratensis |
L. |
Accepted By |
|
|
|
Amaranthaceae |
|
Alternanthera caracasana |
Kunth |
Accepted By |
|
|
|
Amaranthaceae |
|
Amaranthus arenicola |
I.M. Johnst. |
Accepted By |
|
|
|
Amaranthaceae |
|
Amaranthus graecizans |
L. |
Accepted By |
|
|
|
Amaranthaceae |
|
Amaranthus palmeri |
S. Watson |
Accepted By |
|
|