|
Euphorbiaceae |
|
Acalypha rhomboidea |
Raf. |
Accepted By |
|
|
|
Euphorbiaceae |
! |
Acalypha virginica |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer negundo var. violaceum |
Booth ex G. Kirchn. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer pensylvanicum |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer platanoides |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer pseudoplatanus |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer rubrum |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer saccharinum |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Acer saccharum |
Marshall |
Accepted By |
|
|
|
Sapindaceae |
|
Acer spicatum |
Lam. |
Accepted By |
|
|
|
Ranunculaceae |
|
Actaea pachypoda |
Elliott |
Accepted By |
|
|
|
Ranunculaceae |
|
Actaea rubra |
(Aiton) Willd. |
Accepted By |
|
|
|
Papaveraceae |
|
Adlumia fungosa |
(Aiton) Greene ex Britton, Sterns & Poggenb. |
Accepted By |
|
|
|
Apiaceae |
|
Aegopodium podagraria |
L. |
Accepted By |
|
|
|
Sapindaceae |
|
Aesculus glabra |
Willd. |
Accepted By |
|
|
|
Apiaceae |
|
Aethusa cynapium |
L. |
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 |
|
|
|
Simaroubaceae |
|
Ailanthus altissima |
(Mill.) Swingle |
Accepted By |
|
|
|
Lardizabalaceae |
|
Akebia quinata |
(Houtt.) Decne. |
Accepted By |
|
|
|
Betulaceae |
|
Alnus crispa |
(Aiton) Pursh |
Accepted By |
|
|
|
Betulaceae |
|
Alnus crispa var. mollis |
(Fernald) Fernald |
Accepted By |
|
|
|
Betulaceae |
|
Alnus glutinosa |
(L.) Gaertn. |
Accepted By |
|
|
|
Betulaceae |
! |
Alnus rugosa |
(Du Roi) Spreng. |
Accepted By |
|
|
|
Betulaceae |
|
Alnus rugosa var. americana |
(Regel) Fernald |
Accepted By |
|
|
|
Brassicaceae |
|
Alyssum murale |
Waldst. & Kit. |
Accepted By |
|
|
|
Brassicaceae |
|
Alyssum saxatile |
L. |
Accepted By |
|
|
|
Amaranthaceae |
|
Amaranthus arenicola |
I.M. Johnst. |
Accepted By |
|
|
|
Amaranthaceae |
** |
Amaranthus gracilis |
Desf. |
Accepted By |
|
|
|
Amaranthaceae |
|
Amaranthus powellii |
S. Watson |
Accepted By |
|
|
|
Amaranthaceae |
|
Amaranthus tuberculatus |
(Moq.) J.D. Sauer |
Accepted By |
|
|
|
Rosaceae |
|
Amelanchier arborea |
(F. Michx.) Fernald |
Accepted By |
|
|
|
Rosaceae |
|
Amelanchier bartramiana |
(Tausch) M. Roem. |
Accepted By |
|
|
|
Rosaceae |
|
Amelanchier interior |
E.L. Nielsen |
Accepted By |
|
|
|
Rosaceae |
|
Amelanchier laevis |
Wiegand |
Accepted By |
|
|
|
Rosaceae |
|
Amelanchier sanguinea |
(Pursh) DC. |
Accepted By |
|
|
|
Rosaceae |
|
Amelanchier spicata |
(Lam.) K. Koch |
Accepted By |
|
|
|
Lythraceae |
|
Ammannia robusta |
Heer & Regel |
Accepted By |
|
|
|
Fabaceae |
! |
Amorpha canescens |
Pursh |
Accepted By |
|
|
|
Fabaceae |
! |
Amorpha fruticosa |
L. |
Accepted By |
|
|
|
Fabaceae |
* |
Amphicarpa bracteata |
(L.) Fernald |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone canadensis |
L. |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone cylindrica |
A. Gray |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone multifida |
Poir. |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone multifida fo. multifida |
|
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone multifida fo. sanguinea |
(Richardson) Fernald |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone quinquefolia |
L. |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone quinquefolia var. bifolia |
Farw. |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemone virginiana |
L. |
Accepted By |
|
|
|
Ranunculaceae |
! |
Anemone virginiana var. alba |
(Oakes) Alph. Wood |
Accepted By |
|
|
|
Ranunculaceae |
|
Anemonella thalictroides |
(L.) Spach |
Accepted By |
|
|
|
Apiaceae |
|
Anethum graveolens |
L. |
Accepted By |
|
|
|
Apiaceae |
|
Angelica atropurpurea |
L. |
Accepted By |
|
|
|
Apiaceae |
|
Angelica venenosa |
Fernald |
Accepted By |
|
|
|
Apiaceae |
|
Anthriscus sylvestris |
(L.) Hoffm. |
Accepted By |
|
|
|
Fabaceae |
|
Anthyllis vulneraria |
L. |
Accepted By |
|
|
|
Fabaceae |
! |
Apios americana |
Medik. |
Accepted By |
|
|
|
Ranunculaceae |
|
Aquilegia canadensis |
L. |
Accepted By |
|
|
|
Ranunculaceae |
|
Aquilegia vulgaris |
L. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis × divaricarpa |
A. Nelson (pro sp.) |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis canadensis |
L. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis caucasica |
Willd. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis drummondii |
A. Gray |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis glabra |
(L.) Bernh. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis hirsuta var. adpressipilis |
(M. Hopkins) Rollins |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis hirsuta var. pycnocarpa |
(M. Hopkins) Rollins |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis holboellii |
Hornem. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis holboellii var. retrofracta |
(Graham) Rydb. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis laevigata |
(Muhl. ex Willd.) Poir. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis lyrata |
L. |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis missouriensis |
Greene |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis perstellata |
E.L. Braun |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis perstellata var. shortii |
Fernald |
Accepted By |
|
|
|
Brassicaceae |
|
Arabis procurrens |
Waldst. & Kit. |
Accepted By |
|
|
|
Araliaceae |
|
Aralia hispida |
Vent. |
Accepted By |
|
|
|
Araliaceae |
|
Aralia nudicaulis |
L. |
Accepted By |
|
|
|
Araliaceae |
|
Aralia racemosa |
L. |
Accepted By |
|
|
|
Santalaceae |
|
Arceuthobium pusillum |
Peck |
Accepted By |
|
|
|
Caryophyllaceae |
|
Arenaria lateriflora |
L. |
Accepted By |
|
|
|
Caryophyllaceae |
|
Arenaria macrophylla |
Hook. |
Accepted By |
|
|
|
Caryophyllaceae |
|
Arenaria stricta |
Michx. |
Accepted By |
|
|
|
Papaveraceae |
|
Argemone albiflora |
Hornem. |
Accepted By |
|
|
|
Papaveraceae |
|
Argemone mexicana |
L. |
Accepted By |
|
|
|
Brassicaceae |
* |
Armoracia aquatica |
(Eaton) Wiegand |
Accepted By |
|
|
|
Rosaceae |
|
Aronia × prunifolia |
(Marshall) Rehder |
Accepted By |
|
|
|
Rosaceae |
! |
Aruncus dioicus |
(Walter) Fernald |
Accepted By |
|
|
|
Annonaceae |
! |
Asimina triloba |
(L.) Dunal |
Accepted By |
|
|
|
Fabaceae |
|
Astragalus canadensis |
L. |
Accepted By |
|
|
|
Fabaceae |
|
Astragalus cicer |
L. |
Accepted By |
|
|
|
Fabaceae |
|
Astragalus neglectus |
(Torr. & A. Gray) E. Sheld. |
Accepted By |
|
|
|
Fabaceae |
|
Astragalus neglectus fo. limonius |
(Farw.) Fernald |
Accepted By |
|
|
|
Amaranthaceae |
|
Atriplex patula |
L. |
Accepted By |
|
|
|
Amaranthaceae |
|
Atriplex rosea |
L. |
Accepted By |
|
|
|
Fabaceae |
! |
Baptisia lactea |
(Raf.) Thieret |
Accepted By |
|
|
|
Fabaceae |
|
Baptisia leucophaea |
Nutt. |
Accepted By |
|
|
|
Fabaceae |
! |
Baptisia tinctoria |
(L.) R. Br. |
Accepted By |
|
|