| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| AMHUE | Amelanchier humilis Wieg. var. exserrata Nielsen | Amelanchier humilis | Rosaceae
|
| AMHU2 | Amelanchier humilis Wieg. | low serviceberry | Rosaceae
|
| AMHU3 | Amelanchier huronensis Wieg. | Amelanchier sanguinea var. sanguinea | Rosaceae
|
| AMIN2 | Amelanchier interior Nielsen | Pacific serviceberry | Rosaceae
|
| AMIN4 | Amelanchier �intermedia Spach (pro sp.) | | Rosaceae
|
| AMLAN | Amelanchier laevis Wieg. var. nitida (Wieg.) Fern. | Amelanchier laevis | Rosaceae
|
| AMLA | Amelanchier laevis Wieg. | Allegheny serviceberry | Rosaceae
|
| AMLU3 | Amelanchier lucida Fern. | Amelanchier canadensis | Rosaceae
|
| AMMO3 | Amelanchier mormonica Schneid. | Amelanchier utahensis var. utahensis | Rosaceae
|
| AMMU4 | Amelanchier mucronata Nielsen | Amelanchier humilis | Rosaceae
|
| AMNA2 | Amelanchier nantucketensis Bickn. | Nantucket serviceberry | Rosaceae
|
| AMNE | Amelanchier �neglecta Egglest. ex G.N. Jones (pro sp.) | | Rosaceae
|
| AMOB3 | Amelanchier oblongifolia (Torr. & Gray) M. Roemer | Amelanchier arborea var. arborea | Rosaceae
|
| AMOB2 | Amelanchier obovalis (Michx.) Ashe | coastal serviceberry | Rosaceae
|
| AMOR2 | Amelanchier oreophila A. Nels. | Amelanchier utahensis var. utahensis | Rosaceae
|
| AMPA2 | Amelanchier pallida Greene | pale serviceberry | Rosaceae
|
| AMPO5 | Amelanchier polycarpa Greene | Amelanchier pumila | Rosaceae
|
| AMPU5 | Amelanchier pumila (Torr. & Gray) Nutt. ex M. Roemer | dwarf serviceberry | Rosaceae
|
| AMQU | Amelanchier �quinti-martii Louis-Marie (pro sp.) | | Rosaceae
|
| AMSAG | Amelanchier sanguinea (Pursh) DC. var. gaspensis Wieg. | Gaspe serviceberry | Rosaceae
|
| AMSAG2 | Amelanchier sanguinea (Pursh) DC. var. grandiflora (Wieg.) Rehd. | roundleaf serviceberry | Rosaceae
|
| AMSAS | Amelanchier sanguinea (Pursh) DC. var. sanguinea | roundleaf serviceberry | Rosaceae
|
| AMSA | Amelanchier sanguinea (Pursh) DC. | roundleaf serviceberry | Rosaceae
|
| AMSP2 | Amelanchier spicata auct. p.p. non (Lam.) K. Koch | Amelanchier stolonifera | Rosaceae
|
| AMST80 | Amelanchier stolonifera Wieg. | running serviceberry | Rosaceae
|
| AMST4 | Amelanchier stolonifera auct. p.p. non Wieg. | Amelanchier humilis | Rosaceae
|
| AMUTC | Amelanchier utahensis Koehne ssp. covillei (Standl.) Clokey | Amelanchier utahensis var. covillei | Rosaceae
|
| AMUTC2 | Amelanchier utahensis Koehne var. covillei (Standl.) N. Holmgren | Coville's serviceberry | Rosaceae
|
| AMUTU | Amelanchier utahensis Koehne var. utahensis | Utah serviceberry | Rosaceae
|
| AMUT | Amelanchier utahensis Koehne | Utah serviceberry | Rosaceae
|
| AMWI | Amelanchier wiegandii Nielsen | Amelanchier interior | Rosaceae
|
| AMELA | Amelanchier Medik. | serviceberry | Rosaceae
|
| AMJA | �Amelasorbus jackii Rehd. | Jack's amelasorbus | Rosaceae
|
| AMELA2 | �Amelasorbus Rehd. | amelasorbus | Rosaceae
|
| AMSP5 | Amellus spinulosus Pursh, non Machaeranthera spinulosus Greene | Machaeranthera pinnatifida ssp. pinnatifida var. pinnatifida | Asteraceae
|
| AMBR10 | Amerimnon brownei Jacq. | Dalbergia brownei | Fabaceae
|
| AMRO | Amerorchis rotundifolia (Banks ex Pursh) Hult�n | roundleaf orchid | Orchidaceae
|
| AMERO | Amerorchis Hult�n | amerorchis | Orchidaceae
|
| AMDE7 | Amerosedum debile (S. Wats.) A.& D. L�ve | Sedum debile | Crassulaceae
|
| AMDI | Amerosedum divergens (S. Wats.) A.& D. L�ve | Sedum divergens | Crassulaceae
|
| AMLA6 | Amerosedum lanceolatum (Torr.) A.& D. L�ve | Sedum lanceolatum ssp. lanceolatum | Crassulaceae
|
| AMLE | Amerosedum leibergii (Britt.) A.& D. L�ve | Sedum leibergii | Crassulaceae
|
| AMNE2 | Amerosedum nesioticum (G.N. Jones) A.& D. L�ve | Sedum lanceolatum ssp. nesioticum | Crassulaceae
|
| AMRAD | Amerosedum radiatum (S. Wats.) A.& D. L�ve ssp. depauperatum (Clausen) A.& D. L�ve | Sedum radiatum ssp. depauperatum | Crassulaceae
|
| AMRA | Amerosedum radiatum (S. Wats.) A.& D. L�ve | Sedum radiatum ssp. radiatum | Crassulaceae
|
| AMRU4 | Amerosedum rupicola (G.N. Jones) A.& D. L�ve | Sedum rupicola | Crassulaceae
|
| AMSTM | Amerosedum stenopetalum (Pursh) A.& D. L�ve ssp. monanthum (Suksdorf) A.& D. L�ve | Sedum stenopetalum ssp. monanthum | Crassulaceae
|
| AMST3 | Amerosedum stenopetalum (Pursh) A.& D. L�ve | Sedum stenopetalum ssp. stenopetalum | Crassulaceae
|
| AMSU | Amerosedum subalpinum (Blank.) A.& D. L�ve | Sedum lanceolatum ssp. subalpinum | Crassulaceae
|
| AMMU | Amianthium muscitoxicum (Walt.) Gray | flypoison | Liliaceae
|
| AMIAN | Amianthium Gray | amianthium | Liliaceae
|
| AMAUA | Ammannia auriculata Willd. var. arenaria (Kunth) Koehne | Ammannia auriculata | Lythraceae
|
| AMAU2 | Ammannia auriculata Willd. | eared redstem | Lythraceae
|
| AMBA3 | Ammannia baccifera L. | monarch redstem | Lythraceae
|
| AMCOP | Ammannia coccinea Rottb. ssp. purpurea (Lam.) Koehne | Ammannia coccinea | Lythraceae
|
| AMCOR | Ammannia coccinea Rottb. ssp. robusta (Heer & Regel) Koehne | Ammannia robusta | Lythraceae
|
| AMCO | Ammannia coccinea Rottb. | valley redstem | Lythraceae
|
| AMKO | Ammannia koehnei Britt. | Ammannia latifolia | Lythraceae
|
| AMLA3 | Ammannia latifolia L. | pink redstem | Lythraceae
|
| AMRO3 | Ammannia robusta Heer & Regel | grand redstem | Lythraceae
|
| AMTEE | Ammannia teres Raf. var. exauriculata (Fern.) Fern. | Ammannia latifolia | Lythraceae
|
| AMTE6 | Ammannia teres Raf. | Ammannia coccinea | Lythraceae
|
| AMMAN | Ammannia L. | redstem | Lythraceae
|
| AMCO13 | Ammi copticum L. | Trachyspermum copticum | Apiaceae
|
| AMMA | Ammi majus L. | large bullwort | Apiaceae
|
| AMVI2 | Ammi visnaga (L.) Lam. | toothpickweed | Apiaceae
|
| AMMI4 | Ammi L. | ammi | Apiaceae
|
| AMSO | Ammobroma sonorae Torr. ex Gray | Pholisma sonorae | Lennoaceae
|
| AMRO4 | Ammocallis rosea (L.) Small | Catharanthus roseus | Apocynaceae
|
| AMTI | Ammocharis tinneana (Kotschy & Peyr.) Milne-Redhead & Schweickerdt | | Liliaceae
|
| AMMOC2 | Ammocharis Herb. | ammocharis | Liliaceae
|
| AMCH3 | Ammocodon chenopodioides (Gray) Standl. | goosefoot moonpod | Nyctaginaceae
|
| AMMOC | Ammocodon Standl. | ammocodon | Nyctaginaceae
|
| AMOR | Ammodia oregona Nutt. | Heterotheca oregona var. oregona | Asteraceae
|
| AMAR4 | Ammophila arenaria (L.) Link | European beachgrass | Poaceae
|
| AMBR | Ammophila breviligulata Fern. | American beachgrass | Poaceae
|
| AMCH6 | Ammophila champlainensis Seymour | Champlain beachgrass | Poaceae
|
| AMMOP | Ammophila Host | beachgrass | Poaceae
|
| AMOH | Ammopursus ohlingerae (Blake) Small | Liatris ohlingerae | Asteraceae
|
| AMBU | Ammoselinum butleri (Engelm. ex S. Wats.) Coult. & Rose | Butler's sandparsley | Apiaceae
|
| AMGI | Ammoselinum giganteum Coult. & Rose | western sandparsley | Apiaceae
|
| AMPO4 | Ammoselinum popei Torr. & Gray | plains sandparsley | Apiaceae
|
| AMMOS | Ammoselinum Torr. & Gray | sandparsley | Apiaceae
|
| AMCA9 | Amomis caryophyllata (Jacq.) Krug & Urban | Pimenta racemosa var. racemosa | Myrtaceae
|
| AMGR8 | Amomis grisea (Kiaersk.) Britt. | Pimenta racemosa var. grisea | Myrtaceae
|
| AMAL6 | Amomum alpinia Rottb. | Renealmia alpinia | Zingiberaceae
|
| AMCA11 | Amomum cardamomum L. | Elettaria cardamomum | Zingiberaceae
|
| AMCO12 | Amomum compactum Sol. ex Maton | round cardamom | Zingiberaceae
|
| AMGR9 | Amomum gracile Blume | serkkom | Zingiberaceae
|
| AMKE2 | Amomum kepulaga Sprague & Burkill | Amomum compactum | Zingiberaceae
|
| AMZE3 | Amomum zedoaria Christm. | Curcuma zedoaria | Zingiberaceae
|
| AMZE | Amomum zerumbet L. | Zingiber zerumbet | Zingiberaceae
|
| AMZI | Amomum zingiber L. | Zingiber officinale | Zingiberaceae
|
| AMOMU | Amomum Roxb. | cardamom | Zingiberaceae
|
| AMGO | Amoreuxia gonzalezii Sprague & Riley | Santa Rita mountain yellowshow | Bixaceae
|
| AMPA3 | Amoreuxia palmatifida Moc. & Sess� ex DC. | Mexican yellowshow | Bixaceae
|
| AMWR2 | Amoreuxia wrightii Gray | Wright's yellowshow | Bixaceae
|
| AMORE | Amoreuxia Moc. & Sess� ex DC. | yellowshow | Bixaceae
|
| AMAN2 | Amorpha angustifolia (Pursh) Boynt. | Amorpha fruticosa | Fabaceae
|
| AMBR6 | Amorpha brachycarpa Palmer | Amorpha canescens | Fabaceae
|
| AMBU2 | Amorpha bushii Rydb. | Amorpha fruticosa | Fabaceae
|