| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ANAS | Anastrophyllum assimile (Mitt.) Steph. | | Jungermanniaceae
|
| ANDO6 | Anastrophyllum donianum (Hook.) Schiffn. | | Jungermanniaceae
|
| ANHE8 | Anastrophyllum helleranum (Nees) R. M. Schust. | | Jungermanniaceae
|
| ANMI7 | Anastrophyllum michauxii (F. Weber) H. Buch ex A. Evans | | Jungermanniaceae
|
| ANMIG | Anastrophyllum minutum (Schreb.) R. M. Schust. var. grandis (Gottsche ex Lindb.) R. M. Schust. | | Jungermanniaceae
|
| ANMIM | Anastrophyllum minutum (Schreb.) R. M. Schust. var. minutum | | Jungermanniaceae
|
| ANMI8 | Anastrophyllum minutum (Schreb.) R. M. Schust. | | Jungermanniaceae
|
| ANSA7 | Anastrophyllum saxicola (Schrad.) R. M. Schust. | | Jungermanniaceae
|
| ANSP9 | Anastrophyllum sphenoloboides R. M. Schust. | | Jungermanniaceae
|
| ANTE9 | Anastrophyllum tenue H. Williams | | Jungermanniaceae
|
| ANAST2 | Anastrophyllum (Spruce) Schiffn. | | Jungermanniaceae
|
| ANZI | Anatherum zizanioides (L.) A.S. Hitchc. & Chase | Vetiveria zizanioides | Poaceae
|
| ANVI6 | Anchistea virginica (L.) K. Presl | Woodwardia virginica | Blechnaceae
|
| ANAR16 | Anchusa arvensis (L.) Bieb. | small bugloss | Boraginaceae
|
| ANAZ | Anchusa azurea P. Mill. | Italian bugloss | Boraginaceae
|
| ANBA3 | Anchusa barrelieri (All.) Vitman | Barrelier's bugloss | Boraginaceae
|
| ANCA29 | Anchusa capensis Thunb. | Cape bugloss | Boraginaceae
|
| ANIT | Anchusa italica Retz. | Anchusa azurea | Boraginaceae
|
| ANOF | Anchusa officinalis L. | common bugloss | Boraginaceae
|
| ANPR2 | Anchusa procera Bess. ex Link | Anchusa officinalis | Boraginaceae
|
| ANSE12 | Anchusa sempervirens L. | Pentaglottis sempervirens | Boraginaceae
|
| ANCHU | Anchusa L. | bugloss | Boraginaceae
|
| ANSC | Ancistrocactus scheeri (Salm-Dyck) Britt. & Rose | Sclerocactus scheeri | Cactaceae
|
| ANTO3 | Ancistrocactus tobuschii (W.T. Marsh.) W.T. Marsh. ex Backeberg | Sclerocactus brevihamatus ssp. tobuschii | Cactaceae
|
| ANUNW | Ancistrocactus uncinatus (Galeottii) L. Benson var. wrightii (Engelm.) L. Benson | Sclerocactus uncinatus var. wrightii | Cactaceae
|
| ANFI3 | Ancistrocarphus filagineus Gray | false neststraw | Asteraceae
|
| ANCIS2 | Ancistrocarphus Gray | neststraw | Asteraceae
|
| ANIN | Andira inermis (W. Wright) Kunth ex DC. | cabbagebark tree | Fabaceae
|
| ANJA | Andira jamaicensis (W. Wright) Urban | Andira inermis | Fabaceae
|
| ANDIR | Andira Juss. | andira | Fabaceae
|
| ANAR8 | Andrachne arida (Warnock & M.C. Johnston) G.L. Webster | Leptopus phyllanthoides | Euphorbiaceae
|
| ANCU | Andrachne cuneifolia Britt. | Phyllanthus cuneifolius | Euphorbiaceae
|
| ANPH | Andrachne phyllanthoides (Nutt.) Coult. | Leptopus phyllanthoides | Euphorbiaceae
|
| ANAL13 | Andreaea alpestris (Thed.) Schimp. | andreaea moss | Andreaeaceae
|
| ANAN13 | Andreaea angustata Lindb. ex Limpr. | Andreaea heinemannii | Andreaeaceae
|
| ANBA8 | Andreaea baileyi (Holz.) Holz. | Andreaea nivalis | Andreaeaceae
|
| ANBLA | Andreaea blyttii Schimp. ssp. angustata (Lindb. ex Limpr.) Schultze-Motel | Andreaea heinemannii | Andreaeaceae
|
| ANBLO | Andreaea blyttii Schimp. var. obtusifolia (Berggr.) Sharp | Andreaea heinemannii | Andreaeaceae
|
| ANBL70 | Andreaea blyttii Schimp. | Blytt's andreaea moss | Andreaeaceae
|
| ANCRO | Andreaea crassinervia Bruch var. obtusifolia Berggr. | Andreaea heinemannii | Andreaeaceae
|
| ANCR8 | Andreaea crassinervia Bruch | andreaea moss | Andreaeaceae
|
| ANHA5 | Andreaea hartmanii Thed. | Andreaea obovata | Andreaeaceae
|
| ANHE10 | Andreaea heinemannii Hampe & C. M�ll. | Heinemann's andreaea moss | Andreaeaceae
|
| ANHU4 | Andreaea huntii Limpr. | Andreaea rothii var. papillosa | Andreaeaceae
|
| ANMA19 | Andreaea macounii Kindb. | Andreaea nivalis | Andreaeaceae
|
| ANMEE2 | Andreaea megistospora B. Murr. ssp. epapillosa B. Murr. | Andreaea megistospora var. epapillosa | Andreaeaceae
|
| ANMEE | Andreaea megistospora B. Murr. var. epapillosa (B. Murr.) Crum & Anderson | andreaea moss | Andreaeaceae
|
| ANMEM2 | Andreaea megistospora B. Murr. var. megistospora | andreaea moss | Andreaeaceae
|
| ANME8 | Andreaea megistospora B. Murr. | andreaea moss | Andreaeaceae
|
| ANMU9 | Andreaea mutabilis Hook. f. & Wils. | andreaea moss | Andreaeaceae
|
| ANNI6 | Andreaea nivalis Hook. | andreaea moss | Andreaeaceae
|
| ANOB8 | Andreaea obovata Thed. | obovate andreaea moss | Andreaeaceae
|
| ANPA13 | Andreaea papillosa Lindb. | Andreaea rupestris var. papillosa | Andreaeaceae
|
| ANPA14 | Andreaea parvifolia C. M�ll. | Andreaea rupestris var. rupestris | Andreaeaceae
|
| ANPE15 | Andreaea petrophila Ehrh. ex F�rnr. | Andreaea rupestris var. rupestris | Andreaeaceae
|
| ANROC2 | Andreaea rothii Web. & Mohr var. crassinervia (Bruch) M�nk. | Andreaea crassinervia | Andreaeaceae
|
| ANROF | Andreaea rothii Web. & Mohr var. falcata (Schimp.) Lindb. in Braithw. | Andreaea rothii var. papillosa | Andreaeaceae
|
| ANROP2 | Andreaea rothii Web. & Mohr var. papillosa C. M�ll. | Roth's andreaea moss | Andreaeaceae
|
| ANROR2 | Andreaea rothii Web. & Mohr var. rothii | Roth's andreaea moss | Andreaeaceae
|
| ANRO7 | Andreaea rothii Web. & Mohr | Roth's andreaea moss | Andreaeaceae
|
| ANRUP2 | Andreaea rupestris Hedw. ssp. papillosa (Lindb.) C. Jens. | Andreaea rupestris var. papillosa | Andreaeaceae
|
| ANRUA | Andreaea rupestris Hedw. var. acuminata sensu Sharp in Grout | Andreaea rupestris var. papillosa | Andreaeaceae
|
| ANRUA2 | Andreaea rupestris Hedw. var. alpestris (Thed.) Sharp in Grout | Andreaea alpestris | Andreaeaceae
|
| ANRUP | Andreaea rupestris Hedw. var. papillosa (Lindb.) Podp. | andreaea moss | Andreaeaceae
|
| ANRUR | Andreaea rupestris Hedw. var. rupestris | andreaea moss | Andreaeaceae
|
| ANRUS | Andreaea rupestris Hedw. var. sparsifolia (Zett.) Sharp in Grout | Andreaea rupestris var. papillosa | Andreaeaceae
|
| ANRU70 | Andreaea rupestris A. Roth non Hedw. | Andreaea rothii var. rothii | Andreaeaceae
|
| ANRU7 | Andreaea rupestris Hedw. | andreaea moss | Andreaeaceae
|
| ANSC11 | Andreaea schofieldiana B. Murr. | Schofield's andreaea moss | Andreaeaceae
|
| ANSI4 | Andreaea sinuosa B. Murr. | andreaea moss | Andreaeaceae
|
| ANSPS | Andreaea sparsifolia Kindb. var. sublaevis Kindb. | Andreaea rupestris var. papillosa | Andreaeaceae
|
| ANDRE2 | Andreaea Hedw. | andreaea moss | Andreaeaceae
|
| ANMA18 | Andreaeobryum macrosporum Steere & B. Murr. | big spore andreaeobryum moss | Andreaeobryaceae
|
| ANDRE3 | Andreaeobryum Steere & B. Murray | andreaeobryum moss | Andreaeobryaceae
|
| ANRO5 | Androcera rostrata (Dunal) Rydb. | Solanum rostratum | Solanaceae
|
| ANEC | Andrographis echioides (L.) Nees | false waterwillow | Acanthaceae
|
| ANDRO5 | Andrographis Wallich ex Nees | false waterwillow | Acanthaceae
|
| ANGLI | Andromeda glaucophylla Link var. iodandra Fern. | Andromeda polifolia var. glaucophylla | Ericaceae
|
| ANGL | Andromeda glaucophylla Link | Andromeda polifolia var. glaucophylla | Ericaceae
|
| ANPOG2 | Andromeda polifolia L. ssp. glaucophylla (Link) Hult�n | Andromeda polifolia var. glaucophylla | Ericaceae
|
| ANPOC | Andromeda polifolia L. var. concolor Boivin | Andromeda polifolia var. polifolia | Ericaceae
|
| ANPOG | Andromeda polifolia L. var. glaucophylla (Link) DC. | bog rosemary | Ericaceae
|
| ANPOP | Andromeda polifolia L. var. polifolia | bog rosemary | Ericaceae
|
| ANPO | Andromeda polifolia L. | bog rosemary | Ericaceae
|
| ANPO5 | Andromeda populifolia Lam. | Agarista populifolia | Ericaceae
|
| ANDRO | Andromeda L. | bog rosemary | Ericaceae
|
| ANAL10 | Andropogon altus A.S. Hitchc. | Bothriochloa alta | Poaceae
|
| ANAM4 | Andropogon amaurus B�se ex Miq. | Polytrias amaura | Poaceae
|
| ANAN12 | Andropogon annulatus Forsk. | Dichanthium annulatum | Poaceae
|
| ANAR2 | Andropogon arctatus Chapman | pinewoods bluestem | Poaceae
|
| ANBA6 | Andropogon barbinodis Lag. | Bothriochloa barbinodis | Poaceae
|
| ANBI | Andropogon bicornis L. | barbas de indio | Poaceae
|
| ANBL3 | Andropogon bladhii Retz. | Bothriochloa bladhii | Poaceae
|
| ANBR2 | Andropogon brachystachyus Chapman | shortspike bluestem | Poaceae
|
| ANBR12 | Andropogon brevifolius Sw. | Schizachyrium brevifolium | Poaceae
|
| ANCA2 | Andropogon cabanisii Hack. | Andropogon ternarius var. cabanisii | Poaceae
|
| ANCA3 | Andropogon campyloracheus Nash | Andropogon gyrans var. gyrans | Poaceae
|
| ANCA4 | Andropogon capillipes Nash | chalky bluestem | Poaceae
|
| ANCA20 | Andropogon caucasicus Trin. | Bothriochloa bladhii | Poaceae
|
| ANCH8 | Andropogon chrysocomus Nash | Andropogon gerardii | Poaceae
|
| ANCI | Andropogon cirratus Hack. | Schizachyrium cirratum | Poaceae
|