| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| AIELA | Aira elegans Willd. ex Kunth ssp. ambigua (Arcang.) Holub | Aira elegans | Poaceae
|
| AIEL4 | Aira elegans Willd. ex Kunth | annual silver hairgrass | Poaceae
|
| AIEL2 | Aira elegantissima Schur | Aira elegans | Poaceae
|
| AIEL3 | Aira elongata Hook. | Deschampsia elongata | Poaceae
|
| AIFL | Aira flexuosa L. | Deschampsia flexuosa var. flexuosa | Poaceae
|
| AIHO | Aira holciformis (J. Presl) Steud. | Deschampsia holciformis | Poaceae
|
| AIIN | Aira indica L. | Sacciolepis indica | Poaceae
|
| AIOB | Aira obtusata Michx. | Sphenopholis obtusata | Poaceae
|
| AIPR | Aira praecox L. | yellow hairgrass | Poaceae
|
| AISP | Aira spicata L. | Trisetum spicatum | Poaceae
|
| AIRA | Aira L. | hairgrass | Poaceae
|
| AJCH | Ajuga chamaepitys (L.) Schreb. | yellow bugle | Lamiaceae
|
| AJGE | Ajuga genevensis L. | blue bugle | Lamiaceae
|
| AJRE | Ajuga reptans L. | common bugle | Lamiaceae
|
| AJUGA | Ajuga L. | bugle | Lamiaceae
|
| AKPE2 | Akebia �pentaphylla (Makino) Makino | | Lardizabalaceae
|
| AKQU | Akebia quinata (Houtt.) Dcne. | chocolate vine | Lardizabalaceae
|
| AKEBI | Akebia Dcne. | chocolate vine | Lardizabalaceae
|
| AKPE | Aklema petiolaris (Sims) Millsp. | Euphorbia petiolaris | Euphorbiaceae
|
| ALAD | Albizia adinocephala (J.D. Sm.) Britt. & Rose | cream albizia | Fabaceae
|
| ALCA8 | Albizia carbonaria Britt. | naked albizia | Fabaceae
|
| ALCH2 | Albizia chinensis (Osbeck) Merr. | Chinese albizia | Fabaceae
|
| ALDI7 | Albizia distachya J.F. Macbr. | Paraserianthes lophantha | Fabaceae
|
| ALFA6 | Albizia falcata of authors | Falcataria moluccana | Fabaceae
|
| ALFA5 | Albizia falcataria (L.) Fosberg | Falcataria moluccana | Fabaceae
|
| ALFE | Albizia ferruginea (Guillemin & Perrottet) Benth. | albizia | Fabaceae
|
| ALJU | Albizia julibrissin Durazz. | silktree | Fabaceae
|
| ALLE | Albizia lebbeck (L.) Benth. | woman's tongue | Fabaceae
|
| ALLE2 | Albizia lebbekoides (DC.) Benth. | Indian albizia | Fabaceae
|
| ALLO | Albizia lophantha (Willd.) Benth. | Paraserianthes lophantha | Fabaceae
|
| ALMO14 | Albizia montana (Jungh.) Benth. | Paraserianthes lophantha ssp. montana | Fabaceae
|
| ALOD | Albizia odoratissima (L. f.) Benth. | albizia | Fabaceae
|
| ALPR | Albizia procera (Roxb.) Benth. | tall albizia | Fabaceae
|
| ALSA4 | Albizia saman (Jacq.) F. Muell. | Samanea saman | Fabaceae
|
| ALSA10 | Albizia saponaria (Lour.) Blume ex Miq. | whiteflower albizia | Fabaceae
|
| ALST9 | Albizia stipulata (Roxb.) Boivin | Albizia chinensis | Fabaceae
|
| ALZY | Albizia zygia (DC.) Macbr. | albizia | Fabaceae
|
| ALBIZ | Albizia Durazz. | albizia | Fabaceae
|
| ALFI9 | Alcea ficifolia L. | Antwerp hollyhock | Malvaceae
|
| ALRO3 | Alcea rosea L. | hollyhock | Malvaceae
|
| ALCEA | Alcea L. | hollyhock | Malvaceae
|
| ALAR2 | Alchemilla arvensis (L.) Scop. | Aphanes arvensis | Rosaceae
|
| ALCU4 | Alchemilla cuneifolia Nutt. | Aphanes arvensis | Rosaceae
|
| ALFIV | Alchemilla filicaulis Buser ssp. vestita (Buser) M.E. Bradshaw | thinstem lady's mantle | Rosaceae
|
| ALFI5 | Alchemilla filicaulis Buser | thinstem lady's mantle | Rosaceae
|
| ALMI | Alchemilla microcarpa Boiss. & Reut. | Aphanes microcarpa | Rosaceae
|
| ALMI7 | Alchemilla minor Huds. | Alchemilla filicaulis ssp. vestita | Rosaceae
|
| ALMO4 | Alchemilla monticola Opiz | hairy lady's mantle | Rosaceae
|
| ALOC | Alchemilla occidentalis Nutt. | Aphanes arvensis | Rosaceae
|
| ALPR5 | Alchemilla pratensis auct. non F.W. Schmidt | Alchemilla monticola | Rosaceae
|
| ALSU2 | Alchemilla subcrenata Buser | broadtooth lady's mantle | Rosaceae
|
| ALVE4 | Alchemilla vestita (Buser) Raunk. | Alchemilla filicaulis ssp. vestita | Rosaceae
|
| ALVUP | Alchemilla vulgaris L. var. pastoralis (Buser) Boivin | Alchemilla monticola | Rosaceae
|
| ALVUV | Alchemilla vulgaris L. var. vestita (Buser) Murb. | Alchemilla filicaulis ssp. vestita | Rosaceae
|
| ALVU2 | Alchemilla vulgaris auct. non L. | Alchemilla monticola | Rosaceae
|
| ALXA | Alchemilla xanthochlora auct. non Rothm. | Alchemilla monticola | Rosaceae
|
| ALCHE | Alchemilla L. | lady's mantle | Rosaceae
|
| ALLA | Alchornea latifolia Sw. | achiotillo | Euphorbiaceae
|
| ALCHO | Alchornea Sw. | alchornea | Euphorbiaceae
|
| ALFL3 | Alchorneopsis floribunda (Benth.) Muell.-Arg. | palo de gallina | Euphorbiaceae
|
| ALPO | Alchorneopsis portoricensis Urban | Alchorneopsis floribunda | Euphorbiaceae
|
| ALCHO2 | Alchorneopsis Muell.-Arg. | alchorneopsis | Euphorbiaceae
|
| ALPE8 | Alcina perfoliata Cav. | Melampodium perfoliatum | Asteraceae
|
| ALTE6 | Aldenella tenuifolia (Torr. & Gray) Greene | Polanisia tenuifolia | Capparaceae
|
| ALAB | Alectoria abbreviata (Mull. Arg.) R. Howe | Nodobryoria abbreviata | Parmeliaceae
|
| ALAC7 | Alectoria achariana Gyelnik | Bryoria pseudofuscescens | Parmeliaceae
|
| ALAL10 | Alectoria altaica (Gyelnik) Rasanen | Bryoria nadvornikiana | Parmeliaceae
|
| ALAM9 | Alectoria ambigua Mot. | Bryoria trichodes ssp. americana | Parmeliaceae
|
| ALAM10 | Alectoria americana Mot. | Bryoria trichodes ssp. americana | Parmeliaceae
|
| ALBI6 | Alectoria bicolor (Ehrh.) Nyl. | Bryoria bicolor | Parmeliaceae
|
| ALBO5 | Alectoria boryana Delise | Alectoria nigricans | Alectoriaceae
|
| ALCA15 | Alectoria californica (Tuck.) G. Merr. | Kaernefeltia californica | Parmeliaceae
|
| ALCA16 | Alectoria canadensis Mot. | Bryoria trichodes ssp. trichodes | Parmeliaceae
|
| ALCA17 | Alectoria capillaris (Ach.) Crombie | Bryoria capillaris | Parmeliaceae
|
| ALCE3 | Alectoria cervinula Mot. | Bryoria cervinula | Parmeliaceae
|
| ALCE4 | Alectoria cetrariza Nyl. | Kaernefeltia californica | Parmeliaceae
|
| ALCH4 | Alectoria chalybeiformis (L.) Gray | Bryoria chalybeiformis | Parmeliaceae
|
| ALCO11 | Alectoria corneliae Gyelnik | Bryoria fremontii | Parmeliaceae
|
| ALDE5 | Alectoria delicata Mot. | Bryoria trichodes ssp. trichodes | Parmeliaceae
|
| ALDI9 | Alectoria divergens (Ach.) Nyl. | Bryocaulon divergens | Parmeliaceae
|
| ALFA60 | Alectoria fallacina Mot. | witch's hair lichen | Alectoriaceae
|
| ALFR3 | Alectoria fremontii Tuck. | Bryoria fremontii | Parmeliaceae
|
| ALFU | Alectoria fuscescens Gyelnik | Bryoria fuscescens | Parmeliaceae
|
| ALGL14 | Alectoria glabra Mot. | Bryoria glabra | Parmeliaceae
|
| ALIM2 | Alectoria implexa (Hoffm.) Nyl. | Bryoria implexa | Parmeliaceae
|
| ALIM | Alectoria imshaugii Brodo & D. Hawksw. | Imshaug's witch's hair lichen | Alectoriaceae
|
| ALIR | Alectoria irvingii Llano | Bryoria nitidula | Parmeliaceae
|
| ALLA10 | Alectoria lanea auct. | Bryoria nitidula | Parmeliaceae
|
| ALLA11 | Alectoria lanestris (Ach.) Gyelnik | Bryoria lanestris | Parmeliaceae
|
| ALLA9 | Alectoria lata (Taylor) Lindsay | witch's hair lichen | Alectoriaceae
|
| ALLU2 | Alectoria luteola Mont. | Alectoria sarmentosa ssp. sarmentosa | Alectoriaceae
|
| ALMI9 | Alectoria minuscula (Nyl. ex Arnold) Degel. | Pseudephebe minuscula | Parmeliaceae
|
| ALNA2 | Alectoria nadvornikiana Gyelnik | Bryoria nadvornikiana | Parmeliaceae
|
| ALNA3 | Alectoria nana Mot. | Bryoria simplicior | Parmeliaceae
|
| ALNI3 | Alectoria nidulifera Norrlin | Bryoria furcellata | Parmeliaceae
|
| ALNI60 | Alectoria nigricans (Ach.) Nyl. | witch's hair lichen | Alectoriaceae
|
| ALNI4 | Alectoria nitidula (Th. Fr.) Vainio | Bryoria nitidula | Parmeliaceae
|
| ALNO2 | Alectoria norstictica Mot. | Bryoria pseudofuscescens | Parmeliaceae
|
| ALOC60 | Alectoria ochroleuca (Hoffm.) A. Massal. | witch's hair lichen | Alectoriaceae
|
| ALOR2 | Alectoria oregana Tuck. | Nodobryoria oregana | Parmeliaceae
|
| ALPO8 | Alectoria positiva (Gyelnik) Mot. | Bryoria fuscescens | Parmeliaceae
|