| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ANHE | Angelica hendersonii Coult. & Rose | Henderson's angelica | Apiaceae
|
| ANKI | Angelica kingii (S. Wats.) Coult. & Rose | King's angelica | Apiaceae
|
| ANLIC | Angelica lineariloba Gray var. culbertsonii Jepson | Angelica lineariloba | Apiaceae
|
| ANLI2 | Angelica lineariloba Gray | poison angelica | Apiaceae
|
| ANLU | Angelica lucida L. | seacoast angelica | Apiaceae
|
| ANLY2 | Angelica lyallii S. Wats. | Angelica arguta | Apiaceae
|
| ANPI2 | Angelica pinnata S. Wats. | small-leaf angelica | Apiaceae
|
| ANRO | Angelica roseana Henderson | rose angelica | Apiaceae
|
| ANSC9 | Angelica scabrida Clokey & Mathias ex Clokey | Charleston Mountain angelica | Apiaceae
|
| ANSY2 | Angelica sylvestris L. | woodland angelica | Apiaceae
|
| ANTOC | Angelica tomentosa S. Wats. var. californica (Jepson) Jepson | Angelica californica | Apiaceae
|
| ANTOH | Angelica tomentosa S. Wats. var. hendersonii (Coult. & Rose) Di Tomaso | Angelica hendersonii | Apiaceae
|
| ANTO | Angelica tomentosa S. Wats. | woolly angelica | Apiaceae
|
| ANTR2 | Angelica triquinata Michx. | filmy angelica | Apiaceae
|
| ANVE | Angelica venenosa (Greenway) Fern. | hairy angelica | Apiaceae
|
| ANVI7 | Angelica villosa (Walt.) B.S.P. | Angelica venenosa | Apiaceae
|
| ANWH | Angelica wheeleri S. Wats. | Utah angelica | Apiaceae
|
| ANGEL | Angelica L. | angelica | Apiaceae
|
| ANAN5 | Angelonia angustifolia Benth. | narrowleaf angelon | Scrophulariaceae
|
| ANSA3 | Angelonia salicariifolia Humb. & Bonpl. | willowleaf angelon | Scrophulariaceae
|
| ANGEL2 | Angelonia Humb. & Bonpl. | angelon | Scrophulariaceae
|
| ANEV | Angiopteris evecta (J.R. Forst.) Hoffmann | oriental vessel fern | Marattiaceae
|
| ANGIO | Angiopteris Hoffmann | angiopteris fern | Marattiaceae
|
| ANCO11 | Anguria cookiana Britt. | Psiguria pedata | Cucurbitaceae
|
| ANOT2 | Anguria ottoniana Schlecht. | Psiguria ottoniana | Cucurbitaceae
|
| ANPE5 | Anguria pedata (L.) Jacq. | Psiguria pedata | Cucurbitaceae
|
| ANTR3 | Anguria trifoliata L. | Psiguria pedata | Cucurbitaceae
|
| ANBR7 | Aniba bracteata (Nees) Mez | canelillo | Lauraceae
|
| ANIBA | Aniba Aubl. | aniba | Lauraceae
|
| ANINL | Anisacanthus insignis Gray var. linearis Hagen | Anisacanthus linearis | Acanthaceae
|
| ANIN3 | Anisacanthus insignis Gray | Anisacanthus puberulus | Acanthaceae
|
| ANLI3 | Anisacanthus linearis (Hagen) Henrickson & Lott | narrowleaf desert honeysuckle | Acanthaceae
|
| ANPU6 | Anisacanthus puberulus (Torr.) Henrickson & Lott | dwarf desert honeysuckle | Acanthaceae
|
| ANQUW | Anisacanthus quadrifidus (Vahl) Nees var. wrightii (Torr.) Henrickson | Wright's desert honeysuckle | Acanthaceae
|
| ANQU2 | Anisacanthus quadrifidus (Vahl) Nees | Wright's desert honeysuckle | Acanthaceae
|
| ANTH2 | Anisacanthus thurberi (Torr.) Gray | Thurber's desert honeysuckle | Acanthaceae
|
| ANWR2 | Anisacanthus wrightii (Torr.) Gray | Anisacanthus quadrifidus var. wrightii | Acanthaceae
|
| ANISA | Anisacanthus Nees | desert honeysuckle | Acanthaceae
|
| ANDI6 | Anisantha diandra (Roth) Tutin ex Tzvelev | Bromus diandrus | Poaceae
|
| ANMA12 | Anisantha madritensis (L.) Nevski | Bromus madritensis | Poaceae
|
| ANRI4 | Anisantha rigida (Roth) Hyl. | Bromus rigidus | Poaceae
|
| ANRU4 | Anisantha rubens (L.) Nevski | Bromus rubens | Poaceae
|
| ANST4 | Anisantha sterilis (L.) Nevski | Bromus sterilis | Poaceae
|
| ANTE6 | Anisantha tectorum (L.) Nevski | Bromus tectorum | Poaceae
|
| ANMAN | Aniseia martinicensis (Jacq.) Choisy var. nitens (Choisy) O'Donell | whitejacket | Convolvulaceae
|
| ANMA4 | Aniseia martinicensis (Jacq.) Choisy | whitejacket | Convolvulaceae
|
| ANNI7 | Aniseia nitens Choisy | Aniseia martinicensis var. nitens | Convolvulaceae
|
| ANISE | Aniseia Choisy | aniseia | Convolvulaceae
|
| ANAC | Anisocoma acaulis Torr. & Gray | scalebud | Asteraceae
|
| ANISO3 | Anisocoma Torr. & Gray | anisocoma | Asteraceae
|
| ANAL12 | Anisomeridium albisedum (Nyl.) R. C. Harris | | Monoblastiaceae
|
| ANAM5 | Anisomeridium ambiguum (Zahlbr.) R. C. Harris | | Monoblastiaceae
|
| ANAN14 | Anisomeridium anisolobum (Mull. Arg.) Aptroot | | Monoblastiaceae
|
| ANAU4 | Anisomeridium aureopunctatum R. C. Harris | | Monoblastiaceae
|
| ANBI3 | Anisomeridium biforme (Borrer) R. C. Harris | | Monoblastiaceae
|
| ANBI5 | Anisomeridium biformoides R. C. Harris | | Monoblastiaceae
|
| ANCA34 | Anisomeridium carthiniacum (Steiner) R. C. Harris | | Monoblastiaceae
|
| ANDI9 | Anisomeridium distans (Willey) R. C. Harris | | Monoblastiaceae
|
| ANEX5 | Anisomeridium excaecariae (Mull. Arg.) R. C. Harris | | Monoblastiaceae
|
| ANFE4 | Anisomeridium feeanum (Mull. Arg.) R. C. Harris | Anisomeridium anisolobum | Monoblastiaceae
|
| ANFI5 | Anisomeridium finkii (R. C. Harris) R. C. Harris | | Monoblastiaceae
|
| ANGR10 | Anisomeridium griffinii R. C. Harris | | Monoblastiaceae
|
| ANJU3 | Anisomeridium juistense (Erichsen) R. C. Harris | Anisomeridium nyssigenum | Monoblastiaceae
|
| ANLE10 | Anisomeridium leucochlorum (Mull. Arg.) R. C. Harris | | Monoblastiaceae
|
| ANMA23 | Anisomeridium macrosporum (R. C. Harris) | | Monoblastiaceae
|
| ANNY | Anisomeridium nyssigenum (Ellis & Everh.) R. C. Harris | | Monoblastiaceae
|
| ANPH4 | Anisomeridium phaeospermum R. C. Harris | | Monoblastiaceae
|
| ANQU5 | Anisomeridium quadricoccum R. C. Harris | | Monoblastiaceae
|
| ANQU4 | Anisomeridium quaternarium (R. C. Harris) R. C. Harris | | Monoblastiaceae
|
| ANSA6 | Anisomeridium sanfordense (Zahlbr.) R. C. Harris | Anisomeridium excaecariae | Monoblastiaceae
|
| ANSU8 | Anisomeridium subprostans (Nyl.) R. C. Harris | | Monoblastiaceae
|
| ANTA2 | Anisomeridium tamarindi (Fee) R. C. Harris | | Monoblastiaceae
|
| ANTE12 | Anisomeridium terminatum (Nyl.) R. C. Harris | | Monoblastiaceae
|
| ANTU2 | Anisomeridium tuckerae R. C. Harris | | Monoblastiaceae
|
| ANISO4 | Anisomeridium (Mull. Arg.) Choisy | anisomeridium | Monoblastiaceae
|
| ANCA17 | Anisophyllum californicum Klotzsch & Garcke | Chamaesyce deppeana | Euphorbiaceae
|
| ANCO22 | Anisophyllum cordatum (Meyen) Klotzsch & Garcke | Chamaesyce degeneri | Euphorbiaceae
|
| ANDE14 | Anisophyllum dentatum (Michx.) Haw. | Euphorbia dentata var. dentata | Euphorbiaceae
|
| ANMU7 | Anisophyllum multiforme (Hook. & Arn.) Klotzsch & Garcke | Chamaesyce multiformis var. multiformis | Euphorbiaceae
|
| ANNO3 | Anisophyllum nodosum Klotzsch & Garcke | Chamaesyce clusiifolia | Euphorbiaceae
|
| ANTH4 | Anisophyllum thymifolium (L.) Klotzsch & Garcke | Chamaesyce thymifolia | Euphorbiaceae
|
| ANVI9 | Anisophyllum virgatum Klotzsch & Garcke | Chamaesyce arnottiana | Euphorbiaceae
|
| ANHI6 | Anisosorus hirsutus (L.) Underwood & Maxon ex Maxon | Lonchitis hirsuta | Dennstaedtiaceae
|
| ANCA21 | Anisostichus capreolata (L.) Bureau | Bignonia capreolata | Bignoniaceae
|
| ANCR7 | Anisostichus crucigera (L.) Bureau | Bignonia capreolata | Bignoniaceae
|
| ANGR8 | Anisothecium grevilleanum (Brid.) Arnell & C. Jens. | Dicranella grevilleana | Dicranaceae
|
| ANRU6 | Anisothecium rufescens (With.) Lindb. | Dicranella rufescens | Dicranaceae
|
| ANSC12 | Anisothecium schreberianum (Hedw.) Dix. | Dicranella schreberiana var. schreberiana | Dicranaceae
|
| ANVA2 | Anisothecium vaginale (Hedw.) Loeske | Dicranella crispa | Dicranaceae
|
| ANVA3 | Anisothecium varium (Hedw.) Mitt. | Dicranella varia | Dicranaceae
|
| ANVU2 | Anisum vulgare Gaertner | Pimpinella anisum | Apiaceae
|
| ANHA4 | Anneslea haematostoma (Bertero ex DC.) Britt. | Calliandra haematomma | Fabaceae
|
| ANPO6 | Anneslea portoricensis (Jacq.) Britt. | Zapoteca portoricensis | Fabaceae
|
| ANPU11 | Anneslea purpurea (L.) Britt. | Calliandra purpurea | Fabaceae
|
| ANCH4 | Annona cheirimola P. Mill. | cherimoya | Annonaceae
|
| ANCH9 | Annona cherimola Miller | cherimoya | Annonaceae
|
| ANDI11 | Annona diversifolia Saff. | ilama | Annonaceae
|
| ANGL4 | Annona glabra L. | pond apple | Annonaceae
|
| ANMO | Annona montana Macfad. | mountain soursop | Annonaceae
|
| ANMU2 | Annona muricata L. | soursop | Annonaceae
|
| ANPU13 | Annona purpurea Mocino & Sesse ex Dunal | annona | Annonaceae
|