| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| ALNO | Alnus noveboracensis Britt. | Alnus serrulata | Betulaceae
|
| ALOB2 | Alnus oblongifolia Torr. | Arizona alder | Betulaceae
|
| ALORP | Alnus oregona Nutt. var. pinnatisecta Starker | Alnus rubra | Betulaceae
|
| ALOR | Alnus oregona Nutt. | Alnus rubra | Betulaceae
|
| ALPU5 | Alnus �purpusii Callier | Alnus incana ssp. tenuifolia | Betulaceae
|
| ALRHB | Alnus rhombifolia Nutt. var. bernardina Munz & Johnston | Alnus rhombifolia | Betulaceae
|
| ALRH2 | Alnus rhombifolia Nutt. | white alder | Betulaceae
|
| ALRU2 | Alnus rubra Bong. | red alder | Betulaceae
|
| ALRUA | Alnus rugosa (Du Roi) Spreng. var. americana (Regel) Fern. | Alnus incana ssp. rugosa | Betulaceae
|
| ALRU3 | Alnus rugosa (Du Roi) Spreng. | Alnus incana ssp. rugosa | Betulaceae
|
| ALSES | Alnus serrulata (Ait.) Willd. var. subelliptica Fern. | Alnus serrulata | Betulaceae
|
| ALSE2 | Alnus serrulata (Ait.) Willd. | hazel alder | Betulaceae
|
| ALSI3 | Alnus sinuata (Regel) Rydb. | Alnus viridis ssp. sinuata | Betulaceae
|
| ALTE2 | Alnus tenuifolia Nutt. | Alnus incana ssp. tenuifolia | Betulaceae
|
| ALVIC | Alnus viridis (Vill.) Lam. & DC. ssp. crispa (Ait.) Turrill | mountain alder | Betulaceae
|
| ALVIF | Alnus viridis (Vill.) Lam. & DC. ssp. fruticosa (Rupr.) Nyman | Siberian alder | Betulaceae
|
| ALVIS | Alnus viridis (Vill.) Lam. & DC. ssp. sinuata (Regel) A.& D. L�ve | Sitka alder | Betulaceae
|
| ALVIC2 | Alnus viridis (Vill.) Lam. & DC. var. crispa (Ait.) House | Alnus viridis ssp. crispa | Betulaceae
|
| ALVIS2 | Alnus viridis (Vill.) Lam. & DC. var. sinuata Regel | Alnus viridis ssp. sinuata | Betulaceae
|
| ALVI5 | Alnus viridis (Vill.) Lam. & DC. | green alder | Betulaceae
|
| ALNUS | Alnus P. Mill. | alder | Betulaceae
|
| ALAL11 | Alocasia alba Schott | Alocasia macrorrhizos | Araceae
|
| ALBR14 | Alocasia brisbanensis (Bailey) Domin | Cunjevoi | Araceae
|
| ALCR14 | Alocasia crassifolia Engler | Alocasia macrorrhizos | Araceae
|
| ALCU5 | Alocasia cucullata (Lour.) G. Don | chinese taro | Araceae
|
| ALIN10 | Alocasia indica (Lour.) Spach | Alocasia macrorrhizos | Araceae
|
| ALMA17 | Alocasia macrorrhiza (L.) Schott | Alocasia macrorrhizos | Araceae
|
| ALMA11 | Alocasia macrorrhizos (L.) Schott | giant taro | Araceae
|
| ALPL5 | Alocasia plumbea K. Koch ex Van Houtte | metallic taro | Araceae
|
| ALOCA | Alocasia (Schott) G. Don | taro | Araceae
|
| ALAR8 | Aloe arborescens Miller | candelabra aloe | Aloeaceae
|
| ALBA | Aloe barbadensis P. Mill. | Aloe vera | Aloeaceae
|
| ALFE2 | Aloe ferox Miller | cape aloe | Aloeaceae
|
| ALGR8 | Aloe graminicola Reynolds | | Aloeaceae
|
| ALPEV | Aloe perfoliata L. var. vera L. | Aloe vera | Aloeaceae
|
| ALPE9 | Aloe perryi Baker | Perry's aloe | Aloeaceae
|
| ALSE10 | Aloe secundiflora Engl. | | Aloeaceae
|
| ALSU8 | Aloe succotrina All. | fynbos aloe | Aloeaceae
|
| ALVE2 | Aloe vera (L.) Burm. f. | Barbados aloe | Aloeaceae
|
| ALVU3 | Aloe vulgaris Lam. | Aloe vera | Aloeaceae
|
| ALOE | Aloe L. | aloe | Aloeaceae
|
| ALALA | Aloina aloides (J. Koch ex Schulz) Kindb. var. ambigua (Bruch & Schimp. in B.S.G.) Craig in Grout | ambiguous aloina moss | Pottiaceae
|
| ALAL12 | Aloina aloides (J. Koch ex Schulz) Kindb. | aloina moss | Pottiaceae
|
| ALBI7 | Aloina bifrons (De Not.) Delg. | aloina moss | Pottiaceae
|
| ALBR70 | Aloina brevirostris (Hook. & Grev.) Kindb. | aloina moss | Pottiaceae
|
| ALHA5 | Aloina hamulus (C. M�ll.) Broth. | aloina moss | Pottiaceae
|
| ALPI | Aloina pilifera (De Not.) Crum & Steere | Aloina bifrons | Pottiaceae
|
| ALRIP | Aloina rigida (Hedw.) Limpr. var. pilifera (De Not.) Limpr. | Aloina bifrons | Pottiaceae
|
| ALRI2 | Aloina rigida (Hedw.) Limpr. | rigid aloina moss | Pottiaceae
|
| ALOIN2 | Aloina Kindb. | aloina moss | Pottiaceae
|
| ALAEA | Alopecurus aequalis Sobol. var. aequalis | shortawn foxtail | Poaceae
|
| ALAEN | Alopecurus aequalis Sobol. var. natans (Wahlenb.) Fern. | Alopecurus aequalis var. aequalis | Poaceae
|
| ALAES | Alopecurus aequalis Sobol. var. sonomensis Rubtzoff | Sonoma shortawn foxtail | Poaceae
|
| ALAE | Alopecurus aequalis Sobol. | shortawn foxtail | Poaceae
|
| ALAG | Alopecurus agrestis L. | Alopecurus myosuroides | Poaceae
|
| ALALG | Alopecurus alpinus Sm. ssp. glaucus (Less.) Hult�n | Alopecurus alpinus | Poaceae
|
| ALALS | Alopecurus alpinus Sm. ssp. stejnegeri (Vasey) Hult�n | Alopecurus alpinus | Poaceae
|
| ALALG2 | Alopecurus alpinus Sm. var. glaucus (Less.) Krylov | Alopecurus alpinus | Poaceae
|
| ALALO | Alopecurus alpinus Sm. var. occidentalis (Scribn. & Tweedy) Boivin | Alopecurus alpinus | Poaceae
|
| ALALS2 | Alopecurus alpinus Sm. var. stejnegeri (Vasey) Hult�n | Alopecurus alpinus | Poaceae
|
| ALAL2 | Alopecurus alpinus Sm. | boreal alopecurus | Poaceae
|
| ALAR5 | Alopecurus aristulatus Michx. | Alopecurus aequalis var. aequalis | Poaceae
|
| ALAR | Alopecurus arundinaceus Poir. | creeping meadow foxtail | Poaceae
|
| ALBO6 | Alopecurus borealis Trin. | Alopecurus alpinus | Poaceae
|
| ALBR12 | Alopecurus brachystachus Bieb. | foxtail | Poaceae
|
| ALCA4 | Alopecurus carolinianus Walt. | Carolina foxtail | Poaceae
|
| ALCR7 | Alopecurus creticus Trin. | Cretan meadow foxtail | Poaceae
|
| ALGEA | Alopecurus geniculatus L. var. aristulatus (Michx.) Torr. | Alopecurus aequalis var. aequalis | Poaceae
|
| ALGE2 | Alopecurus geniculatus L. | water foxtail | Poaceae
|
| ALGL8 | Alopecurus glaucus Less. | Alopecurus alpinus | Poaceae
|
| ALHO3 | Alopecurus howellii Vasey | Alopecurus saccatus | Poaceae
|
| ALMA15 | Alopecurus macounii Vasey | Alopecurus carolinianus | Poaceae
|
| ALMO6 | Alopecurus monspeliensis L. | Polypogon monspeliensis | Poaceae
|
| ALMY | Alopecurus myosuroides Huds. | slender meadow foxtail | Poaceae
|
| ALOC7 | Alopecurus occidentalis Scribn. & Tweedy | Alopecurus alpinus | Poaceae
|
| ALPA9 | Alopecurus pallescens Piper | Alopecurus geniculatus | Poaceae
|
| ALPR3 | Alopecurus pratensis L. | meadow foxtail | Poaceae
|
| ALRA4 | Alopecurus ramosus Poir. | Alopecurus carolinianus | Poaceae
|
| ALRE3 | Alopecurus rendlei Eig. | Rendle's meadow foxtail | Poaceae
|
| ALSA3 | Alopecurus saccatus Vasey | Pacific foxtail | Poaceae
|
| ALVE | Alopecurus ventricosus Pers., non (Gouan) Huds. | Alopecurus arundinaceus | Poaceae
|
| ALOPE | Alopecurus L. | foxtail | Poaceae
|
| ALDR2 | Alophia drummondii (Graham) R.C. Foster | propeller flower | Iridaceae
|
| ALDR4 | Alophia drummondii auct. non (Graham) R.C. Foster | Herbertia lahue ssp. caerulea | Iridaceae
|
| ALOPH | Alophia Herbert | alophia | Iridaceae
|
| ALCI | Aloysia citriodora Ortega ex Pers. | Aloysia triphylla | Verbenaceae
|
| ALGRG | Aloysia gratissima (Gillies & Hook.) Troncoso var. gratissima | whitebrush | Verbenaceae
|
| ALGRS | Aloysia gratissima (Gillies & Hook.) Troncoso var. schulziae (Standl.) L. Benson | whitebrush | Verbenaceae
|
| ALGR2 | Aloysia gratissima (Gillies & Hook.) Troncoso | whitebrush | Verbenaceae
|
| ALLI4 | Aloysia ligustrina of authors | Aloysia gratissima | Verbenaceae
|
| ALLYS | Aloysia lycioides Cham. var. schulziae (Standl.) Moldenke | Aloysia gratissima var. schulziae | Verbenaceae
|
| ALLY2 | Aloysia lycioides Cham. | Aloysia gratissima var. gratissima | Verbenaceae
|
| ALMA9 | Aloysia macrostachya (Torr.) Moldenke | Rio Grande beebrush | Verbenaceae
|
| ALTR6 | Aloysia triphylla (L'H�r.) Britt. | lemon beebrush | Verbenaceae
|
| ALWR | Aloysia wrightii Heller ex Abrams | Wright's beebrush | Verbenaceae
|
| ALOYS | Aloysia Juss. | beebrush | Verbenaceae
|
| ALPOA | Alphitonia ponderosa Hbd. var. auwahiensis St. John | Alphitonia ponderosa | Rhamnaceae
|
| ALPOC | Alphitonia ponderosa Hbd. var. costata St. John | Alphitonia ponderosa | Rhamnaceae
|
| ALPOG | Alphitonia ponderosa Hbd. var. grandifolia St. John | Alphitonia ponderosa | Rhamnaceae
|
| ALPOK | Alphitonia ponderosa Hbd. var. kauila St. John | Alphitonia ponderosa | Rhamnaceae
|
| ALPOL | Alphitonia ponderosa Hbd. var. lanaiensis St. John | Alphitonia ponderosa | Rhamnaceae
|