| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies holophylla | Yes | species | eukaryota | plants | species | 97168 | click here |
| abutilon theophrasti | Yes | species | eukaryota | plants | species | 3631 | click here |
| acacia hindsii | Yes | species | eukaryota | plants | species | 223432 | click here |
| acacia melanoxylon | Yes | species | eukaryota | plants | species | 138028 | click here |
| acalypha diversifolia | Yes | species | eukaryota | plants | species | 681400 | click here |
| acanthus | Yes | | | plants | genus | 13326 | click here |
| acanthus ilicifolius | Yes | species | eukaryota | plants | species | 328098 | click here |
| acca sellowiana | Yes | species | eukaryota | plants | species | 260130 | click here |
| acer cappadocicum | Yes | species | eukaryota | plants | species | 169053 | click here |
| acer palmatum | Yes | species | eukaryota | plants | species | 66201 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| achillea santolina | Yes | species | | | species | 1028379 | click here |
| achyranthes aspera | Yes | species | eukaryota | plants | species | 240005 | click here |
| acorus calamus | Yes | species | eukaryota | plants | species | 4465 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| acronychia oblongifolia | Yes | species | eukaryota | plants | species | 273130 | click here |
| actinidia | Yes | | | plants | genus | 3624 | click here |
| actinidia arguta | Yes | species | eukaryota | plants | species | 64478 | click here |
| actinidia chinensis | Yes | species | eukaryota | plants | species | 3625 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| aegilops cylindrica | Yes | species | eukaryota | plants | species | 130456 | click here |
| aegle marmelos | Yes | species | eukaryota | plants | species | 68527 | click here |
| aeschynanthus radicans | Yes | species | eukaryota | plants | species | 45166 | click here |
| aeschynomene americana | Yes | species | eukaryota | plants | species | 134032 | click here |
| aeschynomene falcata | Yes | species | eukaryota | plants | species | 561485 | click here |
| aeschynomene virginica | Yes | species | eukaryota | plants | species | 108276 | click here |
| aesculus chinensis | Yes | species | eukaryota | plants | species | 290911 | click here |
| agapanthus | Yes | | | plants | genus | 51426 | click here |
| agathis australis | Yes | species | eukaryota | plants | species | 58027 | click here |
| agave americana | Yes | species | eukaryota | plants | species | 39510 | click here |
| agave angustifolia | Yes | species | eukaryota | plants | species | 382117 | click here |
| agave striata | Yes | species | eukaryota | plants | species | 39514 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| aglaia elaeagnoidea | Yes | species | eukaryota | plants | species | 201007 | click here |
| aglaonema commutatum | Yes | species | | | species | 1210880 | click here |
| aglaonema modestum | Yes | species | eukaryota | plants | species | 174182 | click here |
| agrostis canina | Yes | species | eukaryota | plants | species | 218142 | click here |
| agrostis capillaris | Yes | species | eukaryota | plants | species | 204232 | click here |
| agrostis stolonifera | Yes | species | eukaryota | plants | species | 63632 | click here |
| ailanthus altissima | Yes | species | eukaryota | plants | species | 23810 | click here |
| akebia trifoliata | Yes | species | eukaryota | plants | species | 155132 | click here |
| alangium salviifolium | Yes | species | eukaryota | plants | species | 616984 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| allamanda cathartica | Yes | species | eukaryota | plants | species | 52818 | click here |
| alliaria petiolata | Yes | species | eukaryota | plants | species | 126270 | click here |
| allium ampeloprasum | Yes | species | eukaryota | plants | species | 4681 | click here |
| allium angulosum | Yes | species | eukaryota | plants | species | 105301 | click here |
| allium ascalonicum | Yes | species | | | species | 1476995 | click here |
| allium cepa | Yes | species | eukaryota | plants | species | 4679 | click here |
| allium fistulosum | Yes | species | eukaryota | plants | species | 35875 | click here |
| allium giganteum | Yes | species | eukaryota | plants | species | 70758 | click here |
| allium ledebourianum | Yes | species | eukaryota | plants | species | 165630 | click here |
| allium sativum | Yes | species | eukaryota | plants | species | 4682 | click here |
| allium schoenoprasum | Yes | species | eukaryota | plants | species | 74900 | click here |
| allium triquetrum | Yes | species | eukaryota | plants | species | 74902 | click here |
| alnus nepalensis | Yes | species | eukaryota | plants | species | 109066 | click here |
| alocasia | Yes | | | plants | genus | 4455 | click here |
| alocasia macrorrhizos | Yes | species | eukaryota | plants | species | 4456 | click here |
| aloe vera | Yes | species | eukaryota | plants | species | 34199 | click here |
| alpinia chinensis | Yes | species | eukaryota | plants | species | 518704 | click here |
| alpinia purpurata | Yes | species | eukaryota | plants | species | 230707 | click here |
| alsophila gigantea | Yes | species | eukaryota | plants | species | 204588 | click here |
| amaranthus | Yes | | | plants | genus | 3564 | click here |
| amaranthus tricolor | Yes | species | eukaryota | plants | species | 29722 | click here |
| ambrosia artemisiifolia | Yes | species | eukaryota | plants | species | 4212 | click here |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amomum | Yes | | | plants | genus | 188482 | click here |
| amorphophallus muelleri | Yes | species | eukaryota | plants | species | 175741 | click here |
| amorphophallus paeoniifolius | Yes | species | eukaryota | plants | species | 174187 | click here |
| ampelopsis | Yes | | | plants | genus | 125007 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| anacardium | Yes | | | plants | genus | 171928 | click here |
| anacardium excelsum | Yes | species | eukaryota | plants | species | 638922 | click here |
| anacardium humile | Yes | species | | | species | 1105347 | click here |
| anacardium occidentale | Yes | species | eukaryota | plants | species | 171929 | click here |
| andrographis | Yes | | | plants | genus | 175693 | click here |
| andrographis paniculata | Yes | species | eukaryota | plants | species | 175694 | click here |
| anemarrhena asphodeloides | Yes | species | eukaryota | plants | species | 59045 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anethum foeniculum | Yes | species | | | species | 2849586 | click here |
| ania penangiana | Yes | species | eukaryota | plants | species | 159939 | click here |
| anisomeles indica | Yes | species | eukaryota | plants | species | 516069 | click here |
| annona cherimola | Yes | species | eukaryota | plants | species | 49314 | click here |
| annona muricata | Yes | species | eukaryota | plants | species | 13337 | click here |
| annona reticulata | Yes | species | eukaryota | plants | species | 301862 | click here |
| annona squamosa | Yes | species | eukaryota | plants | species | 301693 | click here |
| annona x atemoya | Yes | no rank | eukaryota | plants | species | 169284 | click here |
| annonaceae | Yes | | | plants | family | 22140 | click here |
| anoectochilus lylei | Yes | species | | | species | 1127246 | click here |
| anoectochilus roxburghii | Yes | species | eukaryota | plants | species | 569774 | click here |
| anthoxanthum australe | Yes | species | eukaryota | plants | species | 389631 | click here |
| anthoxanthum redolens | Yes | species | eukaryota | plants | species | 480613 | click here |
| anthriscus | Yes | | | plants | genus | 40886 | click here |
| anthriscus sylvestris | Yes | species | eukaryota | plants | species | 48027 | click here |
| anthurium | Yes | | | plants | genus | 78377 | click here |
| anthurium andraeanum | Yes | species | eukaryota | plants | species | 226677 | click here |
| antidesma ghaesembilla | Yes | species | | | species | 1095265 | click here |
| apiaceae | Yes | | | plants | family | 4037 | click here |