| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abelmoschus manihot | Yes | species | eukaryota | plants | species | 183220 | click here |
| abies | Yes | | | plants | genus | 3319 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies koreana | Yes | species | eukaryota | plants | species | 97170 | click here |
| abies lasiocarpa | Yes | species | eukaryota | plants | species | 34340 | click here |
| abutilon theophrasti | Yes | species | eukaryota | plants | species | 3631 | click here |
| acacia | Yes | | | plants | genus | 3808 | click here |
| acalypha indica | Yes | species | | | species | 478095 | click here |
| acanthus ilicifolius | Yes | species | eukaryota | plants | species | 328098 | click here |
| acca sellowiana | Yes | species | eukaryota | plants | species | 260130 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer macrophyllum | Yes | species | eukaryota | plants | species | 66211 | click here |
| acer negundo | Yes | species | eukaryota | plants | species | 4023 | click here |
| acer opalus | Yes | species | eukaryota | plants | species | 168567 | click here |
| acer pictum subsp. mono | Yes | species | eukaryota | plants | species | 47963 | click here |
| acer pseudoplatanus | Yes | species | eukaryota | plants | species | 4026 | click here |
| acer tataricum subsp. ginnala | Yes | subspecies | eukaryota | plants | subspecies | 57656 | click here |
| acer truncatum | Yes | species | eukaryota | plants | species | 47965 | click here |
| achillea | Yes | | | plants | genus | 13328 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| aconitum heterophyllum | Yes | species | eukaryota | plants | species | 279769 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| acropora formosa | Yes | species | eukaryota | invertebrates | species | 126732 | click here |
| actaea dahurica | Yes | species | eukaryota | plants | species | 64029 | click here |
| actiniaria | Yes | | | invertebrates | order | 6103 | 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 |
| actinotrichia fragilis | Yes | species | eukaryota | plants | species | 268562 | click here |
| adansonia digitata | Yes | species | eukaryota | plants | species | 69109 | click here |
| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aegiceras corniculatum | Yes | species | eukaryota | plants | species | 59970 | click here |
| aegle marmelos | Yes | species | eukaryota | plants | species | 68527 | click here |
| aeluropus lagopoides | Yes | species | eukaryota | plants | species | 293749 | click here |
| aesculus chinensis | Yes | species | eukaryota | plants | species | 290911 | click here |
| agapanthus | Yes | | | plants | genus | 51426 | click here |
| agapornis | Yes | | | vertebrates | genus | 60461 | click here |
| agaricus bisporus | Yes | species | eukaryota | plants | species | 5341 | click here |
| agathis macrophylla | Yes | species | eukaryota | plants | species | 56990 | click here |
| agave americana | Yes | species | eukaryota | plants | species | 39510 | click here |
| agave salmiana | Yes | species | eukaryota | plants | species | 332343 | click here |
| agave sisalana | Yes | species | eukaryota | plants | species | 442491 | click here |
| agelas oroides | Yes | species | eukaryota | invertebrates | species | 72715 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| ageratum | Yes | | | plants | genus | 55597 | click here |
| ageratum houstonianum | Yes | species | eukaryota | plants | species | 55598 | click here |
| aglaia elaeagnoidea | Yes | species | eukaryota | plants | species | 201007 | click here |
| aglaonema commutatum | Yes | species | | | species | 1210880 | click here |
| agropyron | Yes | | | plants | genus | 4592 | click here |
| agropyron desertorum | Yes | species | eukaryota | plants | species | 382394 | click here |
| agrostis | Yes | | | plants | genus | 15297 | click here |
| agrostis stolonifera | Yes | species | eukaryota | plants | species | 63632 | click here |
| ailanthus | Yes | | | plants | genus | 23809 | click here |
| ailanthus altissima | Yes | species | eukaryota | plants | species | 23810 | click here |
| ailanthus excelsa | Yes | species | | | species | 1133704 | click here |
| akebia trifoliata | Yes | species | eukaryota | plants | species | 155132 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| alcea rosea | Yes | species | eukaryota | plants | species | 65557 | click here |
| alisma plantago-aquatica subsp. orientale | Yes | species | eukaryota | plants | species | 262913 | click here |
| alliaria petiolata | Yes | species | eukaryota | plants | species | 126270 | click here |
| allium | Yes | | | plants | genus | 4678 | click here |
| allium ampeloprasum | Yes | species | eukaryota | plants | species | 4681 | click here |
| allium cepa | Yes | species | eukaryota | plants | species | 4679 | click here |
| allium cepa var. aggregatum | Yes | varietas | eukaryota | plants | varietas | 28911 | click here |
| allium fistulosum | Yes | species | eukaryota | plants | species | 35875 | click here |
| allium ochotense | Yes | species | eukaryota | plants | species | 669879 | click here |
| allium sativum | Yes | species | eukaryota | plants | species | 4682 | click here |
| allium victorialis | Yes | species | eukaryota | plants | species | 88845 | click here |
| alnus glutinosa | Yes | species | eukaryota | plants | species | 3517 | click here |
| alnus incana | Yes | species | eukaryota | plants | species | 3516 | click here |
| alnus nepalensis | Yes | species | eukaryota | plants | species | 109066 | click here |
| aloe vera | Yes | species | eukaryota | plants | species | 34199 | click here |
| aloysia citrodora | Yes | species | eukaryota | plants | species | 925377 | click here |
| alpinia officinarum | Yes | species | eukaryota | plants | species | 199623 | click here |
| alstroemeria sp. | Yes | no rank | eukaryota | plants | species | 59035 | click here |
| alternanthera denticulata | Yes | species | eukaryota | plants | species | 527697 | click here |
| alternanthera philoxeroides | Yes | species | eukaryota | plants | species | 381410 | click here |
| althaea officinalis | Yes | species | eukaryota | plants | species | 145745 | click here |
| amaranthus hypochondriacus | Yes | species | eukaryota | plants | species | 28502 | click here |
| amaranthus retroflexus | Yes | species | eukaryota | plants | species | 124763 | click here |
| ambrosia artemisiifolia | Yes | species | eukaryota | plants | species | 4212 | click here |
| ambrosia psilostachya | Yes | species | eukaryota | plants | species | 29715 | click here |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amorpha fruticosa | Yes | species | eukaryota | plants | species | 48131 | click here |
| amorphophallus muelleri | Yes | species | eukaryota | plants | species | 175741 | click here |
| amorphophallus paeoniifolius | Yes | species | eukaryota | plants | species | 174187 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| anagallis arvensis | Yes | species | eukaryota | plants | species | 4337 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| andrographis | Yes | | | plants | genus | 175693 | click here |
| andromeda polifolia | Yes | species | eukaryota | plants | species | 95630 | click here |
| andropogon | Yes | | | plants | genus | 15314 | click here |
| andropogon gerardii | Yes | species | eukaryota | plants | species | 79824 | click here |
| androsace obtusifolia | Yes | species | eukaryota | plants | species | 229450 | click here |
| anemone occidentalis | Yes | species | eukaryota | plants | species | 174168 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anethum foeniculum | Yes | species | | | species | 2849586 | click here |
| angelica keiskei | Yes | species | eukaryota | plants | species | 357850 | click here |
| angelica sinensis | Yes | species | eukaryota | plants | species | 165353 | click here |