| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abrus precatorius | Yes | species | eukaryota | plants | species | 3816 | click here |
| abutilon theophrasti | Yes | species | eukaryota | plants | species | 3631 | click here |
| acacia hindsii | Yes | species | eukaryota | plants | species | 223432 | click here |
| acacia koa | Yes | species | eukaryota | plants | species | 468172 | click here |
| acacia mangium | Yes | species | eukaryota | plants | species | 224085 | click here |
| acacia mearnsii | Yes | species | eukaryota | plants | species | 139012 | click here |
| acanthaster planci | Yes | species | eukaryota | invertebrates | species | 133434 | click here |
| acanthus ilicifolius | Yes | species | eukaryota | plants | species | 328098 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer negundo | Yes | species | eukaryota | plants | species | 4023 | click here |
| acer pseudoplatanus | Yes | species | eukaryota | plants | species | 4026 | click here |
| acer spicatum | Yes | species | eukaryota | plants | species | 57652 | click here |
| acer tataricum subsp. ginnala | Yes | subspecies | eukaryota | plants | subspecies | 57656 | click here |
| achillea | Yes | | | plants | genus | 13328 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| achillea santolina | Yes | species | | | species | 1028379 | click here |
| acianthera teres | Yes | species | eukaryota | plants | species | 180092 | click here |
| acorus calamus | Yes | species | eukaryota | plants | species | 4465 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| acropora formosa | Yes | species | eukaryota | invertebrates | species | 126732 | click here |
| actinidia chinensis | Yes | species | eukaryota | plants | species | 3625 | click here |
| actinidia deliciosa | Yes | species | eukaryota | plants | species | 3627 | click here |
| actinotus helianthi | Yes | species | eukaryota | plants | species | 160769 | click here |
| acyrthosiphon pisum | Yes | species | eukaryota | invertebrates | species | 7029 | click here |
| adansonia digitata | Yes | species | eukaryota | plants | species | 69109 | click here |
| adenophora capillaris | Yes | species | | | species | 1392102 | click here |
| aechmea fasciata | Yes | species | eukaryota | plants | species | 326768 | click here |
| aedes aegypti | Yes | species | eukaryota | invertebrates | species | 7159 | click here |
| aegiceras corniculatum | Yes | species | eukaryota | plants | species | 59970 | click here |
| aegilops triuncialis | Yes | species | eukaryota | plants | species | 39391 | click here |
| aegle marmelos | Yes | species | eukaryota | plants | species | 68527 | click here |
| aesculus hippocastanum | Yes | species | eukaryota | plants | species | 43364 | click here |
| agapanthus africanus | Yes | species | eukaryota | plants | species | 51501 | click here |
| agapanthus praecox | Yes | species | eukaryota | plants | species | 186128 | click here |
| agaricus bisporus | Yes | species | eukaryota | plants | species | 5341 | click here |
| agastache rugosa | Yes | species | eukaryota | plants | species | 39271 | click here |
| agave americana | Yes | species | eukaryota | plants | species | 39510 | click here |
| agave sisalana | Yes | species | eukaryota | plants | species | 442491 | click here |
| agave tequilana | Yes | species | eukaryota | plants | species | 386106 | click here |
| agelas | Yes | | | invertebrates | genus | 72714 | click here |
| agelas oroides | Yes | species | eukaryota | invertebrates | species | 72715 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| aglaonema | Yes | | | plants | genus | 174181 | click here |
| ailanthus altissima | Yes | species | eukaryota | plants | species | 23810 | click here |
| albizia julibrissin | Yes | species | eukaryota | plants | species | 3813 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| alcyonidium gelatinosum | Yes | species | eukaryota | invertebrates | species | 51987 | click here |
| aleurocanthus woglumi | Yes | species | | | species | 594258 | click here |
| alhagi maurorum | Yes | species | eukaryota | plants | species | 47037 | click here |
| allium ampeloprasum | Yes | species | eukaryota | plants | species | 4681 | click here |
| allium cepa | Yes | species | eukaryota | plants | species | 4679 | click here |
| allium chinense | Yes | species | eukaryota | plants | species | 130426 | click here |
| allium fistulosum | Yes | species | eukaryota | plants | species | 35875 | click here |
| allium sativum | Yes | species | eukaryota | plants | species | 4682 | click here |
| allium triquetrum | Yes | species | eukaryota | plants | species | 74902 | click here |
| allium tuberosum | Yes | species | eukaryota | plants | species | 4683 | click here |
| alnus incana | Yes | species | eukaryota | plants | species | 3516 | click here |
| alocasia macrorrhizos | Yes | species | eukaryota | plants | species | 4456 | click here |
| alocasia odora | Yes | species | eukaryota | plants | species | 174188 | click here |
| aloe vera | Yes | species | eukaryota | plants | species | 34199 | click here |
| aloe x spinosissima | Yes | species | | | species | 1429993 | click here |
| aloysia citrodora | Yes | species | eukaryota | plants | species | 925377 | click here |
| alpinia purpurata | Yes | species | eukaryota | plants | species | 230707 | click here |
| alstonia scholaris | Yes | species | eukaryota | plants | species | 52822 | click here |
| alstroemeria sp. | Yes | no rank | eukaryota | plants | species | 59035 | click here |
| alternanthera philoxeroides | Yes | species | eukaryota | plants | species | 381410 | click here |
| amaranthus | Yes | | | plants | genus | 3564 | 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 |
| amentotaxus yunnanensis | Yes | species | eukaryota | plants | species | 89479 | click here |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amomum tsao-ko | Yes | no rank | eukaryota | plants | species | 252867 | click here |
| amomum villosum | Yes | species | eukaryota | plants | species | 199627 | click here |
| amorphophallus muelleri | Yes | species | eukaryota | plants | species | 175741 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| anacamptis laxiflora | Yes | species | eukaryota | plants | species | 59336 | click here |
| anacardium excelsum | Yes | species | eukaryota | plants | species | 638922 | click here |
| anacardium occidentale | Yes | species | eukaryota | plants | species | 171929 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| anaphalis contorta | Yes | species | | | species | 1209452 | click here |
| andrographis paniculata | Yes | species | eukaryota | plants | species | 175694 | click here |
| andropogon gerardii | Yes | species | eukaryota | plants | species | 79824 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anethum foeniculum | Yes | species | | | species | 2849586 | click here |
| angelica sinensis | Yes | species | eukaryota | plants | species | 165353 | click here |
| angiopteris evecta | Yes | species | eukaryota | plants | species | 13825 | click here |
| anisomeles indica | Yes | species | eukaryota | plants | species | 516069 | click here |
| annella | Yes | | | invertebrates | genus | 536087 | click here |
| annona squamosa | Yes | species | eukaryota | plants | species | 301693 | click here |
| anoectochilus elatus | Yes | species | | | species | 1798034 | click here |
| anoectochilus formosanus | Yes | species | eukaryota | plants | species | 173437 | click here |
| anoectochilus lylei | Yes | species | | | species | 1127246 | click here |
| anoectochilus roxburghii | Yes | species | eukaryota | plants | species | 569774 | click here |
| anogeissus latifolia | Yes | species | | | species | 1068672 | click here |
| anomospermum reticulatum | Yes | species | eukaryota | plants | species | 461551 | click here |
| anoplophora glabripennis | Yes | species | eukaryota | invertebrates | species | 217634 | click here |
| anredera cordifolia | Yes | species | eukaryota | plants | species | 46150 | click here |