| abelmoschus esculentus | Yes | species | eukaryota | plants | species | 455045 | click here |
| abies | Yes | | | plants | genus | 3319 | click here |
| abies alba | Yes | species | eukaryota | plants | species | 45372 | click here |
| abies lasiocarpa | Yes | species | eukaryota | plants | species | 34340 | click here |
| acacia mangium | Yes | species | eukaryota | plants | species | 224085 | click here |
| acacia verticillata | Yes | species | eukaryota | plants | species | 139017 | click here |
| acalypha australis | Yes | species | eukaryota | plants | species | 720869 | click here |
| acanthocereus tetragonus | Yes | species | eukaryota | plants | species | 336110 | click here |
| acanthus ilicifolius | Yes | species | eukaryota | plants | species | 328098 | click here |
| acer | Yes | | | plants | genus | 4022 | click here |
| acer campestre | Yes | species | eukaryota | plants | species | 66205 | click here |
| acer macrophyllum | Yes | species | eukaryota | plants | species | 66211 | click here |
| acer pseudoplatanus | Yes | species | eukaryota | plants | species | 4026 | click here |
| acer tataricum subsp. ginnala | Yes | subspecies | eukaryota | plants | subspecies | 57656 | click here |
| achillea millefolium | Yes | species | eukaryota | plants | species | 13329 | click here |
| acromyrmex crassispinus | Yes | species | eukaryota | invertebrates | species | 230684 | click here |
| acropora formosa | Yes | species | eukaryota | invertebrates | species | 126732 | click here |
| adiantum | Yes | | | plants | genus | 13817 | click here |
| adiantum tenerum | Yes | species | eukaryota | plants | species | 306129 | 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 |
| aeonium arboreum | Yes | species | eukaryota | plants | species | 35945 | click here |
| aesculus chinensis | Yes | species | eukaryota | plants | species | 290911 | click here |
| aesculus hippocastanum | Yes | species | eukaryota | plants | species | 43364 | click here |
| agaricus bisporus | Yes | species | eukaryota | plants | species | 5341 | click here |
| agave salmiana | Yes | species | eukaryota | plants | species | 332343 | click here |
| agave tequilana | Yes | species | eukaryota | plants | species | 386106 | click here |
| agelas oroides | Yes | species | eukaryota | invertebrates | species | 72715 | click here |
| ageratina adenophora | Yes | species | eukaryota | plants | species | 176616 | click here |
| agrimonia pilosa | Yes | species | eukaryota | plants | species | 74656 | click here |
| agropyron cristatum | Yes | species | eukaryota | plants | species | 4593 | click here |
| ahnfeltiopsis flabelliformis | Yes | species | eukaryota | plants | species | 38507 | click here |
| ailuropoda melanoleuca | Yes | species | eukaryota | mammals | species | 9646 | click here |
| ajuga reptans | Yes | species | eukaryota | plants | species | 38596 | click here |
| akebia trifoliata | Yes | species | eukaryota | plants | species | 155132 | click here |
| albizia lebbeck | Yes | species | eukaryota | plants | species | 371650 | click here |
| alcyonidium gelatinosum | Yes | species | eukaryota | invertebrates | species | 51987 | click here |
| allium ampeloprasum | Yes | species | eukaryota | plants | species | 4681 | click here |
| allium sativum | Yes | species | eukaryota | plants | species | 4682 | click here |
| allium schoenoprasum | Yes | species | eukaryota | plants | species | 74900 | click here |
| alloxylon wickhamii | Yes | species | eukaryota | plants | species | 83845 | click here |
| alnus | Yes | | | plants | genus | 3515 | click here |
| alnus firma | Yes | species | eukaryota | plants | species | 109059 | click here |
| alnus glutinosa | Yes | species | eukaryota | plants | species | 3517 | click here |
| alnus incana | Yes | species | eukaryota | plants | species | 3516 | click here |
| aloidendron dichotomum | Yes | species | | | species | 888276 | click here |
| alstroemeria hybrid cultivar | Yes | subspecies | eukaryota | plants | species | 160839 | 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 |
| ammophila arenaria | Yes | species | eukaryota | plants | species | 96047 | click here |
| amorphophallus titanum | Yes | species | eukaryota | plants | species | 175755 | click here |
| ampelopsis japonica | Yes | species | eukaryota | plants | species | 714442 | click here |
| ananas comosus | Yes | species | eukaryota | plants | species | 4615 | click here |
| andrographis | Yes | | | plants | genus | 175693 | click here |
| anemone rivularis | Yes | species | eukaryota | plants | species | 168006 | click here |
| anoectochilus roxburghii | Yes | species | eukaryota | plants | species | 569774 | click here |
| anopheles gambiae | Yes | species | eukaryota | invertebrates | species | 7165 | click here |
| anoplistes halodendri | Yes | species | eukaryota | invertebrates | species | 993115 | click here |
| anthopleura xanthogrammica | Yes | species | eukaryota | invertebrates | species | 6112 | click here |
| anthozoa | Yes | | | invertebrates | class | 6101 | click here |
| anthyllis barba-jovis | Yes | no rank | eukaryota | plants | species | 168127 | click here |
| anura | Yes | | | vertebrates | order | 8342 | click here |
| apeiba membranacea | Yes | species | eukaryota | plants | species | 681408 | click here |
| aphidoidea | Yes | | | invertebrates | superfamily | 33385 | click here |
| aphis gossypii | Yes | species | eukaryota | invertebrates | species | 80765 | click here |
| apiosporina morbosa | Yes | species | eukaryota | plants | species | 191326 | click here |
| apium graveolens | Yes | species | eukaryota | plants | species | 4045 | click here |
| aplysina fistularis | Yes | species | eukaryota | invertebrates | species | 202113 | click here |
| apocynaceae | Yes | | | plants | family | 4056 | click here |
| aquilaria crassna | Yes | species | eukaryota | plants | species | 223751 | click here |
| aquilaria sinensis | Yes | species | eukaryota | plants | species | 210372 | click here |
| arabidopsis thaliana | Yes | species | eukaryota | plants | species | 3702 | click here |
| arabis alpina | Yes | species | eukaryota | plants | species | 50452 | click here |
| arachis hypogaea | Yes | species | eukaryota | plants | species | 3818 | click here |
| aralia cordata | Yes | species | eukaryota | plants | species | 29746 | click here |
| arbutus unedo | Yes | species | eukaryota | plants | species | 84005 | click here |
| arceuthobium americanum | Yes | species | eukaryota | plants | species | 35977 | click here |
| arceuthobium oxycedri | Yes | species | eukaryota | plants | species | 35989 | click here |
| arctoscopus japonicus | Yes | species | eukaryota | vertebrates | species | 148607 | click here |
| arctostaphylos pallida | Yes | species | eukaryota | plants | species | 143378 | click here |
| arctostaphylos uva-ursi | Yes | no rank | eukaryota | plants | species | 84009 | click here |
| ardisia revoluta | Yes | species | eukaryota | plants | species | 671251 | click here |
| areca | Yes | | | plants | genus | 115440 | click here |
| arenicola marina | Yes | species | eukaryota | invertebrates | species | 6344 | click here |
| artemisia argyi | Yes | species | eukaryota | plants | species | 259893 | click here |
| artemisia thuscula | Yes | species | eukaryota | plants | species | 401939 | click here |
| arthrocnemum macrostachyum | Yes | species | eukaryota | plants | species | 239181 | click here |
| arthropoda | Yes | | | invertebrates | phylum | 6656 | click here |
| artocarpus altilis | Yes | species | eukaryota | plants | species | 194251 | click here |
| arundo | Yes | | | plants | genus | 35707 | click here |
| asimina triloba | Yes | species | eukaryota | plants | species | 12953 | click here |
| aspalathus linearis | Yes | species | eukaryota | plants | species | 155124 | click here |
| asparagopsis taxiformis | Yes | species | eukaryota | plants | species | 260499 | click here |
| asteriscus sericeus | Yes | species | eukaryota | plants | species | 41614 | click here |
| asteroidea | Yes | | | invertebrates | class | 7588 | click here |
| astragalus adsurgens | Yes | species | eukaryota | plants | species | 20401 | click here |
| astragalus membranaceus | Yes | species | eukaryota | plants | species | 649199 | click here |
| atriplex canescens | Yes | species | eukaryota | plants | species | 35922 | click here |