| sophora japonica | Yes | species | eukaryota | plants | species | 3897 | click here |
| sophora tonkinensis | Yes | species | eukaryota | plants | species | 714503 | click here |
| sorghum | Yes | | | plants | genus | 4557 | click here |
| sorghum bicolor | Yes | species | eukaryota | plants | species | 4558 | click here |
| sparassis crispa | Yes | species | eukaryota | plants | species | 139825 | click here |
| spermacoce neohispida | Yes | species | eukaryota | plants | species | 60356 | click here |
| sphaerococcus coronopifolius | Yes | species | eukaryota | plants | species | 31467 | click here |
| sphaerophysa salsula | Yes | species | eukaryota | plants | species | 47651 | click here |
| spheniscus magellanicus | Yes | species | eukaryota | vertebrates | species | 37081 | click here |
| spinacia oleracea | Yes | species | eukaryota | plants | species | 3562 | click here |
| spiranthes sinensis | Yes | species | eukaryota | plants | species | 117406 | click here |
| spirastrella cunctatrix | Yes | species | | | species | 1368214 | click here |
| spodoptera litura | Yes | species | eukaryota | invertebrates | species | 69820 | click here |
| spondias mombin | Yes | species | eukaryota | plants | species | 80338 | click here |
| spongia | Yes | | | invertebrates | genus | 121489 | click here |
| sporobolus alterniflorus | Yes | species | eukaryota | plants | species | 29706 | click here |
| sporobolus maritimus | Yes | species | eukaryota | plants | species | 49786 | click here |
| stanleya pinnata | Yes | species | eukaryota | plants | species | 72662 | click here |
| stellera chamaejasme | Yes | species | eukaryota | plants | species | 142738 | click here |
| stenocereus queretaroensis | Yes | species | eukaryota | plants | species | 336162 | click here |
| stereonephthya | Yes | | | invertebrates | genus | 361007 | click here |
| stevia rebaudiana | Yes | species | eukaryota | plants | species | 55670 | click here |
| stipa krylovii | Yes | species | eukaryota | plants | species | 408133 | click here |
| stipa purpurea | Yes | species | eukaryota | plants | species | 481984 | click here |
| stryphnodendron adstringens | Yes | species | eukaryota | plants | species | 397648 | click here |
| suaeda aegyptiaca | Yes | species | eukaryota | plants | species | 224153 | click here |
| suaeda monoica | Yes | species | eukaryota | plants | species | 224178 | click here |
| suaeda vermiculata | Yes | species | eukaryota | plants | species | 224191 | click here |
| subergorgia suberosa | Yes | species | eukaryota | invertebrates | species | 767284 | click here |
| suberites aurantiacus | Yes | species | eukaryota | invertebrates | species | 458330 | click here |
| sula nebouxii | Yes | species | eukaryota | vertebrates | species | 37087 | click here |
| sula sula | Yes | species | eukaryota | vertebrates | species | 57662 | click here |
| sula variegata | Yes | species | eukaryota | vertebrates | species | 57663 | click here |
| sulla pallida | Yes | species | eukaryota | plants | species | 754905 | click here |
| sus scrofa | Yes | species | eukaryota | mammals | species | 9823 | click here |
| sycon ciliatum | Yes | species | eukaryota | invertebrates | species | 27933 | click here |
| sympegma regelii | Yes | species | eukaryota | plants | species | 240121 | click here |
| symphonia globulifera | Yes | species | eukaryota | plants | species | 156483 | click here |
| symplocos lancifolia | Yes | species | eukaryota | plants | species | 239704 | click here |
| syringodium isoetifolium | Yes | species | eukaryota | plants | species | 55323 | click here |
| syzygium cumini | Yes | species | eukaryota | plants | species | 260142 | click here |
| syzygium zeylanicum | Yes | species | eukaryota | plants | species | 334508 | click here |
| tabernaemontana divaricata | Yes | species | eukaryota | plants | species | 52861 | click here |
| talipariti tiliaceum | Yes | species | eukaryota | plants | species | 183267 | click here |
| tamarix | Yes | | | plants | genus | 63084 | click here |
| tamarix aphylla | Yes | species | eukaryota | plants | species | 189786 | click here |
| tamarix hispida | Yes | species | eukaryota | plants | species | 189793 | click here |
| tamarix ramosissima | Yes | species | eukaryota | plants | species | 189803 | click here |
| taxus baccata | Yes | species | eukaryota | plants | species | 25629 | click here |
| taxus cuspidata | Yes | species | eukaryota | plants | species | 99806 | click here |
| taxus fuana | Yes | species | eukaryota | plants | species | 450882 | click here |
| taxus globosa | Yes | species | eukaryota | plants | species | 156271 | click here |
| taxus mairei | Yes | species | eukaryota | plants | species | 120273 | click here |
| taxus wallichiana | Yes | species | eukaryota | plants | species | 147273 | click here |
| taxus wallichiana var. wallichiana | Yes | varietas | eukaryota | plants | varietas | 147275 | click here |
| taxus x media | Yes | subspecies | eukaryota | plants | species | 85957 | click here |
| tecomella undulata | Yes | species | eukaryota | plants | species | 680229 | click here |
| tectona grandis | Yes | species | eukaryota | plants | species | 41396 | click here |
| tenebrio molitor | Yes | species | eukaryota | invertebrates | species | 7067 | click here |
| tephrosia purpurea | Yes | species | eukaryota | plants | species | 228354 | click here |
| tephrosia purpurea subsp. apollinea | Yes | subspecies | | | subspecies | 1390541 | click here |
| teredo | Yes | | | invertebrates | genus | 263428 | click here |
| terminalia arjuna | Yes | species | eukaryota | plants | species | 172200 | click here |
| terminalia bellirica | Yes | species | eukaryota | plants | species | 155021 | click here |
| tetragonula laeviceps | Yes | species | eukaryota | invertebrates | species | 270522 | click here |
| teucrium stocksianum | Yes | species | | | species | 1209892 | click here |
| thalassia hemprichii | Yes | species | eukaryota | plants | species | 55496 | click here |
| thaumatotibia leucotreta | Yes | species | eukaryota | invertebrates | species | 463830 | click here |
| thelephora ganbajun | Yes | species | eukaryota | plants | species | 370292 | click here |
| theobroma cacao | Yes | species | eukaryota | plants | species | 3641 | click here |
| theonella swinhoei | Yes | species | | | species | 37505 | click here |
| thereuopoda | Yes | | | invertebrates | genus | 60459 | click here |
| thermopsis lanceolata | Yes | species | eukaryota | plants | species | 114320 | click here |
| thespesia populnea | Yes | species | eukaryota | plants | species | 3638 | click here |
| thlaspi perfoliatum | Yes | species | eukaryota | plants | species | 126278 | click here |
| tinospora cordifolia | Yes | species | eukaryota | plants | species | 285590 | click here |
| toddalia asiatica | Yes | species | eukaryota | plants | species | 159068 | click here |
| tragia involucrata | Yes | species | | | species | 1378009 | click here |
| tribolium castaneum | Yes | species | eukaryota | invertebrates | species | 7070 | click here |
| trichopodus pectoralis | Yes | species | eukaryota | vertebrates | species | 313238 | click here |
| trichopodus trichopterus | Yes | species | eukaryota | vertebrates | species | 96903 | click here |
| tripterygium wilfordii | Yes | species | eukaryota | plants | species | 458696 | click here |
| trisetum spicatum | Yes | species | eukaryota | plants | species | 100813 | click here |
| triticum aestivum | Yes | species | eukaryota | plants | species | 4565 | click here |
| triticum monococcum subsp. aegilopoides | Yes | subspecies | eukaryota | plants | subspecies | 52163 | click here |
| triticum sp. | Yes | no rank | eukaryota | plants | species | 4569 | click here |
| tuber indicum | Yes | species | eukaryota | plants | species | 55307 | click here |
| tupaia glis | Yes | species | eukaryota | mammals | species | 9395 | click here |
| ulmus minor | Yes | species | eukaryota | plants | species | 262084 | click here |
| ulva | Yes | | | plants | genus | 3118 | click here |
| ulva lactuca | Yes | species | eukaryota | plants | species | 63410 | click here |
| ulva linza | Yes | species | eukaryota | plants | species | 63409 | click here |
| ulva pertusa | Yes | species | eukaryota | plants | species | 3120 | click here |
| ulva rigida | Yes | species | eukaryota | plants | species | 75689 | click here |
| undaria | Yes | | | plants | genus | 74380 | click here |
| urtica dioica | Yes | species | eukaryota | plants | species | 3501 | click here |
| usnea longissima | Yes | species | eukaryota | plants | species | 143883 | click here |
| ustilago nuda | Yes | species | eukaryota | plants | species | 86802 | click here |
| ustilago sp. | Yes | species | | | species | 1849495 | click here |
| vaccinium | Yes | | | plants | genus | 13749 | click here |