| schizanthus | Yes | | | plants | genus | 24674 | click here |
| schoenoplectus triqueter | Yes | species | eukaryota | plants | species | 316510 | click here |
| scirpus | Yes | | | plants | genus | 46334 | click here |
| sclerocarya birrea | Yes | species | | | species | 289766 | click here |
| scoparia dulcis | Yes | species | eukaryota | plants | species | 107240 | click here |
| scorzonera hispanica | Yes | species | eukaryota | plants | species | 114289 | click here |
| scutellaria baicalensis | Yes | species | eukaryota | plants | species | 65409 | click here |
| scytosiphon lomentaria | Yes | species | eukaryota | plants | species | 27967 | click here |
| secale cereale | Yes | species | eukaryota | plants | species | 4550 | click here |
| sedum sediforme | Yes | species | eukaryota | plants | species | 28519 | click here |
| senna alexandrina | Yes | species | eukaryota | plants | species | 72402 | click here |
| senna corymbosa | Yes | species | eukaryota | plants | species | 346959 | click here |
| senna nomame | Yes | species | | | species | 870201 | click here |
| senna obtusifolia | Yes | species | eukaryota | plants | species | 346985 | click here |
| sesamum indicum | Yes | species | eukaryota | plants | species | 4182 | click here |
| setaria viridis | Yes | species | eukaryota | plants | species | 4556 | click here |
| sida fallax | Yes | species | eukaryota | plants | species | 671525 | click here |
| sida hermaphrodita | Yes | species | eukaryota | plants | species | 108447 | click here |
| silybum marianum | Yes | species | eukaryota | plants | species | 92921 | click here |
| simarouba glauca | Yes | species | eukaryota | plants | species | 43729 | click here |
| sinapis alba | Yes | species | eukaryota | plants | species | 3728 | click here |
| sinodielsia thibetica | Yes | species | | | species | 584765 | click here |
| sinomenium acutum | Yes | species | eukaryota | plants | species | 152363 | click here |
| smilax rotundifolia | Yes | species | eukaryota | plants | species | 72647 | click here |
| solanum aviculare | Yes | species | eukaryota | plants | species | 4114 | click here |
| solanum betaceum | Yes | species | eukaryota | plants | species | 45843 | click here |
| solanum commersonii | Yes | species | eukaryota | plants | species | 4109 | click here |
| solanum lycocarpum | Yes | species | eukaryota | plants | species | 329783 | click here |
| solanum lycopersicum | Yes | species | eukaryota | plants | species | 4081 | click here |
| solanum lycopersicum var. cerasiforme | Yes | varietas | eukaryota | plants | varietas | 195583 | click here |
| solanum melongena | Yes | species | eukaryota | plants | species | 4111 | click here |
| solanum muricatum | Yes | species | eukaryota | plants | species | 205567 | click here |
| solanum nigrum | Yes | species | eukaryota | plants | species | 4112 | click here |
| solanum rostratum | Yes | species | eukaryota | plants | species | 45839 | click here |
| solanum tuberosum | Yes | species | eukaryota | plants | species | 4113 | click here |
| solanum viarum | Yes | species | eukaryota | plants | species | 215581 | click here |
| solenostemon scutellarioides | Yes | species | eukaryota | plants | species | 4142 | click here |
| sonchus | Yes | | | plants | genus | 50190 | click here |
| sonchus crassifolius | Yes | species | eukaryota | plants | species | 381731 | click here |
| sonchus oleraceus | Yes | species | eukaryota | plants | species | 50207 | click here |
| sonneratia alba | Yes | species | eukaryota | plants | species | 122812 | click here |
| sophora alopecuroides | Yes | species | eukaryota | plants | species | 200492 | click here |
| sophora flavescens | Yes | species | eukaryota | plants | species | 49840 | click here |
| sophora japonica | Yes | species | eukaryota | plants | species | 3897 | click here |
| sophora microphylla | Yes | species | eukaryota | plants | species | 70607 | click here |
| sophora moorcroftiana | Yes | species | | | species | 1323965 | click here |
| sophora tonkinensis | Yes | species | eukaryota | plants | species | 714503 | click here |
| sorbus aria | Yes | species | eukaryota | plants | species | 186520 | click here |
| sorbus pohuashanensis | Yes | species | eukaryota | plants | species | 691238 | click here |
| sorghum | Yes | | | plants | genus | 4557 | click here |
| sorghum bicolor | Yes | species | eukaryota | plants | species | 4558 | click here |
| sphaerophysa salsula | Yes | species | eukaryota | plants | species | 47651 | click here |
| sphagneticola trilobata | Yes | species | eukaryota | plants | species | 53737 | click here |
| sphagnum fallax | Yes | species | eukaryota | plants | species | 53036 | click here |
| sphenoclea zeylanica | Yes | species | eukaryota | plants | species | 28496 | click here |
| spinacia oleracea | Yes | species | eukaryota | plants | species | 3562 | click here |
| spiranthes sinensis | Yes | species | eukaryota | plants | species | 117406 | click here |
| sporobolus | Yes | | | plants | genus | 38730 | click here |
| sporobolus natalensis | Yes | species | eukaryota | plants | species | 523336 | click here |
| stanleya pinnata | Yes | species | eukaryota | plants | species | 72662 | click here |
| staphylea trifolia | Yes | species | eukaryota | plants | species | 85280 | click here |
| stellera chamaejasme | Yes | species | eukaryota | plants | species | 142738 | click here |
| stenocereus stellatus | Yes | species | eukaryota | plants | species | 223074 | click here |
| sterculia foetida | Yes | species | eukaryota | plants | species | 195802 | click here |
| stevia rebaudiana | Yes | species | eukaryota | plants | species | 55670 | click here |
| stipa grandis | Yes | species | eukaryota | plants | species | 408131 | 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 corniculata | Yes | species | eukaryota | plants | species | 224161 | click here |
| suaeda fruticosa | Yes | species | eukaryota | plants | species | 224168 | click here |
| suaeda pruinosa | Yes | species | | | species | 1494406 | click here |
| suaeda salsa | Yes | species | eukaryota | plants | species | 126914 | click here |
| suaeda vera | Yes | species | eukaryota | plants | species | 169241 | click here |
| sus scrofa | Yes | species | eukaryota | mammals | species | 9823 | click here |
| swainsona canescens | Yes | species | eukaryota | plants | species | 491199 | click here |
| swainsona galegifolia | Yes | species | eukaryota | plants | species | 99017 | click here |
| syagrus oleracea | Yes | species | eukaryota | plants | species | 682624 | click here |
| sycon ciliatum | Yes | species | eukaryota | invertebrates | species | 27933 | click here |
| sympegma regelii | Yes | species | eukaryota | plants | species | 240121 | click here |
| symphyotrichum ciliatum | Yes | species | eukaryota | plants | species | 556905 | click here |
| symphyotrichum novi-belgii | Yes | no rank | eukaryota | plants | species | 199233 | click here |
| symphytum officinale | Yes | species | eukaryota | plants | species | 278672 | click here |
| syringa oblata | Yes | species | eukaryota | plants | species | 178762 | click here |
| syzygium aromaticum | Yes | species | eukaryota | plants | species | 219868 | click here |
| tagetes | Yes | | | plants | genus | 13707 | click here |
| tagetes erecta | Yes | species | eukaryota | plants | species | 13708 | click here |
| tagetes patula | Yes | species | eukaryota | plants | species | 55843 | click here |
| tamarix gallica | Yes | species | eukaryota | plants | species | 125585 | click here |
| tamarix ramosissima | Yes | species | eukaryota | plants | species | 189803 | click here |
| tanacetum | Yes | | | plants | genus | 99105 | click here |
| taraxacum mongolicum | Yes | species | eukaryota | plants | species | 90037 | click here |
| taraxacum officinale | Yes | species | eukaryota | plants | species | 50225 | click here |
| taxus baccata | Yes | species | eukaryota | plants | species | 25629 | click here |
| taxus celebica | Yes | species | eukaryota | plants | species | 492769 | click here |
| taxus cuspidata | Yes | species | eukaryota | plants | species | 99806 | 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 |