| quercus brantii | Yes | species | eukaryota | plants | species | 39467 | click here |
| quercus robur | Yes | species | eukaryota | plants | species | 38942 | click here |
| ranunculus acris | Yes | species | eukaryota | plants | species | 3447 | click here |
| rhododendron tomentosum | Yes | species | eukaryota | plants | species | 49170 | click here |
| rhynchophorus ferrugineus | Yes | species | eukaryota | invertebrates | species | 354439 | click here |
| rosa roxburghii | Yes | species | eukaryota | plants | species | 74654 | click here |
| rosa x damascena | Yes | subspecies | eukaryota | plants | species | 3765 | click here |
| saccharum | Yes | | | plants | genus | 4546 | click here |
| salix caprea | Yes | species | eukaryota | plants | species | 172267 | click here |
| salix sp. | Yes | no rank | eukaryota | plants | species | 65566 | click here |
| sambucus wightiana | Yes | species | eukaryota | plants | species | 57014 | click here |
| saraca asoca | Yes | species | | | species | 1073321 | click here |
| sequoiadendron giganteum | Yes | species | eukaryota | plants | species | 99814 | click here |
| solanum quitoense | Yes | species | eukaryota | plants | species | 227725 | click here |
| solidago canadensis | Yes | species | eukaryota | plants | species | 59297 | click here |
| sophora microphylla | Yes | species | eukaryota | plants | species | 70607 | click here |
| sorghum bicolor | Yes | species | eukaryota | plants | species | 4558 | click here |
| stellera chamaejasme | Yes | species | eukaryota | plants | species | 142738 | click here |
| stenocereus stellatus | Yes | species | eukaryota | plants | species | 223074 | click here |
| stereocaulon japonicum | Yes | species | eukaryota | plants | species | 373705 | click here |
| stryphnodendron adstringens | Yes | species | eukaryota | plants | species | 397648 | click here |
| taxus globosa | Yes | species | eukaryota | plants | species | 156271 | click here |
| ulex europaeus | Yes | species | eukaryota | plants | species | 3902 | click here |
| viscum album subsp. austriacum | Yes | subspecies | eukaryota | plants | subspecies | 104254 | click here |
| vitis vinifera | Yes | species | eukaryota | plants | species | 29760 | click here |