| pyrus sinkiangensis | Yes | species | eukaryota | plants | species | 363829 | click here |
| pyrus x bretschneideri | Yes | subspecies | eukaryota | plants | species | 225117 | click here |
| quercus | Yes | | | plants | genus | 3511 | click here |
| quercus acuta | Yes | species | eukaryota | plants | species | 157796 | click here |
| quercus brantii | Yes | species | eukaryota | plants | species | 39467 | click here |
| quercus castaneifolia | Yes | species | eukaryota | plants | species | 453295 | click here |
| quercus dentata | Yes | species | eukaryota | plants | species | 103484 | click here |
| quercus glauca | Yes | species | eukaryota | plants | species | 103489 | click here |
| quercus ilex | Yes | species | eukaryota | plants | species | 58334 | click here |
| quercus ithaburensis subsp. macrolepis | Yes | subspecies | eukaryota | plants | subspecies | 58332 | click here |
| quercus macranthera | Yes | species | eukaryota | plants | species | 525000 | click here |
| quercus pubescens | Yes | species | eukaryota | plants | species | 39471 | click here |
| quercus robur | Yes | species | eukaryota | plants | species | 38942 | click here |
| quercus salicina | Yes | species | eukaryota | plants | species | 103488 | click here |
| quercus schottkyana | Yes | species | | | species | 1266308 | click here |
| quercus suber | Yes | species | eukaryota | plants | species | 58331 | click here |
| quercus variabilis | Yes | species | eukaryota | plants | species | 103481 | click here |
| ramalina fastigiata | Yes | species | eukaryota | plants | species | 56480 | click here |
| ranunculus acris | Yes | species | eukaryota | plants | species | 3447 | click here |
| ranunculus asiaticus | Yes | species | eukaryota | plants | species | 529701 | click here |
| ranunculus ternatus | Yes | species | eukaryota | plants | species | 376254 | click here |
| raphanus raphanistrum | Yes | species | eukaryota | plants | species | 109996 | click here |
| raphanus sativus | Yes | species | eukaryota | plants | species | 3726 | click here |
| rauvolfia serpentina | Yes | species | eukaryota | plants | species | 4060 | click here |
| rehmannia glutinosa | Yes | species | eukaryota | plants | species | 99300 | click here |
| reseda | Yes | | | plants | genus | 26963 | click here |
| reseda luteola | Yes | species | eukaryota | plants | species | 415813 | click here |
| reseda odorata | Yes | species | eukaryota | plants | species | 415819 | click here |
| retama raetam | Yes | species | eukaryota | plants | species | 49837 | click here |
| retama sphaerocarpa | Yes | species | eukaryota | plants | species | 49838 | click here |
| reynoutria japonica | Yes | species | eukaryota | plants | species | 488216 | click here |
| rheum rhabarbarum | Yes | subspecies | eukaryota | plants | species | 3621 | click here |
| rhizocarpon geographicum | Yes | species | eukaryota | plants | species | 88642 | click here |
| rhizophora mangle | Yes | species | eukaryota | plants | species | 40031 | click here |
| rhizophora mucronata | Yes | species | eukaryota | plants | species | 61149 | click here |
| rhodiola angusta | Yes | species | eukaryota | plants | species | 332642 | click here |
| rhodiola crenulata | Yes | species | eukaryota | plants | species | 242839 | click here |
| rhodiola sachalinensis | Yes | species | eukaryota | plants | species | 265354 | click here |
| rhododendron delavayi | Yes | species | eukaryota | plants | species | 321363 | click here |
| rhynchophorus ferrugineus | Yes | species | eukaryota | invertebrates | species | 354439 | click here |
| rhynchostylis retusa | Yes | species | eukaryota | plants | species | 257352 | click here |
| richardia scabra | Yes | species | eukaryota | plants | species | 60230 | click here |
| ricinus communis | Yes | species | eukaryota | plants | species | 3988 | click here |
| robinia pseudoacacia | Yes | species | eukaryota | plants | species | 35938 | click here |
| rohdea chinensis | Yes | species | | | species | 927809 | click here |
| rorippa palustris | Yes | species | eukaryota | plants | species | 50498 | click here |
| rosa | Yes | | | plants | genus | 3764 | click here |
| rosa chinensis | Yes | species | eukaryota | plants | species | 74649 | click here |
| rosa eglanteria | Yes | species | eukaryota | plants | species | 74636 | click here |
| rosa hybrid cultivar | Yes | subspecies | eukaryota | plants | species | 128735 | click here |
| rosa roxburghii | Yes | species | eukaryota | plants | species | 74654 | click here |
| rosa sp. | Yes | no rank | eukaryota | plants | species | 36598 | click here |
| rosa x damascena | Yes | subspecies | eukaryota | plants | species | 3765 | click here |
| rubus | Yes | | | plants | genus | 23216 | click here |
| rubus crataegifolius | Yes | species | eukaryota | plants | species | 75067 | click here |
| rubus idaeus | Yes | species | eukaryota | plants | species | 32247 | click here |
| rudbeckia fulgida | Yes | species | eukaryota | plants | species | 52312 | click here |
| rudbeckia hirta | Yes | species | eukaryota | plants | species | 52299 | click here |
| rumex acetosa | Yes | species | eukaryota | plants | species | 41241 | click here |
| rumex gmelinii | Yes | species | | | species | 945803 | click here |
| rumex obtusifolius | Yes | species | eukaryota | plants | species | 3619 | click here |
| rumex vesicarius | Yes | species | eukaryota | plants | species | 317192 | click here |
| saccharina japonica | Yes | species | eukaryota | plants | species | 88149 | click here |
| saccharum | Yes | | | plants | genus | 4546 | click here |
| saccharum officinarum | Yes | species | eukaryota | plants | species | 4547 | click here |
| saccharum sp. | Yes | no rank | eukaryota | plants | species | 15819 | click here |
| salacia macrosperma | Yes | species | | | species | 1225087 | click here |
| salicornia | Yes | | | plants | genus | 46104 | click here |
| salicornia bigelovii | Yes | species | eukaryota | plants | species | 46105 | click here |
| salicornia europaea | Yes | species | eukaryota | plants | species | 206448 | click here |
| salicornia patula | Yes | species | eukaryota | plants | species | 239768 | click here |
| salix sp. | Yes | no rank | eukaryota | plants | species | 65566 | click here |
| salsola | Yes | | | plants | genus | 151233 | click here |
| salsola tragus | Yes | species | eukaryota | plants | species | 355937 | click here |
| salvadora persica | Yes | species | eukaryota | plants | species | 4326 | click here |
| salvia dorisiana | Yes | species | eukaryota | plants | species | 933131 | click here |
| salvia elegans | Yes | species | eukaryota | plants | species | 888065 | click here |
| salvia farinacea | Yes | species | eukaryota | plants | species | 268905 | click here |
| salvia hispanica | Yes | species | eukaryota | plants | species | 49212 | click here |
| salvia involucrata | Yes | species | eukaryota | plants | species | 268913 | click here |
| salvia miltiorrhiza | Yes | species | eukaryota | plants | species | 226208 | click here |
| salvia multicaulis | Yes | species | | | species | 1685714 | click here |
| salvia officinalis | Yes | species | eukaryota | plants | species | 38868 | click here |
| sambucus ebulus | Yes | species | eukaryota | plants | species | 28503 | click here |
| sambucus nigra | Yes | species | eukaryota | plants | species | 4202 | click here |
| sanguisorba officinalis | Yes | species | eukaryota | plants | species | 137457 | click here |
| santalum album | Yes | species | eukaryota | plants | species | 35974 | click here |
| sapindus | Yes | | | plants | genus | 57654 | click here |
| sapindus mukorossi | Yes | species | eukaryota | plants | species | 57655 | click here |
| sapindus saponaria | Yes | species | eukaryota | plants | species | 171222 | click here |
| saponaria officinalis | Yes | species | eukaryota | plants | species | 3572 | click here |
| saposhnikovia divaricata | Yes | species | eukaryota | plants | species | 203717 | click here |
| saraca asoca | Yes | species | | | species | 1073321 | click here |
| saraca indica | Yes | species | eukaryota | plants | species | 509014 | click here |
| sarocalamus faberi | Yes | species | eukaryota | plants | species | 548140 | click here |
| sauropus androgynus | Yes | species | eukaryota | plants | species | 283133 | click here |
| scaevola taccada | Yes | species | eukaryota | plants | species | 16481 | click here |
| schinus terebinthifolia | Yes | species | eukaryota | plants | species | 169191 | click here |
| schisandra chinensis | Yes | species | eukaryota | plants | species | 50507 | click here |
| schizachyrium scoparium | Yes | species | eukaryota | plants | species | 79855 | click here |