| opuntia pilifera | Yes | species | | | species | 867497 | click here |
| opuntia robusta | Yes | species | eukaryota | plants | species | 515226 | click here |
| orchidaceae | Yes | | | plants | family | 4747 | click here |
| oreochromis niloticus | Yes | species | eukaryota | vertebrates | species | 8128 | click here |
| origanum vulgare | Yes | species | eukaryota | plants | species | 39352 | click here |
| orius albidipennis | Yes | species | | | species | 1005351 | click here |
| orius laevigatus | Yes | species | eukaryota | invertebrates | species | 82742 | click here |
| ornithinimicrobium | Yes | | | bacteria | genus | 125287 | click here |
| ornithopus perpusillus | Yes | species | eukaryota | plants | species | 181291 | click here |
| oryctes agamemnon | Yes | species | eukaryota | invertebrates | species | 915460 | click here |
| oryctes rhinoceros | Yes | species | eukaryota | invertebrates | species | 72550 | click here |
| oryctolagus cuniculus | Yes | species | eukaryota | mammals | species | 9986 | click here |
| oryza rufipogon | Yes | species | eukaryota | plants | species | 4529 | click here |
| oryza sativa | Yes | species | eukaryota | plants | species | 4530 | click here |
| oryza sativa indica group | Yes | no rank | eukaryota | plants | no rank | 39946 | click here |
| ostrinia nubilalis | Yes | species | eukaryota | invertebrates | species | 29057 | click here |
| ovis aries | Yes | species | eukaryota | mammals | species | 9940 | click here |
| oxalis corniculata | Yes | species | eukaryota | plants | species | 212256 | click here |
| oxyrhopus petolarius | Yes | species | eukaryota | vertebrates | species | 697011 | click here |
| pachnoda | Yes | | | invertebrates | genus | 7057 | click here |
| pachnoda marginata | Yes | species | eukaryota | invertebrates | species | 7058 | click here |
| padina | Yes | | | plants | genus | 157004 | click here |
| padina pavonica | Yes | species | eukaryota | plants | species | 531984 | click here |
| paeonia ostii | Yes | species | eukaryota | plants | species | 459177 | click here |
| palythoa caribaeorum | Yes | species | eukaryota | invertebrates | species | 134933 | click here |
| panax ginseng | Yes | species | eukaryota | plants | species | 4054 | click here |
| panax notoginseng | Yes | species | eukaryota | plants | species | 44586 | click here |
| pandora neoaphidis | Yes | species | eukaryota | plants | species | 76017 | click here |
| pangasius | Yes | | | vertebrates | genus | 8000 | click here |
| panicum turgidum | Yes | species | eukaryota | plants | species | 861245 | click here |
| panicum virgatum | Yes | species | eukaryota | plants | species | 38727 | click here |
| papaver somniferum | Yes | species | eukaryota | plants | species | 3469 | click here |
| paracentrotus lividus | Yes | species | eukaryota | invertebrates | species | 7656 | click here |
| paradoxophyla palmata | Yes | species | eukaryota | vertebrates | species | 303960 | click here |
| paraeuchaeta | Yes | | | invertebrates | genus | 136185 | click here |
| paralichthys adspersus | Yes | species | eukaryota | vertebrates | species | 455156 | click here |
| paralichthys dentatus | Yes | species | eukaryota | vertebrates | species | 66718 | click here |
| paraplexaura | Yes | | | invertebrates | genus | 361115 | click here |
| parastrellus hesperus | Yes | species | eukaryota | mammals | species | 712816 | click here |
| paratrechina | Yes | | | invertebrates | genus | 58224 | click here |
| paris polyphylla var. yunnanensis | Yes | varietas | eukaryota | plants | varietas | 221260 | click here |
| parmelia omphalodes | Yes | species | eukaryota | plants | species | 164171 | click here |
| parthenium hysterophorus | Yes | species | eukaryota | plants | species | 183063 | click here |
| pascopyrum smithii | Yes | species | eukaryota | plants | species | 86023 | click here |
| passalidae | Yes | | | invertebrates | family | 110046 | click here |
| passiflora edulis | Yes | species | eukaryota | plants | species | 78168 | click here |
| paullinia cupana | Yes | species | eukaryota | plants | species | 392747 | click here |
| paullinia cupana var. sorbilis | Yes | varietas | eukaryota | plants | varietas | 392746 | click here |
| pedicularis | Yes | | | plants | genus | 43174 | click here |
| peganum harmala | Yes | species | eukaryota | plants | species | 43879 | click here |
| pelargonium graveolens | Yes | species | eukaryota | plants | species | 73200 | click here |
| pellaea calomelanos | Yes | species | eukaryota | plants | species | 414644 | click here |
| pelophylax perezi | Yes | species | eukaryota | vertebrates | species | 8403 | click here |
| pelophylax ridibundus | Yes | species | eukaryota | vertebrates | species | 8406 | click here |
| perilla frutescens | Yes | species | eukaryota | plants | species | 48386 | click here |
| perionyx excavatus | Yes | species | eukaryota | invertebrates | species | 168854 | click here |
| periplaneta americana | Yes | species | eukaryota | invertebrates | species | 6978 | click here |
| perna viridis | Yes | species | eukaryota | invertebrates | species | 73031 | click here |
| persea americana | Yes | species | eukaryota | plants | species | 3435 | click here |
| phalaris | Yes | | | plants | genus | 15740 | click here |
| phalaris minor | Yes | species | eukaryota | plants | species | 222563 | click here |
| phalaris paradoxa | Yes | species | eukaryota | plants | species | 446913 | click here |
| phallusia nigra | Yes | species | eukaryota | invertebrates | species | 569429 | click here |
| phanera variegata | Yes | species | eukaryota | plants | species | 167791 | click here |
| phaseolus lunatus | Yes | species | eukaryota | plants | species | 3884 | click here |
| phaseolus vulgaris | Yes | species | eukaryota | plants | species | 3885 | click here |
| phelipanche aegyptiaca | Yes | species | eukaryota | plants | species | 99112 | click here |
| philaenus spumarius | Yes | species | eukaryota | invertebrates | species | 36667 | click here |
| philanthus triangulum | Yes | species | eukaryota | invertebrates | species | 280486 | click here |
| philanthus ventilabris | Yes | species | | | species | 926306 | click here |
| phlebotomus kandelakii | Yes | species | | | species | 1109342 | click here |
| phlebotomus papatasi | Yes | species | eukaryota | invertebrates | species | 29031 | click here |
| phoca vitulina | Yes | species | eukaryota | mammals | species | 9720 | click here |
| phoenicopterus | Yes | | | vertebrates | genus | 9216 | click here |
| phoenicopterus roseus | Yes | species | eukaryota | vertebrates | species | 435638 | click here |
| phoenix canariensis | Yes | species | eukaryota | plants | species | 113250 | click here |
| phoenix dactylifera | Yes | species | eukaryota | plants | species | 42345 | click here |
| phorbas tenacior | Yes | species | eukaryota | invertebrates | species | 252958 | click here |
| phragmites australis | Yes | species | eukaryota | plants | species | 29695 | click here |
| phragmites karka | Yes | species | | | species | 1837142 | click here |
| phthorimaea operculella | Yes | species | eukaryota | invertebrates | species | 192464 | click here |
| phyllidia coelestis | Yes | species | eukaryota | invertebrates | species | 157139 | click here |
| phyllidiella pustulosa | Yes | species | eukaryota | invertebrates | species | 154616 | click here |
| phyllomedusa distincta | Yes | species | eukaryota | vertebrates | species | 164618 | click here |
| phyllostachys edulis | Yes | species | eukaryota | plants | species | 38705 | click here |
| phyllostachys viridiglaucescens | Yes | species | eukaryota | plants | species | 387747 | click here |
| physcomitrella patens | Yes | species | eukaryota | plants | species | 3218 | click here |
| phytolacca acinosa | Yes | species | eukaryota | plants | species | 3528 | click here |
| phytolacca octandra | Yes | species | eukaryota | plants | species | 211655 | click here |
| phytoseiulus persimilis | Yes | species | eukaryota | invertebrates | species | 44414 | click here |
| picea abies | Yes | species | eukaryota | plants | species | 3329 | click here |
| pieris rapae | Yes | species | eukaryota | invertebrates | species | 64459 | click here |
| piliostigma reticulatum | Yes | species | eukaryota | plants | species | 228531 | click here |
| pinus contorta | Yes | species | eukaryota | plants | species | 3339 | click here |
| pinus koraiensis | Yes | species | eukaryota | plants | species | 88728 | click here |
| pinus nigra | Yes | species | eukaryota | plants | species | 58042 | click here |
| pinus pinaster | Yes | species | eukaryota | plants | species | 71647 | click here |
| pinus ponderosa | Yes | species | eukaryota | plants | species | 55062 | click here |
| pinus strobus | Yes | species | eukaryota | plants | species | 3348 | click here |
| pinus sylvestris | Yes | species | eukaryota | plants | species | 3349 | click here |