P. turris

P. elegantissima may refer to:
* Pedicularia elegantissima, a sea snail species
* Phaegoptera elegantissima, a synonym for Anaxita decorata, the decorated beauty, a moth species found in Mexico and Central America

P. suis

P. stuartii

P. leptochila may refer to:
* Partula leptochila, an extinct snail
* Pterostylis leptochila, a terrestrial orchid

P. picta may refer to:
* Parascorpaena picta, a marine fish species
* Phyllomacromia picta, a dragonfly species found in Africa
* Polymita picta, the Cuban land snail or painted snail, a large, air-breathing land snail species endemic to Cuba
* Polystira picta, a sea snail species
* Psittacella picta, the painted tiger parrot, a bird species found in Indonesia and Papua New Guinea
* Pterygotrigla picta, the spotted gurnard, a fish species found in the Indo-Pacific oceans
* Pyrola picta, the white-veined wintergreen or whitevein shinleaf, a perennial herb species native to western North America
* Pyrrhura picta, the painted parakeet or painted conure, a bird species found in restricted forests in northern South America and Panama

P. illyricum may refer to:
* Pancratium illyricum, a flowering plant species
* Polystichum illyricum, a fern hybrid species

P. fruticosa may refer to:
* Prunus fruticosa, the European dwarf cherry, dwarf cherry, Mongolian cherry or steppe cherry, a shrub species

P. incana (disambiguation)

P. faba

P. syriacus may refer to:
* Pelobates syriacus, the eastern spadefoot or Syrian spadefoot, a toad species native to Eastern Europe and Western Asia
* Pseudophoxinus syriacus, a fish species found only in Lebanon

P. lysimachiae

P. pastoris may refer to:
* Pichia pastoris, a methylotrophic yeast species
* Potthastia pastoris, a midge species found in Europe
* , an orchid species in the genus Prosthechea

P. multiglandulosum

P. pestis

P. magna

P. edule

P. orientalis may refer to:
* Paradelma orientalis, the Brigalow scaly-foot or Queensland snake-lizard, a lizard species endemic to Australia
* Phalanger orientalis, the northern common cuscus, a marsupial species native to northern New Guinea
* Phylloscopus orientalis, the Eastern Bonelli's warbler, a bird species
* Picea orientalis, the Caucasian spruce or Oriental spruce, a tree species native to the Caucasus and adjacent northeast Turkey
* Platanus orientalis, the Oriental plane, a large deciduous tree species native from the Balkans to as far east as at least Iran
* Platycladus orientalis, an evergreen coniferous tree species native to northwestern China
* Platysaurus orientalis, the Sekukhune flat lizard, a reptile species found in Africa
* Plectorhinchus orientalis, a grunt

P. tabuliformis (disambiguation)

P. glabella (disambiguation)

P. ridleyi (disambiguation)

P. sedentaria

P. flavus

P. patris-mei

P. tropiduri

P. prasina may refer to:
* Palomena prasina, the green shield bug, a shield bug species
* Paramantis prasina, a praying mantis species

P. proximus may refer to:
* , a beetle species in the genus Pachybrachis
* , a crab species in the genus Pagurus
* , a wolf spider species in the genus Pirata
* , a huntsman spider in the genus Polybetes

P. robustus (disambiguation)

P. magnus (disambiguation)

P. plicata (disambiguation)

P. robustus may refer to:
* Paranthropus robustus, an extinct hominin species dated to have lived between 2.0 and 1.2 million years ago
* Paraptenodytes robustus, an extinct penguin species found in Early Miocene rocks of the Patagonian Molasse Formation
* Poicephalus robustus, the cape parrot, a parrot species
* Psilorhynchus robustus, an Asian freshwater fish species found in Burma

P. superba may refer to:
* Pangio superba, a ray-finned fish species
* Powelliphanta superba, a land snail species endemic to New Zealand

P. nigripes

P. trifoliata

P. griseobrunneum

P. venosum

P. porphyrae can refer to two different species. The specific epithet porphyrae (πορφυρα) means 'purplish-red.'
* , a bacteria in the genus Polaribacter
* Pythium porphyrae, an oomycete that causes red rot disease in many edible seaweeds

P. nana (disambiguation)

P. greggii (disambiguation)

P. marginatum may refer to :
* Piper marginatum, the cake bush, Anesi wiwiri, marigold pepper, Ti Bombé in Creole or Hinojo, a plant species found in moist, shady spots in the Amazon rainforest in Surinam, French Guiana and Brazil
* Plasmodium marginatum, a parasite species

P. gloydi

P. elegans

P. spicata may refer to:
* Philotheca spicata, the pepper and salt, a shrub species
* Pimelea spicata, the pink pimelea, an endangered plant species native to New South Wales, Australia
* Polycarpaea spicata, a plant species endemic to Yemen
* Pseudoroegnaria spicata, the bluebunch wheatgrass, a plant species

P. poeppigii may refer to:
* , a South American aster
* Polyachyrus poeppigii, a South American daisy
* , a Peruvian sunflower

P. mnaidriensis

P. longifolia

P. sinensis may refer to:
* Pelodiscus sinensis, the Chinese soft shelled turtle, a reptile species
* Pseudotsuga sinensis, the Chinese Douglas-fir, a conifer species found in China and Taiwan
* Primula sinensis, the Chinese primrose, a plant species found in China
* Psittacosaurus sinensis, a dinosaur species

P. frontalis (disambiguation)

P. ehrenbergii may refer to:
* Platax ehrenbergii, a tropical fish
* , a unicellular algae
* , a sac fungus

P. morisiana

P. pedum

P. gardneri (disambiguation)

P. spectabilis may refer to:
* Pazinotus spectabilis, a sea snail species
* Penstemon spectabilis, a flowering plant species
* Phasmahyla spectabilis, a frog species
* Pimelea spectabilis, a shrub species
* Pitcairnia spectabilis, a flowering plant species
* Polygrammodes spectabilis, a moth species

P. polymorpha may refer to:
* , a cephalopod mollusc
* Parmelia polymorpha, a strap lichen
* , a prehistoric plant
* , a radiator plant
* Persicaria polymorpha, a buckwheat native to Russia
* , a red alga
* , a fungus-growing ant
* , a palm tree
* , an owlet moth
* Plumatella polymorpha, a freshwater bryozoan
* , an owlet moth
* , a herbaceous plant
* , a saprobic fungus
* Pseudopalaina polymorpha, a land snail
* , an understorey tree

P. nigricans may refer to:
* Padogobius nigricans, the Arno goby, a fish species of fish endemic to Italy
* Pardirallus nigricans, the blackish rail, a bird species found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Peru and Venezuela
* , Johannsen, 1916, a fly species in the genus Phaonia
* Pollimyrus nigricans, the dark stonebasher, a fish species found in Burundi, Kenya, Tanzania and Uganda
* , Schltr., 1917, an orchid species in the genus Ponthieva found in Ecuador
* Prochilodus nigricans, the black prochilodus, a tropical South American freshwater fish species found in the Amazon and Tocantins River basins
* Pycnonotus nigricans, the black-fronted bulbul, a songbird species found in Angola, Botswana, Lesotho, Namibia, South Africa, Swaziland, Zambia and Zimbabwe
* Pyrorchis nigricans, red beaks, or elephants' ears, an orchid species found in Australia

P. gardneri may refer to:
* Proechimys gardneri, the Gardner's spiny-rat, a rat species from South America
* Psychotria gardneri, a plant species endemic to Sri Lanka

P. pedunculata

P. ferruginea

P. jophon

P. fragilis

P. rubra may refer to:
* Paradisaea rubra, the red bird-of-paradise or Cendrawasih Merah, a bird species
* Piranga rubra, the summer tanager, a medium-sized American songbird species
* Plumeria rubra, the red frangipani or common frangipani, a deciduous tree species
* Pseudostomatella rubra, a sea snail species

P. flavescens may refer to:
* Pantala flavescens, the most widespread dragonfly
* Pappophorum flavescens, a pappus grass
* Paracles flavescens, a Brazilian moth
* , a sea angel
* , a crane fly
* , a bony fish
* , a mud crab
* , a ground beetle
* , a woody vine
* Pelias flavescens, a venomous viper
* , a flowering plant
* , a daddy longlegs
* , a radiator plant
* Perca flavescens, a freshwater fish
* , a perennial herb
* Perognathus flavescens, a North American rodent
* , a red algae
* Peziza flavescens, an apothecial fungus
* Phalera flavescens, an Asian moth
* Phaseolus flavescens, a wild bean
* , a jumping spider
* Phoradendron flavescens, a mistletoe native to the Americas
* Phragmatobia flavescens, a South American moth
* Phryneta flavescens, a flat-faced longhorn beetle
* Pipistrellus flavescens, a vesper bat
* , a leaf beetle
* , a skipper butterfly
* Pleiocarpa flavescens, a plant with fragrant flowers
* , a jumping spider
* Plutodes flavescens, a geometer moth
* Poecilopeplus flavescens, a longhorn beetle
* , a hexapod with internal mouthparts
* , a beach fly
* Promalactis flavescens, a Chinese moth
* Psaltoda flavescens, a cicada native to Queensland
* , a driftwood catfish
* Pseudomonas flavescens, a Gram-negative bacterium
* , a shore fly
* , a flowering plant
* , a plant pathogen
* , a scale insect
* Pycnonotus flavescens, an Asian songbird
* , a papyrus sedge

P. platyops

P. koreana may refer to:
* Phyllonorycter koreana, a moth species found in Korea
* Pterotopteryx koreana, a moth species found in Korea
* Pulsatilla koreana, the Korean pasque flower, a plant species native to Korea

P. indica

P. maculata may refer to:
* , a jewel beetle
* Paragorgopis maculata, a picture-winged fly
* Paralopostega maculata, a moth endemic to Hawaii
* Parapercis maculata, a ray-finned fish
* Parasiccia maculata, an Asian moth
* Parasikukia maculata, a fish endemic to Thailand
* Parias maculata, a venomous pitviper
* Parochetus maculata, a plant with blue flowers
* , a tortoise beetle
* Paroreomyza maculata, a bird endemic to Oahu
* , a calyptrate muscoid
* , a snout moth
* Penicillaria maculata, an owlet moth
* Pentila maculata, an African butterfly
* Percina maculata, a roughbelly darter
* Peristeria maculata, a New World orchid
* Persicaria maculata, an annual plant
* Persicula maculata, a sea snail
* Phlox maculata, a flowering plant
* Phycodes maculata, an Indian moth
* Phyllonorycter maculata, a Japanese moth
* , an ambush bug
* , a pearl oyster
* , a ground beetle
* , a skipper butterfly
* , a planariid triclad
* Planigale maculata, a marsupial mouse
* , a tangle-web spider
* Platysticta maculata, a closed wing damselfly
* Platythelphusa maculata, a freshwater crab
* , a Himalayan crocus
* Pleurobranchaea maculata, a side-gill slug
* Pleurothallis maculata, a tropical orchid
* , a tunicate with a folded pharyngeal basket
* Polyortha maculata, an Ecuadorean moth
* Polystachya maculata, an orchid endemic to Burundi
* Pomacea maculata, an apple snail
* Ponthieva maculata, a New World orchid
* Porcellana maculata, a porcelain crab
* Portevinia maculata, a European hoverfly
* Posterobranchaea maculata, a headshield slug
* , a herbaceous plant
* Potiaete maculata, a longhorn beetle
* Procapperia maculata, an Old World moth
* Prosartes maculata, a perennial plant
* Protolychnis maculata, a long-horned moth
* , a dark-spored agaric
* Pseudacris maculata, a chorus frog
* Pseudaneitea maculata, a leaf-veined slug
* , an owlet moth
* , a praying mantis
* , a ground beetle
* Pseudostomatella maculata, a sea snail
* , a jewel beetle
* Pterocalla maculata, a picture-winged fly
* Puya maculata, a plant endemic to Ecuador
* , a leaf beetle

P. platyops (disambiguation)

P. ornata

P. ramspotti

P. leonina may refer to:
* , a spider species in the genus Pelecopsis and the family Linyphiidae
* Peripatopsis leonina, the Lion's Hill velvet worm, a species in the Phylum Onychophora

P. neglecta may refer to:
* Polylepis neglecta, a plant species endemic to Bolivia
* Pterodroma neglecta, the Kermadec petrel, a seabird species found in Australia, Chile and Japan

P. sphaerostachyum

P. surinamensis may refer to:
* Propustularia surinamensis, a sea snail species
* Pycnoscelus surinamensis, the Surinam cockroach, an insect species

P. esculenta (disambiguation)

P. silvestrii (disambiguation)

P. minuta

P. montana may refer to:
* Passiflora montana, plant in the family Passifloraceae
* Platyptilia montana, moth of the family Pterophoridae
* Pradosia montana, plant in the family Sapotaceae
* Prestoea montana, the Sierran palm
* Prumnopitys montana, conifer of the family Podocarpaceae
* Psydrax montana, plant of the family Rubiaceae
* Pueraria montana, plant of the bean family

P. purpurea may refer to:
* Pheidole purpurea, an ant species found in Mexico and Central America
* Puccinia purpurea, a plant pathogen species that causes rust on sorghum

P. gigantea may refer to:
* , an extinct mammal species in the genus Pachyaena
* Panthea gigantea, a moth species found in western North America
* Petalura gigantea, the giant dragonfly or south-eastern petaltail, one of the world's largest dragonflies
* Phalaenopsis gigantea, an orchid species endemic to Borneo
* Pinguicula gigantea, a tropical carnivorous plant species native to Mexico
* Pleuroploca gigantea (= Triplofusus papillosus), the Florida horse conch, a species of extremely large predatory subtropical and tropical sea snail
* Pouteria gigantea, a plant species endemic to Ecuador
* Pseudaneitea gigantea, an air-breathing land slug species
* Pseudibis gigantea, the giant ibis, a bird species
* Pseudoeurycea gigantea, a salamander species endemic to Mexico

P. rubra (disambiguation)

P. sinense may refer to:
* Primulidium sinense, a synonym for Primula sinensis, a plant species found in China
* Psilopeganum sinensis, a flowering plant species

P. pensylvanica

P. tetrarhynchus

P. van der Lowen

P. mexicana may refer to:
* Prunus mexicana, the Mexican plum, a tree species found in the Midwestern and Southeastern United States as well as Northern Mexico
* Psilocybe mexicana, a psychedelic mushroom species
* Purshia mexicana, the Mexican cliffrose, a perennial flowering small tree species native to western-northern Mexico and the southwestern United States

P. princeps (disambiguation)

P. ovis

P. nigricauda (disambiguation)

P. imbricata may refer to:
* Phacelia imbricata, a plant species native to much of California and Baja California
* , a synonym for Pinctada fucata, the Akoya pearl oyster, a species in the genus Pinctada found in the Red Sea, Sri Lanka, Persian Gulf, Indian Ocean, Western Pacific Ocean, Australia and China
* Pitcairnia imbricata, a plant species native to Mexico

P. sinica

P. nyanzae

P. sertulosa

P. quadrilineatus

P. seemannii may refer to a few different species of plant. The specific epithet seemannii refers to someone with the surname 'Seemann,' in many cases it's botanist Berthold Carl Seemann (1825–1871).
* Passiflora seemannii, a species of passionflower in the genus Passiflora
* Phyllanthus seemannii, a plant in the genus Phyllanthus native to Fiji
* Phytelephas seemannii, the Panama ivory palm
* Ptychosperma seemannii, a synonym for Balaka seemannii, a palm endemic to Fiji

P. salicifolia

P. utilis may refer to:
* Pandanus utilis, the common screwpine, a tropical tree species native to Madagascar and Mauritius
* Procecidochares utilis, a fruit fly species

P. roseus may refer to:
* Pericrocotus roseus, the rosy minivet, a bird species
* Phoenicopterus roseus, the greater flamingo, a bird species

P. fulgida

P. marginatum

P. pastoris

P. turris may refer to:
* Pennarhodeus turris, a mite species
* Phymorhynchus turris, a sea snail species found in Japan

P. lysimachiae may refer to:
* Papaipema lysimachiae, a moth of the family Noctuidae
* Pararrhaptica lysimachiae, a moth endemic to Kauai
* , a sac fungus

P. palustris (disambiguation)

P. falciparum

P. globulus may refer to:
* Pustularia globulus, a cowry, a sea snail species occurring in the Red Sea and Indian Ocean
* Podocarpus globulus, a conifer species found in Indonesia and Malaysia

P. montana

P. maximum

P. pacificus

P. laeta may refer to:
* , a jumping spider
* , a plant with white flowers
* Periploca laeta, a North American moth
* Pholis laeta, an elongated fish
* , a thick-headed fly
* Potentilla laeta, a perennial plant
* , a crane fly
* , an ermine moth
* Ptosima laeta, a jewel beetle
* , a lichenized fungus
* Pyrrhulina laeta, a South American fish

P. sterreri may refer to:
* Parhippolyte sterreri, a crustacean species found in the Bahamas, Bermuda, Cuba and Mexico
* Platyops sterreri, a crustacean species endemic to Bermuda

P. seemannii

P. pratensis may refer to:
* Poa pratensis, a perennial grass species
* Pratylenchus pratensis, a plant pathogenic nematode species
* Pulsatilla pratensis, a herbaceous perennial plant species
* Pupilla pratensis, a land snail species

P. ludens

P. gouldii

P. superba (disambiguation)

P. parasitica

P. ovata

P. glaucus may refer to:
* Papilio glaucus, the Eastern tiger swallowtail, a butterfly species native to North America
* Phyllobius glaucus, a weevil species found across Europe
* Phyllocladus glaucus, now Phyllocladus aspleniifolius, the celery-top pine
* Pluteus glaucus, a medicinal mushroom
* Pseudomys glaucus, the blue-gray mouse

P. nitida (disambiguation)

P. rex (disambiguation)

P. nana may refer to:
* , a midge species in the genus Parapsectra
* , a theropod dinosaur species in the genus of the Bissekty Formation
* Portea nana, a plant species endemic to Brazil
* , a flowering plant species in the genus Protea
* Ptychadena nana, a frog species endemic to Ethiopia
* Puya nana, a plant species endemic to Bolivia

P. traversii may refer to a two different species of shrub. The specific epithet traversii refers to someone with the surname 'Travers,' in these cases it's New Zealand naturalist Henry H. Travers (1844-1928).
* Pimelea traversii, a shrub in the family Thymelaeaceae
* Pseudowintera traversii, or Travers horopito, a shrub in the Winteraceae family

P. lepidus may refer to:
* Philanthus lepidus, a wasp species in the genus Philanthus
* , a spider species in the genus Pisenor
* , a beetle species in the genus Poecilus
* , a mite species in the genus Proprioseiopsis

P. olivaceus may refer to:
* Panaeolus olivaceus, a mushroom species
* Paralichthys olivaceus, the olive flounder, a flatfish species
* Phylloscopus olivaceus, the Philippine leaf warbler, a bird species
* Picumnus olivaceus, the olivaceous piculet, a bird species
* Prionochilus olivaceus, the olive-backed flowerpecker, a bird species
* Pristimantis olivaceus, a frog species
* Psophodes olivaceus, the eastern whipbird, a bird species

P. kishinouyei (disambiguation)

P. mirabilis may refer to:
* Pisaura mirabilis, a spider species
* Proteus mirabilis, a Gram-negative, facultatively anaerobic bacterium species

P. silvestrii

P. gigantea

P. nanum

P. leucoptera may refer to:
* Peropteryx leucoptera, the white-winged dog-like bat, a bat species
* Piranga leucoptera, the white-winged tanager, a medium-sized American songbird species
* Prosobonia leucoptera, the Tahitian sandpiper, an extinct wader species endemic to Tahiti in French Polynesia
* Psophia leucoptera, the pale-winged trumpeter
* Pterodroma leucoptera, the Gould's petrel, a seabird species
* Pyriglena leucoptera, the white-shouldered fire-eye, a bird species

P. ensiformis

P. ferruginea may refer to:
* Pimenta ferruginea, a plant species endemic to Cuba
* Prumnopitys ferruginea, the Miro, an evergreen coniferous tree species endemic to New Zealand
* Pseudomyrmex ferruginea, the acacia ant, an insect species
* Pterocerina ferruginea, a picture-winged fly species
* Puya ferruginea, a plant species native to Bolivia and Ecuador

P. maxima (disambiguation)

P. obscurans

P. hercules

P. polymorpha

P. monoica (disambiguation)

P. silesiacus

P. sylvestris

P. microspora can refer to a few different species of fungi. The specific epithet microspora means 'tiny spore.'
* Panaeolus papilionaceus var. microspora, a synonym for Panaeolus papilionaceus, the petticoat mottlegill
* Pestalotiopsis microspora, a fungus that can eat plastic
* , a fungus in the genus Phaeoramularia
* Pholiota microspora, or nameko, a choice edible mushroom
* Phoma microspora, a fungal pathogen of peanuts.
* Poria microspora, a synonym for Rhodonia placenta, a crust fungus
* , a fungus in the genus Puccinia and a pathogen of cereal crops
* , an arthropod-associated fungus in the genus Pyxidiophora
* , a lichen in the genus Pyxine

P. ovata may refer to:
* , a sea snail species
* , a flowering plant species native to the Andes of Bolivia
* Plantago ovata (also Psyllium ovata), the desert indianwheat, a medicinal plant species native to Western Asia and Southern Asia

P. longifolia may refer to:
* Persoonia longifolia, the long-leaf persoonia or snottygobble, a small tree species found in Western Australia
* Physalis longifolia, the common groundcherry, a plant species native to North America
* Pinguicula longifolia, the long-leaved butterwort, a perennial carnivorous sub-alpine plant species found in the Central Pyrenees
* Potentilla longifolia, a plant species found in Russia and Mongolia
* Pulmonaria longifolia, the narrow-leaved lungwort, a plant species native to western Europe

P. incana

P. japonica

P. japonica may refer to:
* Paeonia japonica, a plant species native of the islands of northern Japan
* , a spider species in the genus Parasteatoda found in China, Taiwan, Korea and Japan
* Patanga japonica, a grasshopper species found in Japan
* Peyssonnelia japonica, a red alga species
* Philbertia japonica, a sea snail species
* Pieris japonica, the Japanese andromeda, a plant species native to eastern Asia and Japan
* , a colonial green alga species in the genus Pleodorina
* Pogonia japonica, an orchid species occurring from China to Japan
* Pollia japonica, the yabumyoga, a perennial flower species native to East Asia
* Polysiphonia japonica, a red alga species
* Popillia japonica, the Japanese beetle, an insect species
* Prunus japonica, the Korean cherry, flowering almo

P. humilis may refer to:
* Phacelia humilis, the low phacelia, a plant species native to the western United States
* Polistes humilis, the common paper wasp, a wasp species found throughout Australia
* Prosopis humilis, a flowering plant species
* Pseudopodoces humilis, the Tibetan ground-tit or Hume's ground-tit, a lark-like bird species found in the north of the Himalayas

P. pretrei

P. rosea may refer to:
* Palafoxia rosea, the rosy palafox
* Partula rosea, a gastropod species endemic to French Polynesia
* Petroica rosea, the rose robin, a small passerine bird species native to Australia
* Phenatoma rosea, the pink tower shell, a predatory sea snail species
* Primula rosea, the Himalayan meadow primrose, a flowering plant species

P. hogei

P. tenera

P. gigantea (disambiguation)

P. foliata may refer to:
* , a radiator plant species in the genus Peperomia
* , an orchid species in the genus Pseudovanilla found in New South Wales, Australia
* Pterostylis foliata, an orchid species in the genus Pterostylis

P. metallica

P. tampanensis

P. formosa may refer to:
* Parahebe formosa, a plant endemic to Tasmania
* Partula formosa, an extinct snail
* Pempelia formosa, a snout moth
* Phryganopteryx formosa, a Malagasy moth
* Phylloxiphia formosa, an African moth
* Pipreola formosa, a bird endemic to Venezuela
* , a New World plant
* Pleurotomella formosa, a sea snail
* Poecilia formosa, a freshwater fish

P. petiolaris may refer to:
* , a species in the genus Pedicularis
* , a species in the genus Pleurothallis
* , a species in the genus Pultenaea

P. petraeus

P. mirabilis (disambiguation)

P. tabuliformis

P. erecta may refer to:
* Plantago erecta, a small annual herb species
* Potentilla erecta, the common tormentil, a plant species

P. minuta may refer to:
* Plethodontohyla minuta, a frog species endemic to Madagascar
* Pseudis minuta, a frog species found in Argentina, Brazil and Uruguay

P. meleagris

P. maritimus

P. purpurea

P. nepalensis

P. sulcata

P. nobilis (disambiguation)

P. maxima may refer to:
* Paracrocidura maxima, an African mammal
* Pectinodonta maxima, a true limpet
* Phyllosticta maxima, a plant pathogen
* Pinctada maxima, a pearl oyster
* Pisulina maxima, a cave snail
* Pitta maxima, a bird endemic to North Maluku
* Pollex maxima, an Indonesian moth
* Premna maxima, a plant endemic to Kenya
* Problepsis maxima, a Japanese moth
* Psetta maxima, a demersal fish
* Pseudoeurycea maxima, a salamander endemic to Mexico
* Purlovia maxima, a therocephalian therapsid

P. grandis (disambiguation)

P. moreirae

P. orientalis

P. pensylvanica may refer to:
* Parietaria pensylvanica, a flowering plant species native to much of North America
* Prunus pensylvanica, the pin cherry or fire cherry, a tree species

P. spelaea

P. slevini

P. longimana

P. trituberculatus

P. putida

P. thaleri

P. mystaceus may refer to:
* Phidippus mystaceus, a species in the genus Phidippus
* Phrynocephalus mystaceus, a species in the genus Phrynocephalus
* Platyrinchus mystaceus, a species in the genus Platyrinchus
* Proagonistes mystaceus, a species in the genus

P. moritziana may refer to:
* Pitcairnia moritziana, a plant endemic to Venezuela
* Platystachys moritziana, an air plant
* , a red algae

P. kishinouyei may refer to:
* Paraspirontocaris kishinouyei, a synonym for Birulia kishinouyei, a shrimp species
* Plestiodon kishinouyei, a synonym for Eumeces kishinouyei, the Kishinoue's giant skink, a lizard species found only in Japan

P. nanus (disambiguation)

P. rubecula

P. febrifugum

P. terrestris

P. princeps may refer to:
* Phidippus princeps, a jumping spider species in the genus Phidippus found in the United States and Canada
* Plantago princeps, the ale, a flowering plant species endemic to Hawaii
* Pleuroploca princeps, a sea snail species
* Ploceus princeps, the Príncipe weaver, a bird species endemic to São Tomé and Príncipe
* , a crane fly species in the genus Pseudolimnophila
* Psilophyton princeps, an extinct vascular plant species

P. imbricata

P. regalis

P. olivaceus

P. insignis

P. utilis

P. mitchelli may refer to:
* Platysaurus mitchelli, the Mitchell's flat lizard, a lizard species found in Malawi
* , an endemic fish species found in India in the genus Pseudeutropius
* Pseudocellus mitchelli, a hooded tickspider species found in Mexico

P. veris

P. maritimus may refer to:
* Petrobius maritimus, the shore bristletail or sea bristletail, a species of Archaeognatha
* Pseudococcus maritimus, the grape mealybug, is a scale insect species

P. palustris

P. rosea

P. nigricans may refer to:
* Padogobius nigricans, the Arno goby, a fish species of fish endemic to Italy
* Pardirallus nigricans, the blackish rail, a bird species found in Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Peru and Venezuela
* , Johannsen, 1916, a fly species in the genus Phaonia
* Pollimyrus nigricans, the dark stonebasher, a fish species found in Burundi, Kenya, Tanzania and Uganda
* , Schltr., 1917, an orchid species in the genus Ponthieva found in Ecuador
* Prochilodus nigricans, the black prochilodus, a tropical South American freshwater fish species found in the Amazon and Tocantins River basins
* Pycnonotus nigricans, the black-fronted bulbul, a songbird species found in Angola, Botswana, Lesotho, Namibia, South Africa, Swaziland, Zambia and Zimbabwe

P. flavescens may refer to:
* Pantala flavescens, the most widespread dragonfly
* Pappophorum flavescens, a pappus grass
* Paracles flavescens, a Brazilian moth
* , a sea angel
* , a crane fly
* , a bony fish
* , a mud crab
* , a ground beetle
* , a woody vine
* Pelias flavescens, a venomous viper
* , a flowering plant
* , a daddy longlegs
* , a radiator plant
* Perca flavescens, a freshwater fish
* , a perennial herb
* Perognathus flavescens, a North American rodent
* , a red algae
* Peziza flavescens, an apothecial fungus
* Phalera flavescens, an Asian moth
* Phaseolus flavescens, a wild bean
* , a jumping spider
* Phoradendron flavescens, a mistletoe native to the Americas
* Phragmatobia flavescens, a South American moth
* Phryneta flavescens, a flat-faced longho

P. maculata may refer to:
* , a jewel beetle
* Paragorgopis maculata, a picture-winged fly
* Paralopostega maculata, a moth endemic to Hawaii
* Parapercis maculata, a ray-finned fish
* Parasiccia maculata, an Asian moth
* Parasikukia maculata, a fish endemic to Thailand
* Parias maculata, a venomous pitviper
* Parochetus maculata, a plant with blue flowers
* , a tortoise beetle
* Paroreomyza maculata, a bird endemic to Oahu
* , a calyptrate muscoid
* , a snout moth
* Penicillaria maculata, an owlet moth
* Pentila maculata, an African butterfly
* Percina maculata, a roughbelly darter
* Peristeria maculata, a New World orchid
* Persicaria maculata, an annual plant
* Persicula maculata, a sea snail
* Phlox maculata, a flowering plant
* Phycodes maculata, an Indian moth
*

P. sinense (disambiguation)

P. gymnocephalus

P. ovale

P. floribunda

P. gracilis may refer to:
* , an extinct mammal species in the genus Pachyaena
* Palaeospheniscus gracilis, an extinct penguin species
* Pandercetes gracilis, the lichen huntsman spider, a spider species found in Australia
* Panulirus gracilis, a lobster species in the genus Panulirus
* Paradoxides gracilis, a trilobite species
* Paraprotopteryx gracilis, an extinct enantiornithine bird species of the Early Cretaceous
* Pearcea gracilis, a plant species endemic to Ecuador
* , the slender beardtongue, a wild flower species of the genus Penstemon found in Minnesota
* Petaurus gracilis, the mahogany glider, an endangered possum species
* Phlox gracilis, the slender phlox, a plant species
* Physalaemus gracilis, a frog species
* Plasmodium gracilis, a parasite species
* Plectomyce

P. formosa

P. purpurea (disambiguation)

P. mitis

P. fulgida may refer to:
* , a saltwater mussel
* Promenia fulgida, a marine bristle worm
* , a jewel beetle
* , a dove snail

P. sterreri

P. indica may refer to:
* Paravalsa indica, a fungus species
* Persea indica, a plant species
* , a colonial green alga species in the genus Pleodorina
* Plumbago indica, the scarlet leadwort, a pot plant species originally from India
* Potentilla indica, the mock strawberry or Indian strawberry, a plant species
* Pseudomonas indica, a Gram-negative, butane-using bacterium species first isolated in India
* , a scale insect species in the genus Pulvinaria
* Piriformospora indica, an endophytic root colonizing fungus, first isolated from the Thar Desert in India

P. moritziana

P. elegans (disambiguation)

P. nigra (disambiguation)

P. koreana (disambiguation)

P. gracilis

P. indicum

P. elegantissima

P. terminalis

P. rex

P. sylvestris may refer to:
* Phoenix sylvestris, the silver date palm or sugar date palm, a flowering plant species
* Pinus sylvestris, the Scots pine, a pine species native to Europe and Asia
* Podocarpus sylvestris, a conifer species found only in New Caledonia
* Pogonomys sylvestris, the gray-bellied tree mouse, a rodent species found only in Papua New Guinea

P. superba

P. elegans may refer to any of the following species:
* Phaps elegans, the brush bronzewing, a bird
* Phlebolepis elegans, a prehistoric jawless fish
* Piperia elegans, the elegant piperia, coast piperia, hillside rein orchid or hillside bogorchid, an orchid native to western North America
* Plagiorchis elegans, a parasitic trematode (fluke)
* Platycercus elegans, the crimson rosella, a parrot native to eastern and south eastern Australia which has been introduced to New Zealand and Norfolk Island
* Platycraniellus elegans, an extinct species of non-mammalian synapsids
* Platypodium elegans, the graceful platypodium, a large tree found in the Neotropics
* Plestiodon elegans, the five-striped blue-tailed skink or Shanghai skink, a lizard found in East Asia
* Poiretia elegans, a flo

P. emarginata (disambiguation)

P. silvestrii may refer to:
* , a plant species in the genus Paulownia
* (Grandi), a fig wasp species in the genus Pegoscapus
* , Caporiacco, 1940, a crab spider species in the genus Philodromus and the family Philodromidae found in Somalia
* , Mello-Leitão, 1944, a harvestman species in the genus Pseudobiantes and the family Epedanidae
* Pseudotyrannochthonius silvestrii, Ellingsen, 1905, a pseudoscorpion species in the genus Pseudotyrannochthonius and the family Chthoniidae found in Chile

P. sinense

P. macrophyllum may refer to:
* Phoradendron macrophyllum, the Colorado desert mistletoe, bigleaf mistletoe or Christmas mistletoe, a flowering plant species native to western North America
* Polygonum macrophyllum, a synonym for Bistorta macrophylla, a plant species found in Asia

P. flavigularis images

P. illyricum

P. graveolens may refer to:
* Pelargonium graveolens, a plant species found in southern Africa
* Peperomia graveolens, a plant species endemic to Ecuador
* Plectranthus graveolens, a shrub species native to New South Wales and Queensland in Australia
* Psilocybe graveolens, a mushroom species discovered in the salt marshes of Hackensack, New Jersey

P. insignis may refer to:
* Pachylemur insignis, an extinct lemur speciesonly known from subfossil remains found at sites in central and southwestern Madagascar
* Panterpe insignis, the fiery-throated hummingbird, a medium-sized hummingbird species found in Costa Rica and western Panama
* Patelloida insignis, a sea snail species
* Philonectria insignis, a fungus species
* Platonia insignis, a plant species found in South America
* Ploceus insignis, the brown-capped weaver, a bird species found in Africa
* Polihierax insignis, the white-rumped falcon or white-rumped Pygmy-falcon, a bird of prey species found in Cambodia, Laos, Myanmar, Thailand and Vietnam
* , flowering plant species in the genus Pothos
* Protomelas insignis, the one-and-a-half-stripe hap, a fish species found in Malawi, Mozambique and Tanzania
* , a crane fly species in the genus Pselliophora

P. rosea (disambiguation)

P. leonina

P. samuelson

P. maritima (disambiguation)

P. ferruginea (disambiguation)

P. flavescens

P. monspeliensis

P. roseus

P. maculata

P. histrionica

P. minimum

P. esculenta

P. tannensis

P. phyllostachydis may refer to:
* Phyllachora phyllostachydis, a fungus species
* Polyporus phyllostachydis, a fungus species growing on dead bamboo shoots
* , Kusano, the bamboo rust, a fungus species of the genus Puccinia

P. nobilis may refer to:
* Peltodoris nobilis, the sea lemon or noble dorid, a colorful sea slug species
* Petaurista nobilis, the Bhutan giant flying squirrel, a rodent species found in Bangladesh, Bhutan, China, India and Nepal
* Pinna nobilis, the noble pen shell, a bivalve mollusk species
* Pitcairnia nobilis, a plant species native to Ecuador
* Polymixia nobilis, the stout beardfish, a fish species

P. ruber

P. trifoliata may refer to:
* Poncirus trifoliata, the trifoliate orange, a tree species native to northern China and Korea
* Ptelea trifoliata, the hoptree or wafer ash, a deciduous shrub or small tree species native to North America

P. indicus may refer to:
* Penaeus indicus, an Indian prawn species
* Platycephalus indicus, the bartail flathead species
* Pterocarpus indicus, the Pashu Padauk, Malay Paduak or New Guinea rosewood, a plant species
* Pterocles indicus, the painted sandgrouse, a medium large bird species found in South Asia

P. reticulatus

P. palustris may refer to:
* Pandanus palustris, a plant species in the family Pandanaceae, endemic to Mauritius and threatened by habitat loss
* Parnassia palustris, a plant species and the county flower of Cumberland and Sutherland in the United Kingdom
* , the marsh lousewort, a plant species in the genus Pedicularis
* Pinus palustris, the longleaf pine, a pine species native to the southeastern United States
* Poa palustris, the fowl bluegrass, fowl meadowgrass, swamp meadowgrass or woodland bluegrass, a grass species native to Asia, Europe and Northern America
* Poecile palustris, a passerine bird in the tit family native to Europe and Asia
* Proceratophrys palustris, a frog species in the family Leptodactylidae, endemic to Brazil

P. neglecta

P. tabescens

P. terrestris may refer to:
* , an orchid species in the genus Pedilochilus
* Phaeotrichoconis terrestris, a plant pathogen species
* Phyllastrephus terrestris, a songbird species
* Phytophthora terrestris, a water mould species
* , an alga species in the genus Pseudotetracystis
* Pyrenochaeta terrestris, a fungal plant pathogen species

P. terrestris (disambiguation)

P. europaea

P. leonina (disambiguation)

P. sesostris

P. thunbergii

P. gouldii may refer to:
* , a worm species in the genus Pectinaria
* Phascolopsis gouldii, a sipunculid worm species in the genus
* Pseudomys gouldii, the Gould's mouse, a mouse found in eastern inland Australia

P. laeta

P. spinosa may refer to:
* Paa spinosa, a frog species
* Pallenis spinosa, a flowering plant species in the genus Pallenis
* , an extinct Cambrian arthropod species in the genus Panlongia
* Phylloxylon spinosa, a legume species
* , a jumping spider species in the genus Pochyta
* Prostanthera spinosa, a mintbush species in the genus Prostanthera
* , a predatory marine worm species in the genus
* Prunus spinosa, a deciduous large shrub species
* Pseudomonas spinosa, a Gram-negative soil bacterium species
* , a sac spider species in the genus Pteroneta
* , a flowering plant species in the genus Pultenaea
* Pyrenecosa spinosa, a wolf spider species in the genus Pyrenecosa

P. triangulum

P. frontalis

P. sulcus

P. lambertii

P. pinnata

P. spicata

P. exigua may refer to:
* Partula exigua, an extinct snail
* , a green algae
* Parvulastra exigua, a sea star
* Patella exigua, a true limpet
* Pelegrina exigua, a jumping spider
* , a radiator plant
* , a ground beetle
* , an Old World katydid
* , a carnivorous insect
* , a headshield slug
* Phoma exigua, a plant pathogen
* , a tachina fly
* Phycolepidozia exigua, a liverwort endemic to Dominica
* , a sac fungus
* , a formic-acid-producing ant
* , a predaceous ant
* , an Afrotropical moth
* , a bonnet orchid
* Ponometia exigua, an American moth
* Prenanthella exigua, a flowering plant
* Prumnopitys exigua, a Bolivian conifer
* , a huntsman spider
* Psilogramma exigua, a hawk moth
* Purpurcapsula exigua, a false cowry
* Puya exigua, a plant endemic to Ecuador

P. mystaceus

P. globulus

P. mandarina

P. petiolaris (disambiguation)

P. niger

P. donovani

P. poeppigii

P. submersa

P. fragilis (disambiguation)

P. tinctorius

P. saurocaudatum

P. nana

P. integrifolia

P. salicifolia (disambiguation)

P. glaucus

P. monstrosum

P. strobilacea

P. proximus

P. koreana

P. erecta (disambiguation)

P. spinosa (disambiguation)

P. sativa (disambiguation)

P. giganteus (disambiguation)

P. ovata (disambiguation)

P. gouldii (disambiguation)

P. nivalis (disambiguation)

P. illyricum (disambiguation)

P. fragilis may refer to:
* , a plant species in the genus Pentachaeta endemic to California
* Polysiphonia fragilis, a red alga species
* Phreatogammarus fragilis, an amphipod species found only in New Zealand's South Island

P. multiplex

P. mitchelli

P. lepida

P. rhizophorae

P. humilis

P. m. macroptera

P. spicata (disambiguation)

P. strobus

P. japonica may refer to:
* Paeonia japonica, a plant species native of the islands of northern Japan
* , a spider species in the genus Parasteatoda found in China, Taiwan, Korea and Japan
* Patanga japonica, a grasshopper species found in Japan
* Peyssonnelia japonica, a red alga species
* Philbertia japonica, a sea snail species
* Pieris japonica, the Japanese andromeda, a plant species native to eastern Asia and Japan
* , a colonial green alga species in the genus Pleodorina
* Pogonia japonica, an orchid species occurring from China to Japan
* Pollia japonica, the yabumyoga, a perennial flower species native to East Asia
* Polysiphonia japonica, a red alga species
* Popillia japonica, the Japanese beetle, an insect species
* Prunus japonica, the Korean cherry, flowering almond or Oriental bush cherry, a shrub species
* Pseudotsuga japonica, the Japanese Douglas-fir, a conifer species endemic to Japan
* Pterygia japonica, a sea snail species

P. utilis (disambiguation)

P. gingivalis

P. microphyllus (disambiguation)

P. serrata

P. lepidus

P. lepida may refer to:
* Parasa lepida, the nettle caterpillar or blue-striped nettle grub, a moth species found in India, Sri Lanka, Vietnam, Malaysia and Indonesia
* Pyrrhura lepida, the pearly parakeet or pearly conure, a parrot species endemic to east Amazonian forests in Brazil

P. phenolica

P. indicus

P. gigas (disambiguation)

P. tricolor

P. suffruticosa

P. hickmanii

P. nigellastrum

P. salicifolia may refer to:
* Prunus salicifolia, the capulin, a cherry tree species
* Pyrus salicifolia, a pear tree species native to the Middle East

P. hilli

P. greggii may refer to:
* Peniocereus greggii
* Pinus greggii

P. indicus (disambiguation)

P. marina

P. giganteus

P. mexicana

P. sativum

P. ponderosa

P. nivalis

P. oroxyli

P. fluorescens

P. lucopus

P. graveolens (disambiguation)

P. hastata (disambiguation)

P. purpureum

P. recki

P. flavum

P. globulus (disambiguation)

P. maximus (disambiguation)

P. minutus (disambiguation)

P. marginatus may refer to:
* Paracoccus marginatus, the papaya mealybug
* Phlebopus marginatus, the Salmon gum mushroom

P. phyllostachydis

P. methysticum

P. princeps

P. elegantissima (disambiguation)

P. tigris (disambiguation)

P. oxalidis

P. syriacus

P. macrophyllum (disambiguation)

P. prasina

P. esculenta may refer to:
* Platonia esculenta, a synonym for Platonia insignis, a tree species found in South America
* Psoralea esculenta, an herbaceous perennial plant species native to prairies and dry woodlands of central North America

P. melanoleuca

P. graveolens

P. fenestrata (disambiguation)

P. incana may refer to:
* , a flowering plant species native to the Andes of Ecuador and Peru
* Potentilla incana, a synonym for Potentilla arenaria, a plant species

P. maxima

P. exserta

P. nigricans

P. isabella

P. laetevirens

P. kishinouyei

P. prasina (disambiguation)

P. pinnata may refer to:
* Paullinia pinnata, a flowering plant species found in Africa
* Pometia pinnata, a tree species widespread in south east Asia and the Pacific region
* Psoralea pinnata, a small tree species native of South Africa
* Puck pinnata, a fish species known only from the northwest Pacific

P. levis

P. petiolaris

P. melbournensis

P. lepidus (disambiguation)

P. gardneri

P. microphyllus

P. naumanni

P. ridleyi may refer to:
* Podocarpus ridleyi, a conifer species found only in Malaysia
* Pterocyclophora ridleyi, a moth species found in Sundaland and the Philippines

P. macrophyllum

P. insignis may refer to:
* Pachylemur insignis, an extinct lemur speciesonly known from subfossil remains found at sites in central and southwestern Madagascar
* Panterpe insignis, the fiery-throated hummingbird, a medium-sized hummingbird species found in Costa Rica and western Panama
* Patelloida insignis, a sea snail species
* Philonectria insignis, a fungus species
* Platonia insignis, a plant species found in South America
* Ploceus insignis, the brown-capped weaver, a bird species found in Africa
* Polihierax insignis, the white-rumped falcon or white-rumped Pygmy-falcon, a bird of prey species found in Cambodia, Laos, Myanmar, Thailand and Vietnam
* , flowering plant species in the genus Pothos
* Protomelas insignis, the one-and-a-half-stripe hap, a fish species found in M

P. eques (disambiguation)

P. montana (disambiguation)

P. pudica

P. syriacus (disambiguation)

P. sinensis

P. potens

P. graeca

P. tinctorum

P. nivalis may refer to:
* Peperomia nivalis, a radiator plant species
* Phalacrocorax nivalis, a cormorant species
* Phlox nivalis, a flowering plant species
* , a species described in Carnivorous Plant Newsletter
* Plantago nivalis, a plantain species
* Plectrophenax nivalis, a passerine bird species
* Pleurothallis nivalis, an orchid species
* Podocarpus nivalis, a conifer species
* Primula nivalis, a herb species
* Pyrus nivalis, a pear species

P. nympharum

P. pubescens

P. foliata

P. ensifer

P. marginatus

P. marginatum (disambiguation)

P. semperflorens

P. maranhaoensis

P. hastatus

P. minuta (disambiguation)

P. grandis

P. hwangshanensis

P. spectabilis

P. juncea may refer to:
* , a purple flag
* , a perennial plant
* , a sheet weaver
* , a plant with fascicled stems
* Psathyrostachys juncea, a grass native to Russia and China

P. siamensis

P. mirabilis

P. rex may refer to:
* Papilio rex, the regal swallowtail, a butterfly species found in Africa
* , a plant related to lousewort
* Percina rex, the Roanoke logperch, a small freshwater fish species found in the Roanoke and Chowan drainages
* Pseudoeurycea rex, a salamander species found mostly in Guatemala and Mexico

P. grandis may refer to:
* , a large cactus species in the genus Pachycereus native to Mexico and just into southern Arizona, United States
* Peromyscus grandis, the big deer mouse, a rodent species found only in Guatemala
* , a fly species in the genus Phasia
* , a flowering plant species in the genus Pinanga
* Pisonia grandis, a flowering tree species distributed throughout the coral cays of the Indian and Pacific Oceans
* Pleurobranchus grandis, a marine sidegill slug species
* Ploceus grandis, the giant weaver, a bird species endemic to São Tomé and Príncipe
* , a spider species in the genus Promynoglenes endemic to New Zealand

P. giganteus may refer to:
* Pisaster giganteus, the giant sea star, a sea star species found along the western coast of North America
* Pteropus giganteus, the Indian flying-fox, a bat species found in Bangladesh, China, and India

P. hastatus may refer to:
* Parasenecio hastatus, a flowering plant species
* Phyllostomus hastatus, the greater spear-nosed bat, a mammal species from South and Central America

P. ubique

P. solaris

P. potens may refer to:
* Psalodon potens, an extinct mammal species
* Purranisaurus potens, an extinct Late Jurassic metriorhynchid crocodile species

P. faba may refer to:
* Partula faba, a land snail species
* Pinnixa faba or mantle pea crab, a crab species

P. microspora

P. hagemi

P. magnus

P. pedunculata may refer to:
* Petrophile pedunculata, conesticks, a flowering plant species
* Pultenaea pedunculata, the matted bush-pea, a flowering plant species

P. nivea (disambiguation)

P. ten Bruggencate

P. magnus may refer to:
* Paragomphus magnus, a dragonfly species found in Kenya, Mozambique, Tanzania, and Zimbabwe
* Peptostreptococcus magnus, an anaerobic, Gram-positive, non-spore forming bacterium species

P. erectus

P. frontalis may refer to:
* Paguristes frontalis, a hermit crab species
* Pericoptus frontalis, a beetle species
* Phoenicurus frontalis, the blue-fronted redstart, a bird species found in Bhutan, China and India
* Pipreola frontalis, the scarlet-breasted fruiteater, a bird species found in Bolivia and Ecuador
* Pyrrhura frontalis, the reddish-bellied parakeet, a small parrot species found from southeastern Brazil to north-eastern Argentina

P. drenskii

P. pyramidalis

P. platyops may refer to:
* Paramelomys platyops, the lowland mosaic-tailed rat, a rodent species found in Indonesia and Papua New Guinea
* Potorous platyops, the broad-faced potoroo, an extinct marsupial species that once lived in Australia

P. grande

P. tabuliformis may refer to:
* Pinus tabuliformis, the Chinese red pine, a pine species native to northern China
* Pitcairnia tabuliformis, a plant species endemic to Mexico

P. sinica may refer to:
* Platanthera sinica, an orchid species endemic to the Yunnan Province of China
* Pryeria sinica, the euonymus leaf notcher, a moth species native to Asia

P. indica (disambiguation)

P. nepalensis may refer to:
* , a bracket fungus
* , an Old World monocot
* , a ground beetle
* Persicaria nepalensis, a flowering plant
* , a ground beetle
* , a tachina fly
* Phyllonorycter nepalensis, a Nepalese moth
* , an Asian plant
* , a liverwort with thin leaf-like flaps on either side of the stem
* , a beetle native to the Palearctic
* , a ladybird that feeds on scale insects
* , a ground beetle
* , a small dung fly
* Potentilla nepalensis, a perennial plant
* , a ground beetle
* Pseudopostega nepalensis, a Nepalese moth
* , a mountain carp
* , a ground beetle
* , a plant pathogen

P. kofoidii

P. surinamensis

P. nigricans (disambiguation)

P. rubra

P. heterocycla

P. traversii

P. officinalis (disambiguation)

P. pulchella

P. gallicum

P. giganteum (disambiguation)

P. hastatus (disambiguation)

P. reticulatum

P. hadriani

P. somniferum

P. gouldi

P. potens (disambiguation)

P. j. davy

P. robustus

P. juncea

P. susterai

P. venosum may refer to:
* , a geranium
* Polyphlebium venosum, a filmy fern

P. leoninus

P. peregrinus

P. nigrum

P. glabrum

P. orientalis may refer to:
* Paradelma orientalis, the Brigalow scaly-foot or Queensland snake-lizard, a lizard species endemic to Australia
* Phalanger orientalis, the northern common cuscus, a marsupial species native to northern New Guinea
* Phylloscopus orientalis, the Eastern Bonelli's warbler, a bird species
* Picea orientalis, the Caucasian spruce or Oriental spruce, a tree species native to the Caucasus and adjacent northeast Turkey
* Platanus orientalis, the Oriental plane, a large deciduous tree species native from the Balkans to as far east as at least Iran
* Platycladus orientalis, an evergreen coniferous tree species native to northwestern China
* Platysaurus orientalis, the Sekukhune flat lizard, a reptile species found in Africa
* Plectorhinchus orientalis, a grunt species from the Indo-Pacific
* Poecilmitis orientalis, a butterfly species endemic to South Africa
* Polybranchia orientalis, a sea slug species found in the Indian and Pacific Oceans
* , a plant species in the genus Pseudanthus endemic to Australia
* Pseudomonas orientalis, a Gram-negative rod-shaped bacterium isolated from spring waters in Lebanon
* Pterocles orientalis, the black-bellied sandgrouse, a medium large bird species found in Iberia, northwest Africa, the Canary Islands, Turkey, Iran, Cyprus and Israel

P. hildebrandti

P. spinosa

P. szaferi

P. nobilis

P. leptochila

P. monstrosus (disambiguation)

P. microphyllus may refer to:
* Philadelphus microphyllus, the littleleaf mock-orange, a plant species native to northern Mexico and the southwestern quadrant of the United States as far north as Wyoming
* Pilocarpus microphyllus, a shrub species found in Brazil

P. pratensis

P. leucoptera

P. fruticosa

P. granatum

P. oblonga

P. porphyrae

P. juliflora

P. giraldii

P. robusta (disambiguation)

P. elegans may refer to any of the following species:
* Phaps elegans, the brush bronzewing, a bird
* Phlebolepis elegans, a prehistoric jawless fish
* Piperia elegans, the elegant piperia, coast piperia, hillside rein orchid or hillside bogorchid, an orchid native to western North America
* Plagiorchis elegans, a parasitic trematode (fluke)
* Platycercus elegans, the crimson rosella, a parrot native to eastern and south eastern Australia which has been introduced to New Zealand and Norfolk Island
* Platycraniellus elegans, an extinct species of non-mammalian synapsids
* Platypodium elegans, the graceful platypodium, a large tree found in the Neotropics
* Plestiodon elegans, the five-striped blue-tailed skink or Shanghai skink, a lizard found in East Asia
* Poiretia elegans, a flowering plant in the legume family (Fabaceae) found in Brazil
* Polyscias elegans, the celery wood, a rainforest tree found in eastern Australia
* Pomatias elegans, the round-mouthed snail, a small land snail
* Prioniodus elegans, a conodont
* Protaetia elegans, a flower chafer found in Taiwan
* Psychopyge elegans, a trilobite
* Ptychosperma elegans, the Alexander palm, solitaire palm, cabbage palm or elegant palm, a palm endemic to Australia

P. leo

P. sinica (disambiguation)

P. leucoptera (disambiguation)

P. gaedii

P. hypogaeum

P. gracilis may refer to:
* , an extinct mammal species in the genus Pachyaena
* Palaeospheniscus gracilis, an extinct penguin species
* Pandercetes gracilis, the lichen huntsman spider, a spider species found in Australia
* Panulirus gracilis, a lobster species in the genus Panulirus
* Paradoxides gracilis, a trilobite species
* Paraprotopteryx gracilis, an extinct enantiornithine bird species of the Early Cretaceous
* Pearcea gracilis, a plant species endemic to Ecuador
* , the slender beardtongue, a wild flower species of the genus Penstemon found in Minnesota
* Petaurus gracilis, the mahogany glider, an endangered possum species
* Phlox gracilis, the slender phlox, a plant species
* Physalaemus gracilis, a frog species
* Plasmodium gracilis, a parasite species
* Plectomyces gracilis, a fungus species
* Pleurothallis gracilis, an orchid species endemic to Brazil
* Polygonia gracilis, the hoary comma, a butterfly species common in boreal North America
* Polyscias gracilis, a plant species endemic to Mauritius
* Potentilla gracilis, the slender cinquefoil or graceful cinquefoil, a plant species
* Pouteria gracilis, a plant species endemic to Peru
* Pradhania gracilis, a dinosaur species from the Early Jurassic
* Prinia gracilis, the graceful prinia, a small warbler species
* Protodiplatys gracilis, an extinct earwig species
* Pseudomyrmex gracilis, the elongate twig ant, an ant species
* Pugettia gracilis, the graceful kelp crab, a crab species

P. intermedia may refer to:
* , an extinct mammal species in the genus Pachyaena
* Pareuxesta intermedia, a picture-winged fly species
* Pavetta intermedia, a plant species found in the Democratic Republic of the Congo and Uganda
* Pearcea intermedia, a threatened plant species from Ecuador
* Pipreola intermedia, the Band-tailed Fruiteater, a bird species found in Bolivia and Peru
* , a species of plant in the Potentilla (cinquefoils) genus
* Prevotella intermedia, a gram-negative anaerobic pathogen bacterium species involved in periodontal infections
* Psittacula intermedia, the Intermediate Parakeet or Rothschild's Parakeet, a kind of parakeet reported from the sub-Himalayan region of India

P. multicolor

P. reticulatum may refer to:
* Pentabrachion reticulatum, a flowering plant species
* Phragmipedium reticulatum, an orchid species
* Propilidium reticulatum, a sea snail species
* Pseuderanthemum reticulatum, a shrub species
* Pseudoplatystoma reticulatum, a catfish species
* Pterospermum reticulatum, a flowering plant species

P. domesticus (disambiguation)

P. floribunda may refer to:
* , a parasitic plant
* , an afrotropical plant
* Pectis floribunda, an annual plant
* Pentacalia floribunda, a plant endemic to Ecuador
* Pentaphylloides floribunda, a deciduous shrub
* , a plant with perfect flowers
* Phacelia floribunda, a phacelia endemic to San Clemente Island
* , an African plant
* Phyllodoce floribunda, a perennial evergreen
* , a plant with stems that contain mucous canals
* Physaria floribunda, a perennial herb
* Pieris floribunda, a shrubby bush
* Pilosella floribunda, a vascular plant
* , a plant species native to North America
* , a tropical legume
* , a flowering plant
* Plummera floribunda, a plant with composite flowers
* Pogogyne floribunda, a mint native to northeastern California
* Potentilla floribunda, a de

P. marginatus (disambiguation)

P. mitchelli (disambiguation)

P. exigua

P. intermedium

P. falciparum erythrocyte membrane protein 1

P. glaucus (disambiguation)

P. ridleyi

P. petraea

P. lactiflora

P. picta

P. erecta

P. greggii

P. floribunda may refer to:
* , a parasitic plant
* , an afrotropical plant
* Pectis floribunda, an annual plant
* Pentacalia floribunda, a plant endemic to Ecuador
* Pentaphylloides floribunda, a deciduous shrub
* , a plant with perfect flowers
* Phacelia floribunda, a phacelia endemic to San Clemente Island
* , an African plant
* Phyllodoce floribunda, a perennial evergreen
* , a plant with stems that contain mucous canals
* Physaria floribunda, a perennial herb
* Pieris floribunda, a shrubby bush
* Pilosella floribunda, a vascular plant
* , a plant species native to North America
* , a tropical legume
* , a flowering plant
* Plummera floribunda, a plant with composite flowers
* Pogogyne floribunda, a mint native to northeastern California
* Potentilla floribunda, a deciduous shrub
* , a herbaceous plant
* , an Oceanian orchid

P. ehrenbergii

P. japonica (disambiguation)

P. m. gouldi

P. proximus (disambiguation)

P. intermedia

P. maritimus (disambiguation)