Mertensia lanceolata
Boraginaceae > Boraginales > Magnoliopsida
Mexican spotted owl
Mexican Spotted Owl —
Mycoplasma
Mycoplasmataceae > Mycoplasmatales
Neochetina bruchi
Curculionidae > Coleoptera > Insecta
Neochetina eichhorniae
water hyacinth weevil — Curculionidae > Coleoptera > Insecta
Neochetina spp.
water hyacinth weevil —
Ondatra zibethicus
muskrats — Cricetidae > Rodentia > Mammalia
Ophiomorpha
trace fossil —
Oryza sativa
rice — Poaceae > Poales > Magnoliopsida
P. vaughani
Packera werneriifolia
Asteraceae > Asterales > Magnoliopsida
Papilio canadensis
Papostipa speciosa
Parrya nudicaulis
Brassicaceae > Brassicales > Magnoliopsida
Pedicularis parryi
Parry Lousewort — Orobanchaceae > Lamiales > Magnoliopsida
Penstemon centranthifolius
Plantaginaceae > Lamiales > Magnoliopsida
Pentalonia nigronervosa
banana aphid — Aphididae > Hemiptera > Insecta
Pentaphylioides floribunda
Perennial ryegrass
Perennial ryegrass —
Petunia hybrida
petunia — Solanaceae > Solanales > Magnoliopsida
Phacelia parryi
Phacelia sericea
Silky Phacelia — Hydrophyllaceae
Picoides tridactylus
Three-toed woodpecker — Picidae > Piciformes > Aves
Piggies
Piggies —
Pinus elliottii
Pinaceae > Pinales > Pinopsida
Pinus pinaster
Pinaceae > Pinales > Pinopsida
Piper cenocladum
Plagioclase feldspar
Plantago major
Common Plantain — Plantaginaceae
Plasmodium durae
Plasmodium relictum
Plebejus melissa melissa
Melissa blue butterflies — Lycaenidae > Lepidoptera > Insecta
Poa
bluegrass — Poaceae > Poales > Magnoliopsida
Poa arctica
Arctic Bluegrass — Poaceae > Poales > Magnoliopsida
Polemonium brandegeei
Polemoniaceae > Ericales > Magnoliopsida
Pontia occidentalis
Pieridae > Lepidoptera > Insecta
Populus fremontii
cottonwoods — Salicaceae > Malpighiales > Magnoliopsida
Populus nigra
black poplar — Salicaceae > Malpighiales > Magnoliopsida
Potentilla anserina
Silverweed — Rosaceae
Profusulinella
Prunus virginiana
Chokecherry — Rosaceae > Rosales > Magnoliopsida
Pseudostaffella
Pternistis swainsonii
Swainson's Francolin — Phasianidae > Galliformes > Aves
Quercus alba
Fagaceae > Fagales > Magnoliopsida
Rangifer tarandus platyrhynchus
Svalbard reindeer —
Ranunculus glaberrimus
Ranunculaceae > Ranunculales > Magnoliopsida
Ranunculus inaemoenus
Ranunculaceae
Ranunculus nivalis
Ranunculaceae > Ranunculales > Magnoliopsida
Ranunculus uncinatus
Buttercup — Ranunculaceae > Ranunculales > Magnoliopsida
Rhodiola integrifolia
King's Crown — Crassulaceae > Saxifragales > Magnoliopsida