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1,791 species in Theodore Roosevelt National Park
Osmia texana
Panaeolus papilionaceus
Paonias myops
Papilio multicaudata
Parmeliopsis ambigua
Parthenocissus quinquefolia
Paruroctonus boreus
Peltigera neckeri
Peltigera praetextata
Peltula bolanderi
Perenniporia fraxinophila
Perichaena depressa
Phidippus apacheanus
Phidippus princeps
Phlox andicola
Phrynosoma douglasii
Phyciodes tharos
Physcia dubia
Pimephales promelas
Pinus scopulorum
Plantago elongata
Plantago major
Plataea trilinearia
Poa arida
Poa secunda
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