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6,550 species in Shenandoah National Park
Paonias myops
Parmelia saxatilis
Parogonum ciliinode
Peridea angulosa
Phalaropus tricolor
Phlogophora periculosa
Photinus pyralis
Phymata fasciata
Physocephala sagittaria
Placynthiella icmalea
Plagodis serinaria
Plantago virginica
Platanthera clavellata
Poa sylvestris
Podiceps grisegena
Podium luctuosum
Polemonium reptans
Polites themistocles
Ponera pennsylvanica
Populus tremuloides
Potthastia gaedii
Procecidochares atra
Pterostichus moestus
Quercus muehlenbergii
Rosellinia subiculata
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