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6,550 species in Shenandoah National Park
Nerice bidentata
Ochrolechia mexicana
Odontota dorsalis
Paectes oculatrix
Palthis angulalis
Paraleuctra sara
Parmotrema margaritatum
Peltigera polydactylon
Pero morrisonaria
Pertusaria rubefacta
Phacelia purshii
Phaeocalicium polyporaeum
Phaeophyscia orbicularis
Phalaenostola larentioides
Phanogomphus quadricolor
Philonix fulvicollis
Phyllotopsis nidulans
Phytomyza opacae
Plagodis alcoolaria
Plagodis phlogosaria
Plantago aristata
Platanthera ciliaris
Platycheirus obscurus
Platygyrium repens
Pleurotus levis
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