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3,374 species in New River Gorge National Park
Pyreferra hesperidago
Pyxine subcinerea
Ramalina americana
Ramalina dilacerata
Ramaria formosa
Ramaria subbotrytis
Ramaricium alboflavescens
Ramaricium polyporoideum
Ramularia brunnea
Ramularia rubella
Ramularia taraxaci
Ranunculus repens
Rattus norvegicus
Redectis vitrea
Retiboletus griseus
Rhiginia cruciata
Rhodobryum ontariense
Zale horrida
Rhododendron arborescens
Rhopobota dietziana
Rhus copallinum
Rhus glabra
Rhynchostegium serrulatum
Ricasolia quercizans
Rivula propinqualis
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