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1,032 species in Great Sand Dunes National Park
Primula parryi
Protogygia postera
Pseudotsuga menziesii
Psilochorus imitatus
Pterocheilus quinquefasciatus
Puccinia micranthae
Quercus gambelii
Ranunculus abortivus
Ranunculus inamoenus
Raphia frater
Rhantus sericans
Rhizoplaca chrysoleuca
Rhopalomyia chrysothamni
Rhyacophila pellisa
Rhysodromus alascensis
Rorippa teres
Rosa arkansana
Rumex triangulivalvis
Rusavskia elegans
Sabulodes niveostriata
Salix bebbiana
Salix lasiandra
Salix monticola
Sceloporus undulatus
Schinia acutilinea
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