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5,425 species in Yosemite National Park
Rumex crispus
Sabulina douglasii
Sabulina rubella
Salix cordata
Salix lutea
Danaus gilippus
Salix prolixa
Sanicula bipinnatifida
Saperda calcarata
Sarcodon squamosus
Sarcosphaera coronaria
Saxifraga rivularis
Saxinis sonorensis
Scaphinotus marginatus
Schaereria dolodes
Schinia suetus
Schistidium atrichum
Schoenoplectus acutus
Sciurus carolinensis
Scleropodium cespitans
Scleropodium occidentale
Scutellaria bolanderi
Scutigera coleoptrata
Scytinium palmatum
Secale cereale
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