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2,976 species in Lassen Volcanic National Park
Prunus virginiana
Botrychium simplex
Pseudomasaris zonalis
Pseudorhizina californica
Pterigynandrum filiforme
Ptychostomum creberrimum
Puccinia rufescens
Puccinia violae
Pucciniastrum sparsum
Puma concolor
Pyronema omphalodes
Quercus chrysolepis
Ranunculus occidentalis
Rhabdocline pseudotsugae
Andrena medionitens
Ribes inerme
Riccardia palmata
Schistidium atrichum
Callophrys johnsoni
Schoenoplectus heterochaetus
Scleroderma polyrhizum
Scutellaria galericulata
Scymnus horni
Senecio integerrimus
Sigara omani
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