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3,295 species in Denali National Park
Spargania magnoliata
Sparganium emersum
Sphagnum palustre
Sphenolobus saxicola
Sphinctrina turbinata
Spinulum canadense
Splachnum rubrum
Splachnum vasculosum
Sporastatia polyspora
Stachys pilosa
Staurodesmus octocornis
Staurothele clopimoides
Stemonitis pallida
Stemonitis virginiensis
Stemonitopsis hyperopta
Stenodus leucichthys
Stereocaulon apocalypticum
Stereocaulon dactylophyllum
Stereocaulon saxatile
Stereocaulon subcoralloides
Stereocaulon symphycheilum
Stereum hirsutum
Sthenopis purpurascens
Sticta fuliginosa
Suillus grevillei
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