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2,321 species in Wrangell-St. Elias National Park
Sorex obscurus
Sphacelaria racemosa
Sphagnum capillifolium
Sphagnum fimbriatum
Sphagnum orientale
Sphagnum teres
Sphenolobus minutus
Spinellus fusiger
Spiraea beauverdiana
Sporastatia testudinea
Staurothele drummondii
Stellaria media
Stereocerus haematopus
Strix nebulosa
Stuckenia pectinata
Stylaster campylecus
Symphyotrichum boreale
Synthliboramphus antiquus
Syrphus torvus
Taraxacum carneocoloratum
Taraxacum phymatocarpum
Teloleuca bifasciata
Teloleuca pellucens
Tephromela atra
Tetanocera plebeja
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