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Popular traits
2,976 species in Lassen Volcanic National Park
Trillium albidum
Trimerotropis leucophaea
Trimerotropis pallidipennis
Triticum aestivum
Tropisternus columbianus
Tubifera montana
Tubulicrinis chaetophorus
Turbinellus kauffmanii
Tympanis laricina
Umbellularia californica
Uromyces intricatus
Uromyces spragueae
Usnea scabrata
Utricularia vulgaris
Vanessa atalanta
Vanessa carye
Vascellum lloydianum
Veluticeps fimbriata
Ventenata dubia
Veronica anagallis-aquatica
Viola canina
Racomitrium sudeticum
Viola pedunculata
Viola praemorsa
Vireo plumbeus
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