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2,243 species in Mammoth Cave National Park
Usnea mutabilis
Valerianella radiata
Verbascum blattaria
Veronica arvensis
Veronica polita
Vespula squamosa
Viola hirsutula
Virginia valeriae
Vulpicida viridis
Woodwardia areolata
Xanthoparmelia subramigera
Xylobolus frustulatus
Xylomya simillima
Yucca filamentosa
Zonitoides arboreus
Allocapnia rickeri
Allogona profunda
Alobates pensylvanicus
Ambystoma tigrinum
Ameiurus nebulosus
Anaea andria
Anatherum virginicum
Ancyloxypha numitor
Aeolus mellillus
Andropogon gerardi
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