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2,243 species in Mammoth Cave National Park
Oxidus gracilis
Prunella vulgaris
Mimulus alatus
Nycticorax nycticorax
Oxydendrum arboreum
Phaeophyscia squarrosa
Pilea pumila
Platycryptus undatus
Plethodon glutinosus
Promachus hinei
Pyxine subcinerea
Verbascum thapsus
Sherardia arvensis
Smilax bona-nox
Desmognathus fuscus
Stereum complicatum
Teucrium canadense
Tsuga canadensis
Allium canadense
Anisostena nigrita
Asclepias quadrifolia
Udea rubigalis
Carya ovata
Cryptotaenia canadensis
Erythemis simplicicollis
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