Calkins, N. Am. Lich.
W. W. Calkins

Field Museum of Natural History
Catalog #: C1006884F
b40f5fa1-b3aa-42c5-8cc7-c4b91e5d6aca
W. W. Calkins #141
Pyrrhospora elabens (Fr.) Hafellner
U.S.A., Tennessee, Lookout Mountain