St. Clair, Knight, Ririe & Kitchen, Anderson & Shushan Lich. W. N. Amer.
L.L. St. Clair ; K.B. Knight ; P. Ririe ; T. Kitchen [76 - 100]

Oregon State University Herbarium
Catalog #: 172649
Sam Shushan #sl-560 08 July 1961
Peltigera aphthosa (L.) Willd.
United States, Colorado, Larimer, Trap Creek south of Chambers Lake.