St. Clair, Ririe & Newberry, Anderson & Shushan Lich. W. N. Amer.
L.L. St. Clair; T.O. Ririe ; C.C. Newberry [26 - 50]

Oregon State University Herbarium
Catalog #: 71469
Sam Shushan #Shushan sl-1571 25 June 1977
Cetraria ericetorum Opiz
United States, Colorado, Clear Creek, NW of Loveland Pass; 32.2 km W southwest of Idaho Springs