Cummings, Williams & Seymour: Lich. Bor.-Amer.
Francis W. Pennell [1-280]

Oregon State University Herbarium - Lichens
Catalog #: 54690
0b00cc07-1af6-45ac-8e7e-d4f609a3a41a
Thos. A. Williams #NAL 236 01 January 1897
Cetraria fendleri (Nyl.) Tuck.
United States, Maryland, Takoma Park,Md.