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

Oregon State University Herbarium - Lichens
Catalog #: 99769
1cc3dff4-853e-4cd6-8dee-32cdde60d066
Marshall A. Howe #N. A. L. 126 00 April 1893
Scytinium palmatum (Huds.) Gray
United States, California