Anonymous, Calif. Fungi
Herbarium of the University of California. [1- ? 1425]

USDA United States National Fungus Collections
Catalog #: BPI 427879
Bonar Lee s.n. 01 October 1949
Clasterosporium obclavatum (Cooke) Sacc.
United States, California, Mt. Tamalpais, Marin Co. Summit

USDA United States National Fungus Collections
Catalog #: BPI 948471
Bonar Lee #s.n. 01 October 1949
Clasterosporium obclavatum (Cooke) Sacc.
United States, California, Marin, Summit of Mt. Tamalpais

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-V-0044979
L. Bonar s.n. 01 October 1949
Clasterosporium obclavatum (Cooke) Sacc.
USA, California, Marin, Summit of Mt. Tamaplais

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP39040
Lee Bonar s.n. 01 October 1949
Clasterosporium obclavatum Bonar
United States, California, Marin, summit of Mount Tamalpais

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214087
Lee Bonar s.n. 01 October 1949
Clasterosporium obclavatum Bonar
United States, California, Marin, Summit of Mt. Tamalpais

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0001363
Lee Bonar #s.n. 01 October 1949
Clasterosporium obclavatum Bonar
United States, California, Marin, Summit of Mt. Tamalpais