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

Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00413
s.n.
Polythrincium Kunze

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214050
J. P. Tracy s.n. 28 June 1930
Polythrincium trifolii Kunze
United States, California, Humboldt, Buck Mt.

University of California Berkeley, University Herbarium
Catalog #: UC538750
J. P. Tracy #9592 28 June 1930
Polythrincium trifolii Kunze
United States, California, Humboldt, Buck Mt.

University of Michigan Herbarium
Catalog #: 329843
J. P. Tracy #s. n. 28 June 1930
Polythrincium trifolii Kunze
USA, California, Humboldt, Buck Mountain.

USDA United States National Fungus Collections
Catalog #: BPI 948120
J. P. Tracy #s.n. 28 June 1930
Polythrincium trifolii Kunze
United States, California, Humboldt, Buck Mountain

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP35298
J.P. Tracy s.n. 28 June 1930
Polythrincium trifolii Kunze
United States, California, Humboldt, Buck Mountain

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0097866
J.P. Tracy #s.n. 28 June 1930
Polythrincium trifolii Kunze
USA, California, Humboldt, Buck Mountain

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0016456
Tracy, Joseph P. #s.n. 28 June 1930
Polythrincium trifolii Kunze
United States, California, Humboldt, Buck Mountain