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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00323
s.n.
Hypoxylon occidentale Ellis & Everhart

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP35250
H. E. Parks s.n.
Hypoxylon occidentale Ellis & Everhart
United States, California, Alameda, Berkeley

Michigan State University Herbarium
Catalog #: MSC0212963
H. E. Parks s.n.
Hypoxylon occidentale Ellis & Everhart
United States, California, Alameda, Berkeley;

University of Michigan Herbarium
Catalog #: 314393
H. E. Parks #s. n.
Hypoxylon occidentale Ellis & Everh.
USA, California, Alameda, Berkeley.

Field Museum of Natural History
Catalog #: C0241631F
H.E. Parks #s.n.
Hypoxylon occidentale Ellis & Everhart
United States, California, Alameda, Berkeley;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0020392
H.E. Parks #s.n.
Hypoxylon occidentale Ellis & Everh.
United States, California, Alameda, Berkeley;

University of Florida Herbarium
Catalog #: FLAS-F-50839
H.E.Parks s.n.
Hypoxylon occidentale Ellis & Everhart
USA, California, Alameda, Berkeley;

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00004887
Harold E. Parks s.n.
Hypoxylon nummularium Bull.
USA, California, Alameda, Berkeley;

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0013300
Parks, Harold Ernest #s.n.
Hypoxylon occidentale Ellis & Everhart
United States, California, Alameda, Berkeley