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

Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.00271
s.n.
Hypoxylon

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00056224
H. E. Parks s.n. 17 May 1925
Hypoxylon callostroma (Schwein.) Berk.
United States, California, Alameda, Berkeley Hills

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0212917
H. E. Parks s.n. 17 May 1925
Hypoxylon callostroma (Schwein.) Berk.
United States, California, Alameda, Berkeley Hills

Field Museum of Natural History
Catalog #: C0241462F
b5fd5151-43cd-43d6-94a7-9b763ec3396c
H. E. Parks #s.n. 17 May 1925
Hypoxylon callostroma (Schwein.) Berk. (Schwein.) Berk.
U.S.A., California, Alameda, Berkeley Hills

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP14092
H.E. Parks s.n. 17 May 1925
Creosphaeria sassafras (Schwein.) Y.M. Ju, F. San Martín & J.D. Rogers
United States, California, Alameda, Berkeley Hills

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0020249
H.E. Parks #s.n. 17 May 1925
Hypoxylon callostroma (Schwein.) Berk.
United States, California, Alameda, Berkeley Hills;

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00005810
Harold E. Parks s.n. 17 May 1925
Hypoxylon sassafras (Schwein.) M.A. Curtis
USA, California, Alameda, Berkeley Hills

USDA United States National Fungus Collections
Catalog #: BPI 592881
Parks H. E. s.n. 17 May 1925
Hypoxylon sassafras (Schwein.) M.A. Curtis
United States, California, Berkeley Hills, Alameda Co.

USDA United States National Fungus Collections
Catalog #: BPI 947980
Parks H. E. #s.n. 17 May 1925
Hypoxylon sassafras (Schwein.) M.A. Curtis
United States, California, Alameda, Berkeley Hills