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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00645
s.n.
Hysterographium prominens (W. Phillips & Harkn.) Berl. & Voglino

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0020541
H. E. Parks #3576 25 March 1931
Hysterographium prominens (W. Phillips & Harkn.) Berl. & Voglino
United States, California, Humboldt, Van Duzen River above Alton

Field Museum of Natural History
Catalog #: C0280153F
H.E. Parks #3576 25 March 1931
Hysterographium prominens (W. Phillips & Harkn.) Berl. & Voglino
USA, California, Humboldt, above Alton, Van Duzen River

University of California Berkeley, University Herbarium
Catalog #: UC653275
J. P. Tracy #3576 25 March 1931
Hysterographium prominens (W. Phillips & Harkn.) Berl. & Voglino
USA, California, Humboldt, Van Duzen River above Alton

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP31556
J. P. Tracy; H. E. Parks s.n. 25 March 1931
Hysterographium prominens (W. Phillips & Harkn.) Berl. & Voglino
United States, California, Humboldt, Van Duzen River above Alton

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0092613
J.P. Tracy #3576 25 March 1931
Hysterographium flexuosum (Schwein.) Sacc.
USA, California, Humboldt, Van Duzen River above Alton