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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01370
s.n.
Hypoxylon thouarsianum (Lév.) Lloyd

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP67369
Isabelle Tavares s.n. 10 February 1962
Hypoxylon thouarsianum (Lév.) Lloyd
United States, California, Santa Cruz, Santa Cruz Mountains, Boulder Creek, along Hwy. 9 near intersection with Big Basin Road