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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01256
s.n.
Harknessia Cooke

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0019230
Isabelle Tavares #1988 01 April 1966
Harknessia arctostaphyli Cooke & Harkn.
United States, California, Amador, about 1.5 mi. south of Hwy. 88, about 1.8 mi. east of junction with road to Ione

University of California Berkeley, University Herbarium
Catalog #: UC1402969
Isabelle Tavares #1988 01 April 1966
Harknessia arctostaphyli Cooke & Harkn.
USA, California, Amador, about 1.5 mi. south of Hwy. 88, about 1.8 mi. east of junction with road to Ione