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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00750
Bonar, Lee s.n. 21 April 1939
Vertixore atronitidum V.A.M. Mill. & Bonar
USA, California, Contra Costa, north end of Wild Cat Canyon

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-V-0047703
L. Bonar s.n. 21 April 1939
Vertixore atronitidum V.A.M. Mill. & Bonar
USA, California, Contra Costa, North end of Wild Cat Canyon

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0065174
Lee Bonar #s.n. 21 April 1939
Vertixore atronitidum V.A.M. Mill. & Bonar
United States, California, Contra Costa, North end of Wild Cat Canyon