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

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0065171
H. E. Parks #3621 20 April 1931
Vertixore atronitidum V.A.M. Mill. & Bonar
United States, California, Sonoma, Between Knights and Alexander Valley

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-V-0047702
H.E. Parks #3621 20 April 1931
Vertixore atronitidum V.A.M. Mill. & Bonar
USA, California, Sonoma, Between Knights and Alexander Valley

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00749
Parks, Harold Ernest s.n. 20 April 1931
Vertixore atronitidum V.A.M. Mill. & Bonar
USA, California, Sonoma, between Knights and Alexander Valley