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

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2512
H. E. Parks s.n. 00 May 1925
Erysiphe polygoni DC.
United States, California, Alameda, Berkeley Hills

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052583
H. E. Parks s.n. 00 May 1925
Erysiphe polygoni DC.
United States, California, Alameda, Berkeley Hills;

Michigan State University Herbarium
Catalog #: MSC0212912
H. E. Parks s.n. 00 May 1925
Erysiphe polygoni DC.
United States, California, Alameda, Berkeley Hills

University of California Berkeley, University Herbarium
Catalog #: UC439475
H. E. Parks s.n. 00 May 1925
Erysiphe pisi DC.
USA, California, Alameda, Berkeley Hills

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0084507
H.E. Parks #266 00 May 1925
Erysiphe pisi DC.
USA, California, Alameda, Berkeley Hills

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015692
H.E. Parks #s.n. 00 May 1925
Erysiphe polygoni DC.
United States, California, Alameda, Berkeley Hills;

Field Museum of Natural History
Catalog #: C0285473F
H.E. Parks #s.n. 00 May 1925
Erysiphe polygoni DC.
USA, California, Alameda, Berkeley Hills; Berkeley Hills