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

Cornell University Plant Pathology Herbarium
Catalog #: CaliforniaF.01386
s.n.
Peronospora Corda

USDA United States National Fungus Collections
Catalog #: BPI 786940
Bonar, Lee s.n. 12 January 1974
Peronospora alsinearum Casp.
United States, California, Alameda, North Berkeley Hills

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP67391
Unknown s.n. 12 January 1974
Peronospora alsinearum Caspary
United States, California, Alameda, North Berkeley Hills, Berkeley