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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.01059
s.n.
Mycosphaerella Johanson

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0025119
H. E. Parks #4447 19 March 1933
Mycosphaerella arbuticola (Peck) Jaap
United States, California, Humboldt, Van Duzen River, near Bridgeville

University of California Berkeley, University Herbarium
Catalog #: UC1139362
H. E. Parks #4447 19 March 1933
Mycosphaerella arbuticola (Peck) Jaap
USA, California, Humboldt, Van Duzen River, near Bridgeville.

Field Museum of Natural History
Catalog #: C0242583F
H.E. Parks #4447 19 March 1933
Mycosphaerella arbuticola (Peck) Jaap
United States, California, Humboldt, Van Duzen River, near Bridgeville

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00156255
Harold E. Parks #4447 19 March 1933
Mycosphaerella arbuticola (Peck) Jaap
United States, California, Humboldt, Van Duzen River, near Bridgeville.