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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00236
Clinton Boner s.n.
Ustilago residua G.P. Clinton

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052051
H. E. Parks s.n. 18 November 1921
Erysiphe cichoracearum DC.
United States, California, Santa Clara, Vicinity of San Jose

University of California Berkeley, University Herbarium
Catalog #: UC439458
H. E. Parks #3429 25 May 1930
Ustilago residua G.P. Clinton
USA, California, Humboldt, Larabee Valley

Field Museum of Natural History
Catalog #: C0273241F
H. E. Parks | J. P. Tracy s.n. 25 May 1930
Ustilago residua G.P. Clinton
USA, California, Humboldt, Laribee Valley

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00087891
J. P. Tracy s.n. 25 May 1930
Ustilago residua G.P. Clinton
United States, California, Humboldt, Laribee Valley

University of California Berkeley, University Herbarium
Catalog #: UC439485
J. P. Tracy #s.n. 25 May 1930
Ustilago residua G.P. Clinton
USA, California, Humboldt, Larabee Valley

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0064505
J. P. Tracy #s.n. 25 May 1930
Ustilago residua G.P. Clinton
United States, California, Humboldt, Larabee Valley

Michigan State University Herbarium
Catalog #: MSC0212893
J. P. Tracy; H. E. Parks s.n. 25 May 1930
Ustilago residua G.P. Clinton
United States, California, Humboldt, Laribee Valley

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP13000
Tracy, J. P.; Parks, H. E. s.n. 25 May 1930
Ustilago residua G.P. Clinton
United States, California, Humboldt, Larabee Valley