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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00996
s.n.
Ustilago bullata Berk.

University of California Berkeley, University Herbarium
Catalog #: UC1029432
J. P. Tracy #13280 01 July 1934
Ustilago bullata Berk.
USA, California, Humboldt, Trinity River Valley opposite Willow Creek

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00155455
Joseph P. Tracy #13280 01 July 1934
Ustilago bullata Berk.
United States, California, Humboldt, Trinity River Valley, opposite Willow Creek.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0063969
Joseph P. Tracy #13280 01 July 1934
Ustilago bullata Berk.
United States, California, Humboldt, Trinity River Valley opposite Willow Creek