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

Cornell University, Plant Pathology Herbarium
Catalog #: CaliforniaF.00478
s.n.
Microsphaera diffusa Cooke & Peck

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP39790
J. P. Tracy s.n. 03 September 1932
Microsphaera diffusa Cooke & Peck
United States, California, Humboldt, Table Bluff

University of California Berkeley, University Herbarium
Catalog #: UC554949
J. P. Tracy #10761 03 September 1932
Erysiphe pisi DC.
USA, California, Humboldt, Table Bluff

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0011844
J.P. Tracy s.n. 03 September 1932
Microsphaera diffusa Cooke & Peck
United States, California, Humboldt County, Table Bluff;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0024467
J.P. Tracy #10,761 03 September 1932
Microsphaera diffusa Cooke & Peck
United States, California, Humboldt, Table Bluff

University of Florida Herbarium
Catalog #: FLAS-F-25490
J.P. Tracy #10,761 03 September 1932
Microsphaera diffusa Cooke & Peck
United States, California, Humboldt, Table Bluff

Field Museum of Natural History
Catalog #: C0285852F
J.P. Tracy #10761 03 September 1932
Microsphaera diffusa Cooke & Peck
USA, California, Humboldt, Table Bluff; Table Bluff

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0087724
J.P. Tracy #10761 03 September 1932
Microsphaera ludens var. ludens (E.S. Salmon) S. Blumer
USA, California, Humboldt, Table Bluff

University of Georgia, Julian H. Miller Mycological Herbarium
Catalog #: GAM00008749
Joseph P. Tracy s.n. 03 September 1932
Microsphaera diffusa Cooke & Peck
USA, California, Humboldt, Table Bluff

University of Cincinnati, Margaret H. Fulford Herbarium
Catalog #: CINC-F-0000923
Tracy, J.P. #10761 03 September 1932
Microsphaera diffusa Cooke & Peck
United States, California, Humboldt, Table Bluff; Table Bluff

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0015375
Tracy, Joseph P. #10761 03 September 1932
Microsphaera diffusa Cooke & Peck
United States, California, Humboldt, Table Bluff