J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

Michigan State University Herbarium
Catalog #: MSC0221248
C. L. S. s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mts.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052511
C. L. Shear s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mts.

University of California Berkeley, University Herbarium
Catalog #: UC152440
C. L. Shear s.n. 29 June 1899
Microsphaera trifolii var. intermedia U. Braun
USA, Washington

Cornell University, Plant Pathology Herbarium
Catalog #: F.Columbiani-1440
C.L. Shear s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mts.

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2454
C.L. Shear s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Columbia, Blue Mountains

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0084493
C.L. Shear #1440 29 June 1899
Erysiphe pisi DC.
USA, Washington, Clallam, Blue Mts.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015857
C.L. Shear #s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mts.

Field Museum of Natural History
Catalog #: C0285486F
C.L. Shear #s.n. 29 June 1899
Erysiphe polygoni DC.
USA, Washington, Walla Walla, Blue Mts.; Blue Mts.

Brown University Herbarium
Catalog #: CBRU00000741
CL Shear s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington [Oregon], Union, Blue Mts; Blue Mountains

Purdue University, Kriebel Herbarium
Catalog #: PUL00019665
CL Shear s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mountains