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

Michigan State University Herbarium
Catalog #: MSC0221246
C. L. S. s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Sheephorn Divide, Middle Park

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052510
C. L. Shear s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Grand, Middle Park; Sheephorn Divide

University of California Berkeley, University Herbarium
Catalog #: UC152442
C. L. Shear s.n. 01 September 1898
Erysiphe geraniacearum U. Braun & Simonyan
USA, Colorado, Eagle, Sheephorn Divide, Middle Park

Cornell University, Plant Pathology Herbarium
Catalog #: F.Columbiani-1438
C.L. Shear s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Grand, Sheephorn Divide, Middle Park

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2460
C.L. Shear s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Sheephorn Divide, Middle Park

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015706
C.L. Shear #s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Middle Park; Sheephorn Divide

Field Museum of Natural History
Catalog #: C0285446F
C.L. Shear #s.n. 01 September 1898
Erysiphe polygoni DC.
USA, Colorado, Grand, Middle Park; Middle Park, Sheephorn Divide

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056038
C.L. Shear #s.n. 01 September 1898
Sphaerotheca polemonii L. Junell
United States, Colorado, Sheephorn Divide, Middle Park

Brown University Herbarium
Catalog #: CBRU00000742
CL Shear s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Eagle, Middle Park; Sheephorn Divide

Purdue University, Kriebel Herbarium
Catalog #: PUL00019663
CL Shear s.n. 01 September 1898
Erysiphe polygoni DC.
United States, Colorado, Grand, Middle Park; Sheephorn Divide