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

Cornell University, Plant Pathology Herbarium
Catalog #: F.Columbiani-4120
B. B. Higgins s.n.
Erysiphe R. Hedw. ex DC.

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP2253
B. B. Higgins s.n. 30 August 1912
Erysiphe cichoracearum DC.
United States, New York, Tompkins, Ithaca

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052008
B. B. Higgins s.n. 30 August 1912
Erysiphe cichoracearum DC.
United States, New York, Ithaca;

University of Florida Herbarium
Catalog #: FLAS-F-01375
B.B. Higgins s.n. 30 August 1912
Erysiphe cichoracearum DC.
USA, New York, Ithaca

Michigan State University Herbarium
Catalog #: MSC0250852
B.B. Higgins s.n. 30 August 1912
Erysiphe cichoracearum DC.
United States, New York, Ithaca;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0015031
B.B. Higgins #s.n. 30 August 1912
Erysiphe cichoracearum DC.
United States, New York, Ithaca

Field Museum of Natural History
Catalog #: C0285170F
B.B. Higgins #s.n. 30 August 1912
Erysiphe cichoracearum DC.
USA, New York, Tompkins, Ithaca;

Brown University Herbarium
Catalog #: CBRU00000709
BB Higgins s.n. 30 August 1912
Erysiphe chicoracearum
United States, New York, Tompkins, Ithaca;

Purdue University, Kriebel Herbarium
Catalog #: PUL00021189
BB Higgins s.n. 30 August 1912
Erysiphe cichoracearum DC.
United States, New York, Tompkins, Ithaca;