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

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00052070
Prof. R. A. Harper s.n. 00 August 1893
Erysiphe cichoracearum DC.
United States, Illinois, Port Byron;

University of California Berkeley, University Herbarium
Catalog #: UC44660
R. A. Harper s.n. 00 August 1893
Erysiphe mayorii S. Blumer
USA, Illinois, Rock Island, Port Byron

Clemson University Herbarium
Catalog #: CLEMS-F0001857
R. A. Harper #424 00 August 1893
Erysiphe cichoracearum DC.
United States, Illinois, Port Byron; 41.606422 -90.335406

Academy of Natural Sciences of Drexel University
Catalog #: PH00315434
R. A. Harper #s.n. 00 August 1893
Erysiphe cichoracearum DC.
United States, Illinois, Rock Island, Port Byron

Michigan State University Herbarium
Catalog #: MSC0219318
R.A. Harper s.n. 00 August 1893
Eryiphe cichoracearum
United States, Illinois, Port Byron;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0014939
R.A. Harper #s.n. 00 August 1893
Erysiphe cichoracearum DC.
United States, Illinois, Port Byron;

Field Museum of Natural History
Catalog #: C0285126F
R.A. Harper #s.n. 00 August 1893
Erysiphe cichoracearum DC.
USA, Illinois, Rock Island, Port Byron;

Field Museum of Natural History
Catalog #: C0285150F
R.A. Harper #s.n. 00 August 1893
Erysiphe cichoracearum DC.
USA, Illinois, Rock Island, Port Byron;

Brown University Herbarium
Catalog #: CBRU00000673
RA Harper s.n. 00 August 1893
Erysiphe chicoracearum
United States, Illinois, Rock Island, Port Byron;

Purdue University, Kriebel Herbarium
Catalog #: PUL00018686
RA Harper s.n. 00 August 1893
Erysiphe cichoracearum DC.
United States, Illinois, Rock Island, Port Byron;