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

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00046030
Prof. R. A. Harper s.n. 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Port Byron;

University of Florida Herbarium
Catalog #: FLAS-F-14117
Prof. R. A. Harper #N.A.F. 594 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Port Byron;

Academy of Natural Sciences of Drexel University
Catalog #: PH00310807
R. A. Harper #391 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Rock Island, Port Byron

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000281814
R. A. Harper #391 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Rock Island, Port Byron

Clemson University Herbarium
Catalog #: CLEMS-F0001937
R. A. Harper #594 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Rock Island, Port Byron; Port Byron; 41.606422 -90.335406

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0007450
R. A. Harper #s.n. 00 June 1893
Cercospora polygonorum Cooke
United States, Illinois, Port Byron;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0219399
R.A. Harper s.n. 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Port Byron;

Brown University Herbarium
Catalog #: CBRU00000173
RA Harper s.n. 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Rock Island, Port Byron; Port Byron

Purdue University, Kriebel Herbarium
Catalog #: PUL00019019
RA Harper s.n. 00 June 1893
Cercospora hydropiperis (Thüm.) Speg.
United States, Illinois, Rock Island, Port Byron;