A.B. Seymour and F.S. Earle [1-550, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 604216
Harper R. A. #3765 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake Forest

University of North Carolina at Chapel Hill Herbarium: Fungi
Catalog #: NCU-F-0018168
Harper, Robert Almer #s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake, Lake Forest, Ill. [Illinois]

University of Florida Herbarium
Catalog #: FLAS-F-01263
R. A. Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake, Lake Forest; Lake Forest

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0214530
R. A. Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake Forest;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081068
R. A. Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake Forest;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081076
R. A. Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake Forest;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081097
R. A. Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake Forest;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000249440
R. A. Harper #300b 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake, Lake Forest

Field Museum of Natural History
Catalog #: C0286197F
47b947a7-3ba7-4057-9309-d0d95481a291
R. A. Harper #s.n. 17 September 1892
Sphaerotheca castagnei Lév. Lév.
U.S.A., Illinois, Lake, Lake Forest; Lake Forest

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11418
R.A. Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Du Page, Lake Forest

Purdue University, Kriebel Herbarium
Catalog #: PUL00028506
RA Harper s.n. 17 September 1892
Sphaerotheca castagnei Lév.
United States, Illinois, Lake, Lake Forest;