Brenckle, Fungi Dakot.
J.F. Brenckle [1-675, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 946044
s.n.
Sphaerotheca humuli (DC.) Burrill
United States

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00081207
O. A. Stevens s.n. 27 August 1914
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Wild Rice;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056076
O. A. Stevens #s.n. 27 August 1914
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Wild Rice;

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP23188
O.A. Stevens s.n. 27 August 1914
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Wild Rice

Brown University Herbarium
Catalog #: CBRU00002214
OA Stevens s.n. 27 August 1914
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Cass, Wild Rice;

Purdue University, Kriebel Herbarium
Catalog #: PUL00023133
OA Stevens s.n. 27 August 1914
Sphaerotheca humuli (DC.) Burrill
United States, North Dakota, Cass, Wild Rice

Cornell University, Plant Pathology Herbarium
Catalog #: F.Dakotenses-0296
Q. W. Stevens s.n.
Sphaerotheca humuli (DC.) Burrill