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

USDA United States National Fungus Collections
Catalog #: BPI 946029
s.n.
Microsphaera ravenelii Berk.
United States

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP23173
O. A. Stevens s.n. 29 August 1914
Microsphaera ravenelii Berk.
United States, North Dakota, near Belfield

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00059865
O. A. Stevens s.n. 29 August 1914
Microsphaera ravenelli
United States, North Dakota, Near Belfield

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0024114
O. A. Stevens #s.n. 29 August 1914
Microsphaera alni (DC.) G. Winter
United States, North Dakota, Near Belfield

Brown University Herbarium
Catalog #: CBRU00001289
OA Stevens s.n. 29 August 1914
Microsphaeria ravenelii
United States, North Dakota, Stark, Belfield;

Purdue University, Kriebel Herbarium
Catalog #: PUL00023126
OA Stevens s.n. 29 August 1914
Microsphaeria ravenelii
United States, North Dakota, Stark, Belfield;