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

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP23172
O. A. Stevens s.n. 01 November 1914
Microsphaera ravenelii Berk.
United States, North Dakota, Fargo

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00059867
O. A. Stevens s.n. 01 November 1914
Microsphaera ravenelli
United States, North Dakota, Fargo;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0024116
O. A. Stevens #s.n. 01 November 1914
Microsphaera alni (DC.) G. Winter
United States, North Dakota, Fargo;

Field Museum of Natural History
Catalog #: C0285938F
bc48c6c1-f4b9-4b38-8982-1a9a6cd5b1e6
O. A. Stevens #s.n. 01 November 1914
Microsphaera ravenelii Berk. Berk.
U.S.A., North Dakota, Cass, Fargo; Fargo

Brown University Herbarium
Catalog #: CBRU00001288
OA Stevens s.n. 01 November 1914
Microsphaeria ravenelii
United States, North Dakota, Cass, Fargo;

Purdue University, Kriebel Herbarium
Catalog #: PUL00023125
OA Stevens s.n. 01 November 1914
Microsphaeria ravenelii
United States, North Dakota, Cass, Fargo;

USDA United States National Fungus Collections
Catalog #: BPI 558772
Stevens O. A. s.n. 01 November 1914
Microsphaera ravenelii Berk.
United States, North Dakota, Fargo

USDA United States National Fungus Collections
Catalog #: BPI 558774
Stevens O. A. s.n. 01 November 1914
Microsphaera ravenelii Berk.
United States, North Dakota, Fargo

USDA United States National Fungus Collections
Catalog #: BPI 712993
Stevens O. A. s.n. 01 November 1914
Microsphaera ravenelii Berk.
United States, North Dakota, Fargo

USDA United States National Fungus Collections
Catalog #: BPI 946028
Stevens, O.A. #s. n. 01 November 1914
Microsphaera ravenelii Berk.
United States, North Dakota, Fargo