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

USDA United States National Fungus Collections
Catalog #: BPI 403019
Dearness J. s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph

USDA United States National Fungus Collections
Catalog #: BPI 403048
Dearness J. s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph

USDA United States National Fungus Collections
Catalog #: BPI 966287
Dearness J. #s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph

Brown University Herbarium
Catalog #: CBRU00001142
J Dearness s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph;

Purdue University, Kriebel Herbarium
Catalog #: PUL00021194
J Dearness s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-4126
J. Dearness s.n.
Marssonina castagnei (Desm. & Mont.) Magnus

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP3481
J. Dearness s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00058211
J. Dearness s.n. 30 July 1913
Marssonia castagnei (Desm. & Mont.) Sacc.
Canada, Ontario, Guelph; Guelph

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0010776
J. Dearness s.n. 30 July 1913
Marsonia castagnei
Canada, Ontario, Guelph;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250858
J. Dearness s.n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph;

University of Michigan Herbarium
Catalog #: 325510
J. Dearness #s. n. 30 July 1913
Marssonina castagnei (Desm. & Mont.) Magnus
Canada, Ontario, Guelph.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0022159
J. Dearness #s.n. 30 July 1913
Marssonina populi (Lib.) Magnus
Canada, Ontario, Guelph