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

Cornell University, Plant Pathology Herbarium
Catalog #: S.E.,Econ.F.0187
S. M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Oktibbeha, Starkville;

Washington State University, Charles Gardner Shaw Mycological Herbarium
Catalog #: WSP3927
S. M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Starkville

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00059843
S. M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Starkville;

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00059851
S. M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Starkville;

University of Florida Herbarium
Catalog #: FLAS-F-01669
S. M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Oktibbeha

Michigan State University Herbarium
Catalog #: MSC0214383
S. M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Starkville;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000249125
S. M. Tracy #187 29 September 1891
Microsphaera alni (DC.) G. Winter
United States, Mississippi, Starkville

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0011941
S.M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Starkville;

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0011932
S.M. Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Starkville;

Field Museum of Natural History
Catalog #: C0285922F
39e3c9e4-e71c-4fa6-9949-3b63dae33fb3
S.M. Tracy #s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
USA, Mississippi, Oktibbeha, Starkville; Starkville

Field Museum of Natural History
Catalog #: C0285923F
5b7aba11-cd5e-4b77-85dd-f93a1d40e785
S.M. Tracy #s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
USA, Mississippi, Oktibbeha, Starkville; Starkville

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0087579
S.M. Tracy #s.n. 29 September 1891
Microsphaera abbreviata Peck
USA, Mississippi, Starkville;

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00157938
Samuel M. Tracy #s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Oktibbeha, Starkville

Purdue University, Kriebel Herbarium
Catalog #: PUL00027545
SM Tracy s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Oktibbeha, Starkville;

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0017851
Tracy, S. M. #s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Oktibbeha, Starkville, Miss. [Mississippi]

University of North Carolina at Chapel Hill Herbarium
Catalog #: NCU-F-0017967
Tracy, S. M. #s.n. 29 September 1891
Microsphaera quercina (Schwein.) Burrill
United States, Mississippi, Oktibbeha, Starkville, Miss. [Mississippi]