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

USDA United States National Fungus Collections
Catalog #: BPI 605151
Dearness J. s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, London

USDA United States National Fungus Collections
Catalog #: BPI 605153
Dearness J. s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, London

USDA United States National Fungus Collections
Catalog #: BPI 963680
Dearness J. #s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, London

Brown University Herbarium
Catalog #: CBRU00002235
J Dearness s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, London;

Purdue University, Kriebel Herbarium
Catalog #: PUL00019893
J Dearness s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, London;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-2088
J. Dearness s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, London;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081170
J. Dearness s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, London;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0221460
J. Dearness s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, London;

Field Museum of Natural History
Catalog #: C0286295F
5df6cb2a-5677-4714-aed1-c17a6adc0db1
J. Dearness #s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill (DC.) Burrill
Canada, Ontario, Middlesex, London; London

Field Museum of Natural History
Catalog #: C0286296F
9cf27da9-7691-44fa-9c43-e7f64b756bf8
J. Dearness #s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill (DC.) Burrill
Canada, Ontario, Middlesex, London; London

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056000
J. Dearness #s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, London;

Clemson University Herbarium
Catalog #: CLEMS-F0003545
J. Dearness #s.n. 00 August 1904
Sphaerotheca humuli (DC.) Burrill
Canada, Ontario, Middlesex, London; London; 42.983333 -81.25