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

USDA United States National Fungus Collections
Catalog #: BPI 604121
Bartholomew E. s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Tolland

USDA United States National Fungus Collections
Catalog #: BPI 604543
Bartholomew E. s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Tolland

USDA United States National Fungus Collections
Catalog #: BPI 963876
Bartholomew E. #s.n. 15 August 1906
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Tolland

USDA United States National Fungus Collections
Catalog #: BPI 963976
Bartholomew E. #s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Tolland

Brown University Herbarium
Catalog #: CBRU00002239
E Bartholomew s.n. 15 August 1906
Sphaerotheca humuli fuliginea
United States, Colorado, Gilpin, Tolland;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020269
E Bartholomew s.n. 15 August 1906
Sphaerotheca humuli fuliginea
United States, Colorado, Gilpin, Tolland;

Clemson University Herbarium
Catalog #: CLEMS-F0003741
E. B. #s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Tolland; Tolland

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-2284
E. Bartholomew s.n. 15 August 1906
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Gilpin, Tolland;

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11540
E. Bartholomew s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (DC.) Burr.; ((Schl.) Salm.)
United States, Colorado, Gilpin, Tolland

University of Florida Herbarium
Catalog #: FLAS-F-01278
E. Bartholomew s.n. 15 August 1906
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Tolland

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081220
E. Bartholomew s.n. 15 August 1906
Sphaerotheca humuli fulignea
United States, Colorado, Tolland;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0227171
E. Bartholomew s.n. 15 August 1906
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Tolland;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056398
E. Bartholomew #1684 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Tolland;

University of Michigan Herbarium
Catalog #: 309413
E. Bartholomew #s. n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
USA, Colorado, Gilpin, Tolland.

Field Museum of Natural History
Catalog #: C0286278F
459ddb33-688c-42f9-994e-125fbb839436
E. Bartholomew #s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Gilpin, Tolland; Tolland

Field Museum of Natural History
Catalog #: C0286279F
cff5dbd0-10fe-48eb-a8db-b147918e37ee
E. Bartholomew #s.n. 15 August 1906
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Gilpin, Tolland; Tolland