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

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081249
Barth. s.n. 14 August 1907
Sphaerotheca humuli fulignea
United States, Colorado, Eldora;

Clemson University Herbarium
Catalog #: CLEMS-F0004043
Barth. #s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Eldora; Eldora

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0227495
Barth. & Bethel s.n. 14 August 1907
Sphaerotheca humuli fuliginea
United States, Colorado, Eldora;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-2588
Bartholomew s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Boulder, Eldora;

Brown University Herbarium
Catalog #: CBRU00002258
Bartholomew & Bethel s.n. 14 August 1908
Sphaerotheca humuli fuliginea
United States, Colorado, Boulder, Eldora;

USDA United States National Fungus Collections
Catalog #: BPI 604281
Bartholomew E.; Bethel s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Eldora

USDA United States National Fungus Collections
Catalog #: BPI 964280
Bartholomew E.; Bethel #s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Eldora

USDA United States National Fungus Collections
Catalog #: BPI 603857
Bartholomew; Bethel s.n. 14 August 1907
Sphaerotheca fuliginea (Schltdl.) Pollacci
United States, Colorado, Eldora

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11520
Bartholomew; Bethel s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea DC. (Burr.); ((Schlect.) Salm.)
United States, Colorado, Eldora

University of Michigan Herbarium
Catalog #: 309383
E. Bartholomew #s. n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
USA, Colorado, Boulder, Eldora.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056400
E. Bartholomew #s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Eldora;

Field Museum of Natural History
Catalog #: C0286270F
df0e85d4-2bf4-4ba8-99f9-27c007216cd7
E. Bartholomew & E. Bethel #s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Boulder, Eldora; Eldora

Field Museum of Natural History
Catalog #: C0286271F
f972b1b7-b063-442a-bccc-3a767af5e7f8
E. Bartholomew & E. Bethel #s.n. 14 August 1907
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Boulder, Eldora; Eldora