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

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3282
Barth. s.n. 13 August 1910
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Jefferson, Aervada;

University of Florida Herbarium
Catalog #: FLAS-F-01300
Bartholomew s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Jefferson, Arvada

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081239
Bartholomew s.n. 13 August 1910
Sphaerotheca humuli fulignea
United States, Colorado, Arvada;

Clemson University Herbarium
Catalog #: CLEMS-F0004717
Bartholomew #s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Arvada; Arvada

Brown University Herbarium
Catalog #: CBRU00002219
Bartholomew & Bethel s.n. 13 August 1910
Sphaerotheca humuli fuliginea
United States, Colorado, Jefferson, Arvada;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250018
Bartholomew & Bethel s.n. 13 August 1910
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Arvada;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020764
Bartholomew and Bethel s.n. 03 August 1910
Sphaerotheca humuli fuliginea
United States, Colorado, Jefferson and Adams, Arvada;

USDA United States National Fungus Collections
Catalog #: BPI 604048
Bartholomew; Bethel s.n. 13 August 1910
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Arvada

USDA United States National Fungus Collections
Catalog #: BPI 604337
Bartholomew; Bethel s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Arvada

USDA United States National Fungus Collections
Catalog #: BPI 604338
Bartholomew; Bethel s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Arvada

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11515
Bartholomew; Bethel s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (DC.) Burr.; ((Schl.) Sal.)
United States, Colorado, Arvada

USDA United States National Fungus Collections
Catalog #: BPI 965144
Bartholomew; Bethel #s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Arvada

USDA United States National Fungus Collections
Catalog #: BPI 965343
Bartholomew; Bethel #s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Arvada

University of Michigan Herbarium
Catalog #: 309412
E. Bartholomew #s. n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
USA, Colorado, Adams, Arvada.

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056397
E. Bartholomew #s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Arvada;

Field Museum of Natural History
Catalog #: C0286274F
8d0e40ae-8522-4c7e-a8ba-7f032f856380
E. Bartholomew & E. Bethel #s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Jefferson, Arvada; Arvada

Field Museum of Natural History
Catalog #: C0286275F
08fdcb0f-c33d-4862-a465-5063c9f34684
E. Bartholomew & E. Bethel #s.n. 13 August 1910
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Jefferson, Arvada; Arvada