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

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-2793
Barth. s.n. 08 August 1908
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Boulder, Boulder;

University of Florida Herbarium
Catalog #: FLAS-F-01270
Bartholomew s.n. 08 August 1908
Sphaerotheca humuli (DC.) Burrill
United States, Colorado, Boulder, Boulder

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00081222
Bartholomew s.n. 08 August 1908
Sphaerotheca humuli fulignea
United States, Colorado, Denver;

Clemson University Herbarium
Catalog #: CLEMS-F0004249
Bartholomew #s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Boulder; Boulder; 40.014986 -105.270546

Brown University Herbarium
Catalog #: CBRU00002221
Bartholomew & Bethel s.n. 08 August 1908
Sphaerotheca humuli fuliginea
United States, Colorado, Boulder, Boulder;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0227722
Bartholomew & Bethel s.n. 08 August 1908
Sphaerotheca humuli fuliginea
United States, Colorado, Boulder;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020471
Bartholomew and Bethel s.n. 08 August 1908
Sphaerotheca humuli fuliginea
United States, Colorado, Boulder, Boulder;

USDA United States National Fungus Collections
Catalog #: BPI 604126
Bartholomew; Bethel s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Boulder

USDA United States National Fungus Collections
Catalog #: BPI 604597
Bartholomew; Bethel s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Boulder

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP11517
Bartholomew; Bethel s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (DC) Burr.; ((Schl.) Salm.)
United States, Colorado, Boulder, Boulder

USDA United States National Fungus Collections
Catalog #: BPI 964656
Bartholomew; Bethel #s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Boulder

University of Michigan Herbarium
Catalog #: 309414
E. Bartholomew #s. n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
USA, Colorado, Boulder, [no specific locality information included with specimen].

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0056404
E. Bartholomew #s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
United States, Colorado, Boulder;

Field Museum of Natural History
Catalog #: C0286272F
6a473f60-483c-4d61-8a2f-790ce4efc8da
E. Bartholomew & E. Bethel #s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Boulder, Boulder; Boulder

Field Museum of Natural History
Catalog #: C0286273F
d6fbcb07-4f25-4b8d-821b-2fa70cac2f7e
E. Bartholomew & E. Bethel #s.n. 08 August 1908
Sphaerotheca humuli var. fuliginea (Schltdl.) E.S. Salmon
U.S.A., Colorado, Boulder, Boulder; Boulder