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

USDA United States National Fungus Collections
Catalog #: BPI 557038
Bethel E. s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder

USDA United States National Fungus Collections
Catalog #: BPI 557049
Bethel E. s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder

USDA United States National Fungus Collections
Catalog #: BPI 557057
Bethel E. s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder

USDA United States National Fungus Collections
Catalog #: BPI 965198
Bethel E. #s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder

USDA United States National Fungus Collections
Catalog #: BPI 965398
Bethel E. #s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder

Brown University Herbarium
Catalog #: CBRU00001241
E Bethel s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder, Boulder;

Purdue University, Kriebel Herbarium
Catalog #: PUL00020799
E Bethel s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder, Boulder;

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-3337
E. Bethel s.n. 29 September 1910
Microsphaera alni (Wallr.) Salm.
United States, Colorado, Boulder, Boulder;

Charles Gardner Shaw Mycological Herbarium, Washington State University
Catalog #: WSP3916
E. Bethel s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder, Boulder

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0011830
E. Bethel s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, COlorado, Boulder;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0250074
E. Bethel s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder;

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0023975
E. Bethel #s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder

Field Museum of Natural History
Catalog #: C0285800F
3c43cc07-8f68-4d34-b907-865ed8fe260e
E. Bethel #s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter (DC.) G. Winter
U.S.A., Colorado, Boulder, Boulder; Boulder

Field Museum of Natural History
Catalog #: C0285801F
9e83536a-9d1a-4bda-84c6-a4b4ead500bc
E. Bethel #s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter (DC.) G. Winter
U.S.A., Colorado, Boulder, Boulder; Boulder

Clemson University Herbarium
Catalog #: CLEMS-F0004772
E. Bethel #s.n. 29 September 1910
Microsphaera alni (DC.) G. Winter
United States, Colorado, Boulder; Boulder; 40.014986 -105.270546