Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 960163
s.n.
Didymium farinaceum M.A. Curtis
United States

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00050832
Dr. G. A. Rex s.n.
Didymium farinaceum M.A. Curtis
United States, New York, Shawangunk Mts.

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0005900
Dr. G. A. Rex s.n.
Didymium farinaceum Schrad.
United States, New York, Shawagunk Mountains

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0258368
Dr. G.A. Rex s.n.
Didymium farinaceum M.A. Curtis
United States, New York, Shawangunk Mountains

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229741
G. A. Rex #2689
Didymium farinaceum M. A. Curtis
United States, New York, Shawangunk Mts.

University of Michigan Herbarium
Catalog #: 333876
G. A. Rex #s. n.
Didymium farinaceum Schrad.
USA, New York, Ulster, Shawangunk Mountains.

Academy of Natural Sciences of Drexel University
Catalog #: PH00300215
G. A. Rex #s.n.
Physarum farinaceum (Schrad.) Pers.
United States, New York, Shawangunk Mts., New York

Academy of Natural Sciences of Drexel University
Catalog #: PH00314148
G. A. Rex #s.n.
Didymium melanospermum (Pers.) T. Macbr.
United States, New York, Shawangunk Mts.

University of Illinois Herbarium
Catalog #: ILL00099944
GA Rex s.n.
Didymium farinaceum M.A. Curtis
United States, New York, New York

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0089537
GA Rex s.n.
Didymium farinaceum M.A. Curtis
United States, New York, New York

Cornell University Plant Pathology Herbarium
Catalog #: CUP-M-0274
George A. Rex #520
Didymium melanosporum
United States, New York, Shawangunk Mountains.