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 960099
s.n.
Mollisia atrata Bres.
United States

USDA United States National Fungus Collections
Catalog #: BPI 658484
Dearness J. s.n. 00 May 1890
Pyrenopeziza atrata (Pers.) Fuckel
Canada, Ontario, London

University of Illinois Herbarium
Catalog #: ILL00099879
J Dearness s.n. 00 May 1890
Mollisia atrata var. megalospora
Canada, Ontario, London; London

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0089473
J Dearness s.n. 00 May 1890
Mollisia atrata var. megalospora
Canada, Ontario, London

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00060018
J. Dearness s.n. 00 May 1890
Mollisia atrata var. megalospora
Canada, London;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00060019
J. Dearness s.n. 00 May 1890
Mollisia atrata var. megalospora
Canada, London;

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0257011
J. Dearness s.n. 00 May 1890
Mollisia atrata (Pers.) P. Karst.
Canada, London;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229682
J. Dearness #2625 00 May 1890
Mollisia atrata var. megalospora
Canada, Ontario, London

Academy of Natural Sciences of Drexel University
Catalog #: PH00301535
J. Dearness #s.n. 00 May 1890
Mollisia atrata (Pers.) P. Karst.
Canada, Ontario, London

Academy of Natural Sciences of Drexel University
Catalog #: PH00315135
J. Dearness #s.n. 00 May 1890
Mollisia atrata (Pers.) P. Karst.
Canada, Ontario, London