Ellis, N. Amer. Fungi
J.B. Ellis [1 - 1500, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 957871
s.n.
Peziza atrata

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062622
I. C. Martindale s.n.
Peziza atrata
United States, Pennsylvania, Philadelphia; Fairmount Park

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062623
I. C. Martindale s.n.
Peziza atrata
United States, Pennsylvania, Philadelphia; Fairmount Park

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253703
I. C. Martindale s.n.
Peziza atrata
United States, Pennsylvania, Philadelphia; Fairmont Park

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000213686
I. C. Martindale #443
Pyrenopeziza artemisiae (Lasch) Sacc.

University of Michigan Herbarium
Catalog #: 275456
I. C. Martindale #s. n.
Peziza atrata
USA, Pennsylvania, Philadelphia; Fairmount Park.

Academy of Natural Sciences of Drexel University
Catalog #: PH00300885
I. C. Martindale #s.n.
Peziza atrata Pers.
United States, Pennsylvania, Philadelphia, Fairmount Park, Philadelphia

Academy of Natural Sciences of Drexel University
Catalog #: PH00301529
I. C. Martindale #s.n.
Mollisia atrata (Pers.) P. Karst.
United States, Pennsylvania, Philadelphia, Fairmount Park, Philadelphia

University of Illinois Herbarium
Catalog #: ILL00097590
IC Martindale s.n.
Peziza atrata
United States, Pennsylvania, Philadelphia, Philadelphia; Philadelphia

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0087267
IC Martindale s.n.
Peziza atrata
United States, Pennsylvania, Philadelphia, Philadelphia

USDA United States National Fungus Collections
Catalog #: BPI 657913
Martindale I. C. s.n.
Mollisia atrata Bres.
United States, Pennsylvania, Fairmount Park, Philadelphia

USDA United States National Fungus Collections
Catalog #: BPI 658489
Martindale I. C. s.n.
Pyrenopeziza atrata (Pers.) Fuckel
United States, Pennsylvania, Fairmount Park, Philadelphia