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

USDA United States National Fungus Collections
Catalog #: BPI 958603
s.n.
Hypoxylon atropurpureum Tode
United States

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00056211
E. W. Holway s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Decorah; Decorah

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00056212
E. W. Holway s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Decorah; Decorah

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0254444
E. W. Holway s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Decorah;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227479
E. W. Holway #1180 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Winneshiek, Decorah

Academy of Natural Sciences of Drexel University
Catalog #: PH00316530
E. W. Holway #s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Winneshiek, Decorah

Academy of Natural Sciences of Drexel University
Catalog #: PH00316560
E. W. Holway #s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Winneshiek, Decorah

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0009403
E.W. Holway s.n. 00 September 1882
Hypoxylon atropurpureum . .
United States, Iowa, Decorah;

University of Illinois Herbarium
Catalog #: ILL00098407
EW Holway s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Winneshiek, Decorah; Decorah

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0087932
EW Holway s.n. 00 September 1882
Hypoxylon atropurpureum (Fr.) Fr.
United States, Iowa, Winneshiek, Decorah