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

USDA United States National Fungus Collections
Catalog #: BPI 958605
s.n.
Hypoxylon holwayi Ellis

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00056294
E. W. Holway s.n. 00 July 1882
Hypoxylon holwayii Ellis
United States, Iowa, Decorah; Decorah

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00056295
E. W. Holway s.n. 00 July 1882
Hypoxylon holwayii Ellis
United States, Iowa, Decorah; Decorah

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0254446
E. W. Holway s.n. 00 July 1882
Hypoxylon holwayii Ellis
United States, Iowa, Decorah;

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000227481
E. W. Holway #1182 00 June 1882
Hypoxylon holwayii Ellis
United States, Iowa, Winneshiek, Decorah

University of Illinois Herbarium
Catalog #: ILL00098409
EW Holway s.n. 00 July 1882
Hypoxylon holwayii Ellis
United States, Iowa, Winneshiek, Decorah; Decorah

USDA United States National Fungus Collections
Catalog #: BPI 590176
Holway E. W. s.n. 00 July 1882
Hypoxylon mammatum (Wahlenb.) P. Karst.
United States, Iowa, Decorah