F.K.A.E.J. de Thümen [1-2300, plus extras]

University of Illinois Herbarium
Catalog #: ILL00077529
s.n.
Hypoxylon fuscum (Pers.) Fr.

USDA United States National Fungus Collections
Catalog #: BPI 1035977
s.n.
Hypoxylon fuscum (Pers.) Fr.

Purdue University, Kriebel Herbarium
Catalog #: PUL00034258
de Thumen s.n.
Hypoxylon fuscum (Pers.) Fr.
Belgium, Malmedy;

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00056274
M. A. Libert s.n.
Hypoxylon fuscum (Pers.) Fr.
Belgium, Borussia rhenana: Malmedy