Thümen, Fungi Austr. Exs.
F.K.A.E.J. de Thümen [1-1200]

University of Illinois Herbarium
Catalog #: ILL00085664
de Thümen s.n.
Xylaria hypoxylon Grev.
Czech Republic, Bohemia, Teplitz

USDA United States National Fungus Collections
Catalog #: BPI 585176
Ipse s.n.
Xylaria hypoxylon (L.) Grev.
Czechoslovakia, Bohemia, Teplitz