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

University of Illinois Herbarium
Catalog #: ILL00075613
F. de Thuemen s.n.
Polysaccum tuberosum Fr.
Germany, Teplitz

USDA United States National Fungus Collections
Catalog #: BPI 1034101
s.n.
Polysaccum tuberosum P. Micheli ex Fr.

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00064683
de Thumen s.n.
Polysaccum tuberosum Fr.
Czech Republic, Bohemia: Teplitz