F.K.A.E.J. de Thümen [1-750, plus extras]

University of Illinois Herbarium
Catalog #: ILL00085120
s.n.
Polyporus callosus Fr.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00065962
Dr. Sauter s.n.
Polyporus callosus Fr.
Austria, Salzburg, Salzburg, Salzburg