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

University of Illinois Herbarium
Catalog #: ILL00085056
von Thumen s.n. 00 July 1875
Polyporus corticola Fr.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00066691
von Thumen s.n. 00 July 1875
Poria corticola (Fries) Cooke