Rabenhorst, Fungi Eur. Exs.
G.L. Rabenhorst [1-2600]

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0090352
Cesati #s.n.
Polyporus screbinaceus

USDA United States National Fungus Collections
Catalog #: BPI 996888
Cesati #s.n.
Polyporus scabinaceus
Italy, Vercelli, Novara, and Bugella