Migula, Krypt. Germ., Austr. Helv. Exs. [Pilze]
E.F.A.W. Migula [1-425]

Cornell University Plant Pathology Herbarium
Catalog #: Mig.,C.G,A.H-0154
s.n.
Irpex fuscoviolaceus (Ehrenb.) Fr.

University of Michigan Herbarium
Catalog #: 146926
F. Matouschek #s. n. 00 August 1904
Irpex fuscoviolaceus (Ehrenb.) Fr.
Austria, Neider-Oesterreich: Sonntagsberg b. Rosenau.

Michigan State University Herbarium non-lichenized fungi
Catalog #: MSC0253164
Fr. Matouschek s.n. 00 August 1904
Polyporus versicolor (L.) Fr.
Austria, Lower Austria (Niederoesterreich), Sonntagsberg; Rosenau

Academy of Natural Sciences of Drexel University
Catalog #: PH00321686
Fr. Matouschek #s.n. 00 August 1904
Irpex fuscoviolaceus (Ehrenb.) Fr.
Austria, Lower Austria (Niederoesterreich), Rosenau

USDA United States National Fungus Collections
Catalog #: BPI 224535
Matouschek Fr. s.n. 00 August 1904
Polyporus versicolor (L.) Fr.
Austria, Lower Austria, Sonntagsberg near Rosenau