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

University of Illinois Herbarium
Catalog #: ILL00085272
s.n.
Gloeosporium betulinum Westend.

University of Nebraska State Museum, C.E. Bessey Herbarium
Catalog #: NEB00053741
Prof. Passerini s.n.
Gloeosporium betulinum Westend.
Italy, Ober-Italien: bei Parma