F.K.A.E.J. de Thümen [1-2300, plus extras]

University of Illinois Herbarium
Catalog #: ILL00077563
s.n.
Ascochyta tremulae Thüm.

USDA United States National Fungus Collections
Catalog #: BPI 1036011
s.n.
Ascochyta tremulae Thüm.

Chrysler Herbarium - Mycological Collection
Catalog #: CHRB-F-0007659
#1895
Fusisporium kuehnii Fuckel

USDA United States National Fungus Collections
Catalog #: BPI 372517
Thuemen s.n. 00 July 1871
Ascochyta tremulae Thüm.
Austria, Lower Austria, Krems

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00040059
ThÙmen #1895 00 July 1871
Ascochyta tremulae ThÙm.
Austria, Krems, Austria inferior