Thümen, Fungi Austr. Exs.
F.K.A.E.J. de Thümen [1-1200]

University of Illinois Herbarium
Catalog #: ILL00085569
de Thümen s.n.
Ramularia violae Fuckel
Austria, Krems an der Donau

Rutgers University, Chrysler Herbarium - Mycology Collection
Catalog #: CHRB-F-0007555
Hedwigia s.n.
Fusisporium succisae J. Schröt.

USDA United States National Fungus Collections
Catalog #: BPI 417615
Thuemen s.n.
Ramularia lactea (Desm.) Sacc.
Austria, Lower Austria, Krems