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

USDA United States National Fungus Collections
Catalog #: BPI 784688
de Thumen s.n.
Plasmopara pusilla (de Bary) J. Schröt.
Czechoslovakia, Bohemia, Teplitz

University of Illinois Herbarium
Catalog #: ILL00085948
de Thümen s.n.
Peronospora pusilla f. geranii pratensis De By.
Czech Republic, Bohemia, Teplitz; Teplitz