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

USDA United States National Fungus Collections
Catalog #: BPI 796368
de Thumen s.n.
Plasmopara densa (Rabenh.) J. Schröt.
Czechoslovakia, Bohemia, Zinnwald

University of Illinois Herbarium
Catalog #: ILL00086055
de Thümen s.n.
Peronospora densa f. pedicularis sylvaticae Rabh.
Czech Republic, Bohemia, Zinnwald; Zinnwald