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

USDA United States National Fungus Collections
Catalog #: BPI 1033721
s.n.
Peronospora gangliformis (Berkeley) de Bary

USDA United States National Fungus Collections
Catalog #: BPI 786135
de Thumen s.n.
Bremia lactucae Regel
Czechoslovakia, Bohemia, Tetschen

University of Illinois Herbarium
Catalog #: ILL00086149
de Thümen s.n.
Peronospora gangliformis f. senecionis vulgaris
Czech Republic, Bohemia, Tetschen; Tetschen