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

USDA United States National Fungus Collections
Catalog #: BPI 409613
Thuemen s.n.
Oidium lacteum
Czechoslovakia, formerly Austria Bohemia, Teplice

University of Wisconsin-Madison Herbarium
Catalog #: WIS-F-0081670
unknown #s.n.
Oidium
Czech Republic, Bohemia, Bohemia sept.: Teplitz