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

USDA United States National Fungus Collections
Catalog #: BPI 1033422
s.n.
Oidium lactis Fresen.

USDA United States National Fungus Collections
Catalog #: BPI 409614
Thuemen s.n.
Oidium lactis Fresen.
Czechoslovakia, formerly Austria Bohemia, Teplice