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

USDA United States National Fungus Collections
Catalog #: BPI 1033372
s.n.
Peronospora myosotidis de Bary

USDA United States National Fungus Collections
Catalog #: BPI 789562
de Thumen s.n.
Peronospora myosotidis f. sp. sparsiflora
Czechoslovakia, Bohemia, Teplitz