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

USDA United States National Fungus Collections
Catalog #: BPI 1033280
s.n.
Microstroma quercinum (Opiz) Niessl

USDA United States National Fungus Collections
Catalog #: BPI 408031
Thuemen s.n. 00 September 1871
Microstroma album (Desm.) Sacc.
Austria, Lower Austria, Grafenegg

USDA United States National Fungus Collections
Catalog #: BPI 408034
Thuemen s.n. 00 September 1871
Microstroma album (Desm.) Sacc.
Austria, Lower Austria, Grafenegg