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

USDA United States National Fungus Collections
Catalog #: BPI 603520
Thuemen s.n. 00 September 1871
Podosphaera oxyacanthae var. tridactyla (Wallr.) E.S. Salmon
Austria, Krems