F.K.A.E.J. de Thümen [1-750, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1033952
s.n.
Actinonema crataegi Pers.

University of Illinois Herbarium
Catalog #: ILL00085256
von Thumen s.n. 00 September 1876
Actinonema crataegi Pers.

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00042527
von ThŸmen s.n. 00 September 1876
Actinonema crataegi f. Sorbi torminalis
Austria, Niederösterreich, Tulln, Nieder-Oesterreich