F.K.A.E.J. de Thümen [1-2300, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1034968
s.n.
Sphaerella maculiformis (Pers.) Auersw.

University of Illinois Herbarium
Catalog #: ILL00076499
de Thuemen s.n.
Sphaerella maculiformis (Pers.) Auersw.
Germany, Bavaria, Bayreuth; Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00060473
de Thumen s.n.
Mycosphaerella maculiformis (Pers.) J. Schröt.
Germany, Bavaria, Bayreuth;

Purdue University, Kriebel Herbarium
Catalog #: PUL00029636
de Thumen s.n.
Sphaerella maculiformis (Pers.) Auersw.
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 608807
Thuemen s.n.
Mycosphaerella maculiformis f. fraxini-excelsioris
Germany, Bavaria, Bayreuth