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

University of Illinois Herbarium
Catalog #: ILL00076613
de Thuemen s.n.
Sphaerella maculiformis (Pers.) Auersw.
Germany, Bavaria, Bayreuth; Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00060470
de Thumen s.n.
Mycosphaerella maculaeformis var. Carpini
Germany, Bavaria, Bayreuth;

Purdue University, Kriebel Herbarium
Catalog #: PUL00029720
de Thumen s.n.
Sphaerella maculaeformis (Pers.) Auersw.
Germany, Bavaria, Bayreuth;

USDA United States National Fungus Collections
Catalog #: BPI 608765
Thuemen s.n.
Mycosphaerella maculaeformis var. carpini
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 1035079
Thümen #s.n.
Sphaerella maculaeformis (Pers.) Auersw.
Germany, Bavaria, Bayreuth