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

University of Illinois Herbarium
Catalog #: ILL00075765
de Thuemen s.n.
Microsphaeria Hedwigii
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 557019
Thuemen s.n.
Microsphaera alni (DC.) G. Winter
Germany, Bavaria, Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 712992
Thuemen s.n.
Microsphaera hedwigii (Lév.) Sacc.
Germany, Bavaria, Bayreuth

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00059805
Thumen s.n.
Microsphaera hedwigii Lév.
Germany, Bavaria: Bayreuth

USDA United States National Fungus Collections
Catalog #: BPI 1034250
Thumen #s.n.
Microsphaera hedwigii (Lév.) Sacc.
Germany, Bavaria, Bayreuth