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

University of Illinois Herbarium
Catalog #: ILL00077648
s.n.
Exosporium fraxini (Fr.) Niessl

USDA United States National Fungus Collections
Catalog #: BPI 1036094
s.n.
Exosporium fraxini (DC.) Niessl

USDA United States National Fungus Collections
Catalog #: BPI 454466
Libert Marie-anne s.n.
Exosporium fraxini (DC.) Niessl
Belgium, Malmedy

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052971
M. A. Libert s.n.
Exosporium fraxini (Fr.) Niessl

Purdue University, Kriebel Herbarium
Catalog #: PUL00034205
MA Libert s.n.
Exosporium fraxini (Fr.) Niessl
Belgium, Malmedy