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

University of Illinois Herbarium
Catalog #: ILL00077540
s.n.
Mastigosporium album Riess

USDA United States National Fungus Collections
Catalog #: BPI 421006
Libert Marie-anne s.n.
Mastigosporium album Riess
Belgium, Malmedy

USDA United States National Fungus Collections
Catalog #: BPI 1035988
Libert Marie-anne s.n.
Mastigosporium album Riess
Belgium, Malmedy

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00058395
M. A. Libert s.n.
Mastigosporium album Riess
Belgium, Borussia rhenana: Malmedy

Purdue University, Kriebel Herbarium
Catalog #: PUL00034272
MA Libert s.n.
Mastigosporium album Riess
Belgium, Malmedy;