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

University of Illinois Herbarium
Catalog #: ILL00077725
s.n.
Uncinula macrospora Peck

USDA United States National Fungus Collections
Catalog #: BPI 1036169
s.n.
Uncinula macrospora Peck

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00083679
E. W. Holway s.n. 00 October 1879
Uncinula macrospora Peck
United States, Iowa, Decorah;

Purdue University, Kriebel Herbarium
Catalog #: PUL00034181
EW Holway s.n. 00 October 1879
Uncinula macrospora Peck
America, Iowa, Winneshiek, Decorah;

USDA United States National Fungus Collections
Catalog #: BPI 554093
Holway E. W. s.n. 00 October 1879
Uncinula macrospora Peck
United States, Iowa, Decorah