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

USDA United States National Fungus Collections
Catalog #: BPI 1034865
s.n.
Erysiphella aggregata Peck

University of Illinois Herbarium
Catalog #: ILL00076394
C. H. Peck s.n.
Erysiphella aggregata Peck
USA, New York, Albany; Albany

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00052626
C. H. Peck s.n.
Erysiphella aggregata Peck
United States, New York, Albany, Albany;

Purdue University, Kriebel Herbarium
Catalog #: PUL00029499
C. H. Peck s.n.
Erysiphella aggregata Peck
America, New York, Albany, Albany;

USDA United States National Fungus Collections
Catalog #: BPI 559122
Peck C. H. s.n.
Erysiphe aggregata (Peck) Farl.
United States, New York, Albany