Department of Botany and Plant Pathology, Oklahoma Agriculture and Mech. College

Field Museum of Natural History
Catalog #: C0285582F
f92a63b7-c372-4a84-8bb8-e711ba0ab56f
H. Wagner #s.n.
Erysiphe guttata f. coryli Fr. Fr.
Germany, North Rhine-Westphalia, Ostwestfalen-Lippe, Bielefeld; Bielefeld

USDA United States National Fungus Collections
Catalog #: BPI 403522
MCLAUGHLIN J. H. s.n. 25 August 1942
Marssonina juglandis (Lib.) Magnus
United States, Oklahoma, Stillwater MCLAUGHLIN'S yard

USDA United States National Fungus Collections
Catalog #: BPI 403554
MCLAUGHLIN J. H. s.n. 25 August 1942
Marssonina juglandis (Lib.) Magnus
United States, Oklahoma, Stillwater MCLAUGHLIN'S yard

USDA United States National Fungus Collections
Catalog #: BPI 403583
MCLAUGHLIN J. H. s.n. 25 August 1942
Marssonina juglandis (Lib.) Magnus
United States, Oklahoma, Stillwater MCLAUGHLIN'S yard

Cornell University Plant Pathology Herbarium
Catalog #: C.H.OK-0010
McLaughlin, J. Harvey s.n. 25 August 1942
Marssonia juglandis (Lib.) Sacc.
USA, Oklahoma, Payne, Stillwater, McLaughlin's yard