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

USDA United States National Fungus Collections
Catalog #: BPI 396081
MCLAUGHLIN; Ray s.n. 02 September 1943
Gloeosporium ulmeum Miles
United States, Oklahoma, Stillwater

USDA United States National Fungus Collections
Catalog #: BPI 396082
MCLAUGHLIN; Ray s.n. 02 September 1943
Gloeosporium ulmeum Miles
United States, Oklahoma, Stillwater

USDA United States National Fungus Collections
Catalog #: BPI 612029
Ray; MCLAUGHLIN s.n. 02 September 1943
Gnomonia ulmea (Fr.) Thüm.
United States, Oklahoma, Stillwater

University of California Berkeley, University Herbarium
Catalog #: UC670823
W. W. Ray #s.n. 01 September 1938
Uromyces graminicola Burrill
USA, Oklahoma, Osage