H.W. Ravenel and M.C. Cooke [1-800, plu extras]

Cornell University Plant Pathology Herbarium
Catalog #: Rav.,F.Amer.0628
s.n.
Microsphaera diffusa Cooke & Peck
United States, South Carolina, Aiken, Aiken;

USDA United States National Fungus Collections
Catalog #: BPI 1003089
s.n.
Microsphaera diffusa Cooke & Peck
United States

USDA United States National Fungus Collections
Catalog #: BPI 1003994
s.n.
Microsphaera diffusa Cooke & Peck
United States

USDA United States National Fungus Collections
Catalog #: BPI 1003995
s.n.
Microsphaera diffusa Cooke & Peck
United States

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00059720
H. W. Ravenel s.n.
Microsphaera diffusa Cooke & Peck
United States, South Carolina, Aiken, Aiken;

Academy of Natural Sciences of Drexel University
Catalog #: PH00302676
H. W. Ravenel #s.n.
Microsphaera diffusa Cooke & Peck
United States, South Carolina, Aiken, Aiken

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0087687
H.W. Ravenel #s.n.
Microsphaera diffusa Cooke & Peck
USA, South Carolina, Aiken;

USDA United States National Fungus Collections
Catalog #: BPI 557886
Ravenel H. W. s.n.
Microsphaera diffusa Cooke & Peck
United States, South Carolina, Aiken