Ascomyceten #1599
Rehm, Ascomyc.
H. Rehm [1-2175, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 1005362
s.n.
Microsphaera extensa Cooke & Peck

USDA United States National Fungus Collections
Catalog #: BPI 558238
Demetrio s.n.
Microsphaera extensa Cooke & Peck
United States, Missouri, Perryville

University of Michigan Herbarium
Catalog #: 308781
Demetrio #s. n.
Microsphaera extensa Cooke & Peck

Cornell University Plant Pathology Herbarium
Catalog #: CUP-F-1677
Demetrio #s.n.
Microsphaera extensa Cooke & Peck
United States, Perryville;