Rehm, Ascomyc.H. Rehm [1-2175, plus extras]
USDA United States National Fungus Collections
s.n.
Microsphaera extensa Cooke & Peck
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USDA United States National Fungus Collections
Demetrio s.n.
Microsphaera extensa Cooke & Peck
United States, Missouri, Perryville
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University of Michigan Herbarium
Demetrio #s. n.
Microsphaera extensa Cooke & Peck
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Cornell University Plant Pathology Herbarium
Demetrio #s.n.
Microsphaera extensa Cooke & Peck
United States, Perryville;
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