Ascomyceten #2050
Rehm, Ascomyc.
H. Rehm [1-2175, plus extras]

USDA United States National Fungus Collections
Catalog #: BPI 558867
Dearness J. s.n. 00 August 1912
Microsphaera russellii Clinton
Canada, Ontario, London

Cornell University Plant Pathology Herbarium
Catalog #: CUP-F-1687
John Dearness #3560 00 August 1912
Microsphaera russellii Clinton
Canada, Ontario, Middlesex, London; Near London.