As M. ontarioensis n. sp. . . . Annot by A. Aptroot (2001): "New synonym of Mycosphaerella subradians."
type
R. E. Stone
s.n.
1912-10-00
Oct 1912
Canada, Ontario, Wellington Co., Guelph,
43.55 -80.25 +-8954m.
packeted
Protologue states the "cotype material deposited in Herbarium of New York Botanical Garden." That would be NYBG #s 01102896 and 01102987, collections of different dates in Nov. 1912.