My·​co·​sphaerella | \ ˌmīkō+\

Definition of Mycosphaerella

: a genus (the type of the family Mycosphaerellaceae) of fungi of the order Sphaeriales having 2-celled ascospores borne in perithecia that are immersed in dead portions of the host — see currant leaf spot

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History and Etymology for Mycosphaerella

New Latin, from myc- + Sphaerella

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