Mycosphaerella pomi

Mycosphaerella pomi is a fungus in the Mycosphaerellaceae family.
It was first described by Giovanni Passerini in 1878 as "Sphaerella pomi", and transferrred to the genus, "Mycosphaerella", in 1897 by Gustav Lindau. The species epithet, "pomi", is the genitive of Latin, "pomum" ("apple") and refers to the fact that this is a fungus found on apples.