Species in the genera Mycosphaerella and Sphaerella which have been describ
ed from palms are reviewed in this paper. Mycosphaerella cocoes comb. nov.
and Mycosphaerella serrulata are retained and illustrated. Mycosphaerella c
hamaeropis, Mycosphaerella palmae and Mycosphaerella palmicola are also acc
epted and discussed. Several other species are either synonymous with these
species or with Mycosphaerella tassiana. The remaining species are doubtfu
l or have been disposed in other genera.