On peach, the spots are usually on the upper side of the fruit which may crack following infection. Cladosporium produces spores mostly on the underside of leaves. Elongated brown, velvety lesions are usually formed along leaf veins. Infected leaves and nuts tend to drop prematurely. Cladosporium infection of cucumber fruits results in small, sunken, sometimes oozing spots similar to insect damage.
Conidiophores are tall, dark, and upright with branching near the apex.
Conidia are 1-2 celled, darkly pigmented, and often appear brown to dark green in mass. Branching also be seen in some conidia.