Colletotrichum coccodes

Colonies usually darkly pigmented with white aerial mycelium, consisting of numerous black sclerotia and light brown coloured conidial masses, reverse is dark brown. Sclerotia are usually abundant, setose, spherical and are often confluent. Conidia are straight, fusiform, attenuated at the ends, 16-22 X 3-4 um. Appressoria are common, clavate, brown, 11-16.5 X6-9.5, variable in shape.  RG-1 organism.

Culture of Colletotrichum coccodes.

Sclerotia with setae of C. coccodes.

Conidia of C. coccodes.

Appressoria of C. coccodes.

Clinical significance:

Over 500 Colletotrichum species have been reported. C. coccodes is a common soil and plant pathogen widely distributed in Africa, Asia, Australasia, Europe, and the Americas. It has been reported from a case of human mycotic keratitis.

Mycosis: Mycotic Keratitis