Colletotrichum trichellum (Fr.) Duke 1928
This fungus is widely distributed and causes an anthracnose disease of ivy (Hedera). It can also infect other plants. The leaf lesions are dark brown to black and typically round. Like in other Colletotrichum species, the acervuli are dark with black setae.
Publications covering Colletotrichum trichellum
Mycologia (2009) 101, 717-732
Jo Anne Crouch, Bruce B. Clarke, James F. White Jr. and Bradley I. Hillman (2009)
Systematic analysis of the falcate-spored graminicolous Colletotrichum and a description of six new species from warm-season grasses