Anthracnose: Caused by Colletotrichum coccodes, C. fioriniae, and the C. dematium complex, this disease has been reported on cannabis in various regions across the United States. It produces sunken, circular, or irregularly shaped leaf lesions with gray centers and brown to black borders, often resembling symptoms of other common leaf spot diseases. Colletotrichum species have a broad host range, infecting various crops and weeds, with the specific host range varying by species.
