sentences:  "O. mangiferae" is found in all areas where mangoes have been raised long term, but is particularly widespread in India where both the host and the pathogen are native.Currently no teleomorph stage has been identified, but due to certain morphological characteristics it has been suggested that "O. mangiferae" belongs in the "Erysiphe" polygony group.Mango is the only known host for this pathogen, though "O. mangiferae" appears to be identical to fungi responsible for powdery mildew diseases on various other plant species, particularly oak, though some differences may be observed.