Old leaves of scab, Cladosporium carpophilum =Fusicladium carpophilum, on an almond leaf that have become covered with the fungal spores that appear dark and greasy or oily looking.
Old leaves of scab, Cladosporium carpophilum =Fusicladium carpophilum, on an almond leaf that have become covered with the fungal spores that appear dark and greasy or oily looking. Credit: Jack Kelly Clark
