noun
: a disease of willow caused by the fungus ( Sphaceloma murrayae ) and characterized by irregular somewhat raised leaf spots with grayish white centers and narrow dark brown margins often merging to form large patches
noun
: a disease of willow caused by the fungus ( Sphaceloma murrayae ) and characterized by irregular somewhat raised leaf spots with grayish white centers and narrow dark brown margins often merging to form large patches
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012