noun
: a destructive disease of the larch and to a lesser extent of fir and pine caused by an ascomycetous fungus ( Dasyscypha willkommii ) that produces flattened depressed cankers on the twigs and branches
noun
: a destructive disease of the larch and to a lesser extent of fir and pine caused by an ascomycetous fungus ( Dasyscypha willkommii ) that produces flattened depressed cankers on the twigs and branches
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012