blue mold fungus is a noun meaning "fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves". It carries one recorded sense.
fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves
Definitions, synonyms and semantic relations for blue mold fungus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.