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|Noun||1.||Sclerotiniaceae - a fungus family of order Helotiales|
fungus family - includes lichen families
Helotiales, order Helotiales - order of fungi having asci in a disk-shaped to goblet-shaped apothecium
genus Sclerotinia - large genus of ascomycetous fungi including various destructive plant pathogens
brown cup - a variety of sclerotinia