Aspergillus niger is a fungus and one of the most common species of the genus Aspergillus. It causes a disease called black mold on certain fruits and vegetables such as grapes, onions, and peanuts, and is a common contaminant of food.
How to Kill Aspergillus Niger. Aspergillus niger is a common mold found all over the world, commonly in decaying organic matter or decaying food products. You can recognize Aspergillus niger as a common black mold in moist surfaces, and in.