Aspergillus niger microbewiki Kenyon College
Aspergillus niger. Description and significance. Aspergillus niger is a haploid filamentous fungi and is a very essential microorganism in the field of biology. In addition to producing extracellular enzymes and citric acid A. niger is used for waste management and biotransformations. The fungi is most commonly found in mesophilic environments such as decaying vegetation or soil and plants.