Aspergillus nidulans. Cleistothecium- container of sexual spores (called ascospores) from Aspergillus nidulans.

Aspergillus nidulans. Cleistothecium- container of sexual spores (called ascospores) from Aspergillus nidulans.
Images of cells produced by Aspergillus species as seen by scanning electron microscopy.