Example of an imperfect fungus
Aspergillus niger is an imperfect fungus commonly found as a food contaminant. The spherical structure in this light micrograph is a conidiophore.
Source
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"OpenStax College, Classifications of Fungi. October 17, 2013."
http://cnx.org/content/m44625/latest/Figure_24_02_08.jpg
OpenStax CNX
CC BY 3.0.
