Aspergillus occultusAspergillus occultus is a species of fungus in the genus Aspergillus. It is from the Circumdati section. The species was first described in 2014. It has been reported to produce ochratoxin A and penicillic acid.Growth and morphologyA. occultus has been cultivated on both Czapek yeast extract agar plates and Malt Extract Agar Oxoid® plates. The growth morphology of the colonies can be seen in the pictures below.