aspergillus occultus aspergillus occultus aspergillus 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. aspergillus occultus scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: aspergillus species: a. occultus binomial name aspergillus occultusc.m. visagie, k.a. seifert, j.c. frisvad & r.a. samson (2014) type strain cmv-2014d, cbs 137330, cbs h-21794, dto 231-a7, ibt 32285 growth and morphology a. occultus has been cultivated on both czapek yeast extract agar (cya) plates and malt extract agar oxoid® (meaox) plates. the growth morphology of the colonies can be seen in the pictures below. aspergillus occultus growing on cya plate aspergillus occultus growing on meaox plate