aspergillus fresenii aspergillus fresenii aspergillus fresenii is a species of fungus in the genus aspergillus. aspergillus fresenii produces ochratoxin a, ochratoxin b, ochratoxin c, aspochracins, mellamides, orthosporins, radarins, secopenitrems, sulphinines, xanthomegnins. aspergillus fresenii scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: aspergillus species: a. fresenii binomial name aspergillus freseniisubramanian 1971 type strain atcc 16893, cbs 550.65, imi 211397, lcp 89.2593 synonyms sterigmatocystis sulphurea