penicillium citrioviride penicillium citrioviride penicillium citrioviride is a fungus species of the genus of penicillium which produces neurotoxic citrioviridin. penicillium citrioviride scientific classification kingdom: fungi division: ascomycota class: eurotiomycetes order: eurotiales family: trichocomaceae genus: penicillium species: p. citrioviride binomial name penicillium citrioviridebiourge