Penicillium verrucosum variety corymbiferum
A slow-growing fungus that produces a yellow-green colony with an orange-brown reverse, within ten days, when incubated at 25oC (77oF). It produces an orange-brown pigment that diffuses into the agar. It has worldwide distribution and has been isolated from air, soil, sand dunes, caves, estuarine sediments, plants, flour-based foodstuffs, and fruits. There have not been any reports of human infections.