PENICILLIUM

genus of blue or green mold fungi (division Mycota) of the form-class Deuteromycetes (Fungi Imperfecti). Those species for which the sexual phase is known are placed in the Eurotiales.Found on foodstuffs, leather, and fabrics, they are of economic importance in the production of antibiotics (penicillin, q.v.), organic acids, and cheeses.