Penicillium | Penicillium roqueforti | Penicillium chrysogenum | Penicillium marneffei | Penicillium candidum |
CPA was originally isolated from Penicillium cyclopium and subsequently from other P. cyclopium, Penicillium griseofulvum, Penicillium camembertii, Aspergillus flavus and Aspergillus versicolor.