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• n  genus of fungi commonly growing as green or blue molds on decaying food; used in making cheese and as a source of penicillin

• The penicillium mold, found in fertile soil, is cultivated in a sugary solution.
• Although press reports have focused on stachybotrys, strains of aspergillus, chaetomium and penicillium have also triggered their share of grief.
• Talk to anyone in the pharmaceutical industry, and you'll soon discover that genetics is the biggest thing to hit drug research since a penicillium mold floated into Alexander .

• Penicillium
• genus Penicillium