Penicillium

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Penicillium (class Hyphomycetes) A form genus of fungi which form a well developed, septate mycelium and branched or unbranched conidiophores bearing phialids. Conidia appear as greyish-green or bluish-green powdery masses on white mycelium. Most species are saprotrophic and cosmopolitan in distribution. Many strains produce important antibiotics, including penicillins; many species form toxins. Some species are used in the manufacture of certain types of cheese.

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