Mold
fungus
peach mold
Observe time-lapse photography of Penicillium mold releasing penicillin to its surroundingsSee all videos for this article
mold, also spelled mould, in biology, a conspicuous mass of mycelium (masses of vegetative filaments, or hyphae) and fruiting structures produced by various fungi (kingdom Fungi). Fungi of the genera Aspergillus, Penicillium, and Rhizopus form mold and are associated with food spoilage and plant diseases.
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