Fungi Penicillium which cause food spoilage and are used for production of the antibiotic penicillin. 3D illustration showing spores conidia and conidiophore, mold, fungus, microbial, science, green, growth, scientific, microbiology, fungal, mycology, mycosis, mould, health, cheese, macro, eumycota, nature, naturemycology, chrysogenum, source, formation, notatum, first, fleming