Penicillium fungus Coloured scanning electron micrograph SEM of a Penicillium sp fungus Specialised threads hyphae brown called conidiophores are seen Bunches of spores pink called conidia are the fungal reproductive units The antibiotic penicillin is obtained from certain types of Penicillium fungi Other types are used in the fermentation of cheeses Magnification x when printed centimetres wide