penicillium, ascomycetous fungi are of major importance in the natural environment.

allergy antibiotic are ascomycetous background bacteria biology bioremediation cells colony conidiospores corrosion culture disease drug drugs environment food fungal fungi fungus health healthcare hygiene hyphae importance infectious isolated laboratory macro major medicine microbes microbial microbiology mold mould mycelium mycology mycosis natural nature pencil penicillin penicillium plate production rotting science scientific spore spores test well white