Ascomycota
Ascomycetes are extremely useful to humans as the have multiple uses in different fields such as fermentation with bread, alcohol and cheese and producing compounds which can be used in antibiotics and other medicine. An example is the genus Pennicillium. Some species of the genus can produce penicillin which can stop the growth or kill certain bacteria when it is used in antibiotics. But also, there are other species of Penicillium are import in producing certain types of cheese. However, this phylum can also be very harmful to not only humans but also plants and other animals. Members are known to cause skin infections in humans, Dutch elm disease in trees and rice blast in oryza.