What antibiotic is made from green mold?

The antibiotic made from green mold is penicillin, which was discovered by Alexander Fleming in 1928. It is derived from the Penicillium genus of mold, particularly Penicillium chrysogenum. Penicillin has been widely used to treat various bacterial infections and has played a crucial role in modern medicine. Its discovery marked the beginning of the antibiotic era.