Subdivision Deuteromycota is a group of fungi that do not have a sexual reproductive cycle. This subdivision includes many species that are important in the fields of medicine, agriculture, and industry. Some synonyms for Subdivision Deuteromycota include fungi imperfecti, mitosporic fungi, and anamorphic fungi. Fungi imperfecti refers to the lack of sexual reproduction, mitosporic fungi refers to the type of spore produced by these fungi, and anamorphic fungi refers to the fact that these fungi do not have a defined sexual stage. Despite the lack of a sexual reproductive cycle, Subdivision Deuteromycota plays an important role in many ecosystems and industries.