Subclass Homobasidiomycetes is a group of fungi that includes most of the well-known mushroom species. As the name suggests, they produce basidia, which are the cells responsible for spore formation. However, there are many synonyms for this subclass, including Agaricodendronidae, Agaricomycetidae, and Hymenomycetes. These synonyms help to distinguish this group of fungi from others that also produce basidia. Homobasidiomycetes are important decomposers in ecosystems, breaking down dead organic matter and returning nutrients to the soil. They are also valued for their culinary and medicinal properties and are studied for their potential uses in bioremediation and biofuel production.