Enlargement of the knowledge of section (Agaricales, Basidiomycota): introducing three new species from China.

is a globally distributed agaricoid genus that has been well studied in Europe and America with over 1,000 described species. However, as part of an ongoing effort to investigate the diversity of section in China, the resource investigation and classification research are still limited, and the species diversity has not been clarified by far. During the re-examination of the Chinese specimens, , , and , belonging to the sect.