Thirty-four records of Inocybe are new to Japanese mycoflora. All previously reported taxa of the genus Inocybe in Japan are treated in this work. Hongo and Kobayasi described several new Inocybe from Japan.

... Inocybe griseoscrabioso , 332 Inocybe hirsuta var . maxima , 332 Inocybe kauffmanii , 331 Inocybe lacera , 326 , 331 Inocybe lilacina , 331 Inocybe mixtilis , 332 Inocybe napipes , 328 , 331 Inocybe nigrescens , 331 Inocybe oblectabilis , ...