− | *Honshu (westward from Miyagi and Ishikawa Prefectures), Shikoku, Kyushu. | + | *Honshu (westward from Miyagi and Ishikawa Prefectures), Shikoku, Kyushu. Widely distributed in the Korean Peninsula (including Jeju Island), China, Taiwan, Indochina and the Himalayas. |