Etymology and distribution of 露草.

Tsuyukusa 【露草】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Tottori-ken Yazu-gun Chidzu-chou , Tottori-ken Tottori-shi . Tottori-ken Yazu-gun Chidzu-chou Nakahara is based. Tell him that he was engaged in agriculture in the same area. Estimated in the Edo period. In Tottori-ken Yazu-gun Chidzu-chou there is a transmission with the descendant of the fallen of Heike. Estimated arrival in the Kamakura period. 平 Taira reference.