*Nakanishi, M. 1966. Taxonomical studies on the Family Graphidaceae of Japan. Sci. Hiroshima Univ., Ser. B, Div. 2, 11: 51-126. | *Nakanishi, M. 1966. Taxonomical studies on the Family Graphidaceae of Japan. Sci. Hiroshima Univ., Ser. B, Div. 2, 11: 51-126. |