OHMI, Hikoei 1956 (Feb. 15) Contributions to the knowledge of Gracilariaceae from Japan. II. On a new species of the genus Gracilariopsis, with some considerations on its ecology Bull. Fac. Fish. Hokkaido Univ. 6(4): 271-279, incl. II pls., 4 figs [Gracilariopsis vermiculophylla] [E]