grata

Description: Takahashi, E. (1963): Studies on genera Mallomonas, Synura and other plankton in fresh-water with Electron microscope. IV. On two new species of Mallomonas found in ditches at Tsuruoka in North-East of Japan. Ibid., 4, 2: 169-187.

Latin diagnosis in: Asmund, B. & Takahashi, E. (1969): Studies on Chrysophyceae from some ponds and lakes in Alaska VIII. Mallomonas species examined with the electron microscope II. - Hydrobiologia 34: 305-321.

Autecology: unknown.

Distribution: scattered, cosmopolitan.