Order & Family: Floating unicells or a colony embedded in a matrix;
no differentiation of apical and base structures; only one family.
Genus: Colonies consiting of orderly arranged cells; diameter of cells at transverse section is the same as its length (Illustrations of The Japanese Fresh-water Algae, 1977). Colonies plate-like, cells regularly arranged in a gelatinous matrix; cells spherical or ellipsoid, hemispherical after division (Photomicrographs of the Freshwater Algae, vol. 2, 1984). Species: Cell body pale blue-green, (3-) 4-5 μm in diam. (Photomicrographs of the Freshwater Algae, vol. 2, 1984). |
31 μm
63 μm
94 μm; x 640
Merismopedia convoluta Brébisson ?,
cell body 3.5-4.0 μm long, 3.5 μm wide,
x 640, a small pond No. 9, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Merismopedia convoluta Brébisson ?,
cell body 4-5 μm long, 3.5 μm wide,
x 640, a small pond No. 10, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No. 5, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
