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, 3-6 μm in diam. (Photomicrographs of the Freshwater Algae, vol. 2, 1984). |
50 μm
100 μm
150 μm; x 400
Merismopedia glauca (Ehrenberg) Nägeli var. glauca ?,
cell body 6 μm long, 3.5 μm wide,
x 640, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 by Y. Tsukii
50 μm
100 μm
150 μm; x 400
