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Chlorophyceae: Chlorococcales: Chlorococcaceae (Characiaceae)

 Characium sp.

Characium Genus: Unicellular; cell body ellipsoidal or spindle-shaped, attached on a substrate at one end; a single chloroplast plate-like in shape, with a pyrenoid (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:
Similar genus --> > Colacium; Characiopsis; Characiochloris; Hydiranum;

Characium gelatinosa ?, cell body μm long, μm wide, a pyrenoid present, x 640, Showa-machi general park, Showa town, Saitama Pref., Japan, August 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Characium Characium Characium Characium

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