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Chlorophyceae: Chlorococcales: Chlorococcaceae (Characiaceae)

Characium sp.

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 or Oocystis ?, cell body μm long, μm wide, x 640, Gunma-no-suigo-koen (park), Itakura city, Gunma Pref., Japan, May 2003 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
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