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Chlorophyceae: Chlorococcales: Chlorococcaceae (Characiaceae)

 Characium pringsheimii
A. Braun

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: Cell body spindle-shaped, 20-35 μm long, 7-12 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).
Similar genus --> > Colacium; Characiopsis; Characiochloris; Hydiranum;

Characium pringsheimii A. Braun (or Characiopsis Xanthophyceae ?), cell body 36 μm long, 10 μm wide, x 640, Fukada Park, Sanda city, Hyogo Pref., Japan, November 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Characium Characium Characium Characium Characium

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