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Xanthophyceae: Mischococcales: Characiopsidaceae

 Characiopsis acuta
(A. Braun in Kützing) Borzi (???)
(A. Braun) Borzi (Ettl 1978)
(A. Braun) Borzí 1895 (John et al. eds. 2002)

Characiopsis Genus: Unicellular, attached on a substrate at one end of the cell; cell body slightly curved, ovoidal or cylidrical in shape; 1 or two chloroplasts plate-like, without pyrenoids (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species: Cell body 15-28 μm long, 6-10 μm wide (Ettl, Xanthophyceae 1. Teil, Süßwasserflora von Mitteleuropa 3, 1978).
Similar genus -->> Characium; Chlorothecium;

Characiopsis acuta (A. Braun in Kützing) Borzi ?, cell body 18 μm long, 6 μm wide, L/W=3, stalk 17 μm long, x 640, Onnenai, Kushiro marsh, Kushiro city, Hokkaido, Japan, October 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Characiopsis Characiopsis
Cell body 22 μm long, 5 μm wide, L/W=4.4, stalk 10 μm long, x 640
Characiopsis Characiopsis
Cell body 31 μm long, 7 μm wide, L/W=4.4, stalk 12 μm long, x 640
Characiopsis
Cell body 22 μm long, 7 μm wide, L/W=3.1, stalk 10 μm long, x 640
Characiopsis Characiopsis

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