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Gamophyceae: Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)

 Micrasterias ceylanica
Fritsch

Micrasterias ceylanica Genus: Cell body flat, large, variable in shape, longer than wide; strong constriction at center; each semicell with several notches; cell wall with many short spines (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Cell body 77 μm long, 73 μm wide, isthmus 13 μm wide, (Illustrations of The Japanese Fresh-water Algae, 1977).

Micrasterias ceylanica Fritsch, cell body 70 μm long, 70 μm wide, L/W=1.0, x 640, Yacho-no-mori marsh (near road sign No. 2), Sukawa highland, Kurikoma mountain, Higashi-naruse village, Akita Pref., Japan, July 24, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Micrasterias ceylanica Micrasterias ceylanica

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