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

 Micrasterias truncata
(Corda) Brébisson var. quadrata Bulnheim

Micrasterias truncata 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:

Micrasterias truncata (Corda) Brébisson var. truncata, cell body μm long, μm wide, L/W=, x 640, No.2, Shibayachi marsh, Odate city, Akita Pref., Japan, September 22, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Micrasterias truncata Micrasterias truncata Micrasterias truncata Micrasterias truncata Micrasterias truncata Micrasterias truncata

Images of collecting locality: No.2, Shibayachi marsh, Odate city, Akita Pref., Japan, September 22, 2007 by Y. Tsukii

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