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Gamophyceae: Zygnematales: Zygnemataceae

 Mougeotia scalaris
Hassall 1842
Mougeotia Genus: Filamentous algae without branching; a single plate-like chloroplast in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: vegetative cells 40-180 μm long, 20-34 μm diam., 4-10 pyrenoids (Illustrations of The Japanese Fresh-water Algae, 1977).
Mougeotia scalaris Hassall, cell body μm long, 24 μm wide, x 400, x 640, Kanayama chosei-chi (pond), Kiyose city, Tokyo, Japan, March 14, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Mougeotia scalaris Mougeotia scalaris Mougeotia scalaris
Mougeotia scalaris Mougeotia scalaris Mougeotia scalaris

Zygnema excompressum Transeau: vegetative cells 32-80 μm long, 23-26 μm diam., 2 chloroplasts in each cell

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