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Gamophyceae: Zygnematales: Zygnemataceae

 Spirogyra arta
Jao

Spirogyra Genus:
Species: Vegetative cells 165-225 μm long, 15-17 μm diam., 1 chloroplast making 4-7 turns in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).

Spirogyra arta ?, septum folded, cell body 222 μm long, 20 μm wide, a single band-form chloroplast making about 7 turns in each cell, septum folded, x 200, x 400, x 640, Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Spirogyra Spirogyra Spirogyra Spirogyra Spirogyra Spirogyra

Images of collecting locality: Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii

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