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Gamophyceae: Zygnematales: Zygnemataceae

 Spirogyra ternata
Ripart

Spirogyra Genus: Filament without branching; cell body cylindrical; one or several chloroplasts band-shaped, spirally arranged within the cell, pyrenoids present; septum with or without folded structure (Guide book to the "Photomicrographs of the Freshwater Algae", 1998). About 300 species (Illustrations of The Japanese Fresh-water Algae, 1977).
Species: Vegetative cells (48-) 85-330 μm long, (55-) 60-85 μm diam., 3-4 chloroplasts making 1-3 turns in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).

Spirogyra ternata Ripart ??, cell body 90-110 μm long, 78 μm wide, 3 band-form chloroplasts making about 1.7 turns in each cell, x 100, x 200, x 400, x 640, agricultural drain, Shimo-nanbata, Fujimi city, Saitama Pref., Japan, May 3, 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

Images of collecting locality: Agricultural drain, Shimo-nanbata, Fujimi city, Saitama Pref., Japan, May 3, 2006 by Y. Tsukii

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