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Gamophyceae: Zygnematales: Zygnemataceae

 Spirogyra sp.

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:

Spirogyra margaritata, cell body μm long, μm wide, x 100, x 200, x 400, x 640, Toneri Park, Adachi-ku, Tokyo, Japan, December 2001 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
x 100, x 200
Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata
x 400
Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata
x 640
Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata
x 100, x 200, x 400
Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata
x 640
Spirogyra margaritata Spirogyra margaritata Spirogyra margaritata

Spirogyra margaritata, cell body μm long, μm wide, x 100, x 200, x 400, x 640, Toneri Park, Adachi-ku, Tokyo, Japan, December 2001 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
x 100, x 200
Spirogyra Spirogyra Spirogyra
x 400, x 640
Spirogyra Spirogyra Spirogyra
x 100, x 200
Spirogyra Spirogyra Spirogyra

Spirogyra margaritata, cell body μm long, μm wide, x 100, x 200, x 400, x 640, Toneri Park, Adachi-ku, Tokyo, Japan, December 2001 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
x 100, x 200
Spirogyra Spirogyra Spirogyra Spirogyra
x 400
Spirogyra Spirogyra Spirogyra Spirogyra

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