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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).

Spirogyra sp., cell body 80-87 μm long, 42 μm wide, L/W=1.9-2.1, 2 band-form chloroplasts each making 2.5 turns in each cell, x 100, x 200, x 400, x 640, rice field, Shinano town, Nagano Pref., Japan, November 7, 2004 by Y. Tsukii
scale 100 μm scale 200 μm scale 300 μm; x 200 : scale 50 μm scale 100 μm scale 150 μm; x 400
Spirogyra Spirogyra Spirogyra Spirogyra
Spirogyra Spirogyra

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