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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 sp., cell body μm long, 15 μm diam., each with 6 ? beaded chloroplasts, x100, at Lake Shoji, Japan, 199? by N. Sugiyama
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Spirogyra


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