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Gamophyceae: Zygnematales

Spirogyra ellipsospora
Transeau

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 125-500 μm long, 125-150 μm diam., 3-8 chloroplasts making 0.4-5 turns in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).


Spirogyra ellipsospora Transeau ?, vegetative cells 135 - 220 μm long, 130 μm diam., 4 or more chloroplast making turns in each cell, x 400, x 640, Saitama Pref., Japan, May-June 1999 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 Spirogyra
Spirogyra Spirogyra Spirogyra Spirogyra Spirogyra
Spirogyra sp., x 400, x 640, May-June 1999 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 Spirogyra Spirogyra
Spirogyra Spirogyra Spirogyra Spirogyra


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