Spirogyra sp., x 200, x 400, x 640, by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
* Spiryogyra ternata Ripart: 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).
* Spiryogyra jugalis (Dillwyn) Kützing: Vegetative cells 80-300 μm long, 75-103 μm diam., 3-4 chloroplasts making 1-2 turns in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).
* Spiryogyra turfosa Gay: Vegetative cells 68-350 μm long, 68-78 μm diam., 3-4 chloroplasts making 1.5-4 turns in each cell (Illustrations of The Japanese Fresh-water Algae, 1977).
Spiryogyra nitida (Dillwyn) Link: 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).