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Gamophyceae: Desmidales: Mesotaeniaceae
(Charophyceae: Zygnematales: Mesotaeniaceae)

 Spirotaenia condensata
Brébisson ex Ralfs 1848

Spirotaenia condensata Genus: Cell body cylindroid or spindle in shape; spiral ribbon-like chloroplasts or laminae of the chloroplast arranged spirally around central rod (Illustrations of The Japanese Fresh-water Algae, 1977).
Species : Vegetative cells large, cigar-shaped, 60-334 μm long, 10-30.4 μm diam., spiral band-form chloroplasts (Illustrations of The Japanese Fresh-water Algae, 1977).

Spirotaenia condensata Brébisson, cell body 134 μm long, 23.5 μm wide, L/W=5.7, x 200, x 400, x 640, No.6, Mizunashi-Yachi, Komado marsh (No.13), Showa village and Tajima town, Fukushima Pref., Japan, May 21, 2007, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Spirotaenia condensata Spirotaenia condensata Spirotaenia condensata Spirotaenia condensata
Cell body 165 μm long, 22 μm wide, L/W=7.5, x 400, x 640
Spirotaenia condensata Spirotaenia condensata Spirotaenia condensata

Images of collecting locality: No.6, Mizunashi-Yachi, Komado marsh (No.13), Showa village and Tajima town, Fukushima Pref., Japan, May 21, 2007, by Y. Tsukii

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