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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 164 μm long, 24 μm wide, L/W=6.8, x 640, Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Spirotaenia condensata Spirotaenia condensata Spirotaenia condensata

Images of collecting locality: Fujimitashiro, Oze-ga-hara (Oze marsh), Katashina village, Gunma Pref., Japan, October 6, 2007 by Y. Tsukii

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