Gamophyceae:
Desmidales: Mesotaeniaceae
(Charophyceae: Zygnematales: Mesotaeniaceae)
Tortitaenia obscura
(Ralfs) Brook
Synonym: Spirotaenia obscura Ralfs
Genus:
Species :
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Tortitaenia obscura (Ralfs) Brook,
cell body 112 μm long, 20 μm wide, L/W=5.6,
x 640, used waterfield near Karakemi marsh (Yasaka village), Matsuzaki, Omachi city, Nagano Pref., Japan, April 24, 2005 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Cell body 102 μm long, 19 μm wide, L/W=5.4, x 640
Cell body 122 μm long, 25 μm wide, L/W=4.9, x 640
Cell body 145 μm long, 23 μm wide, L/W=6.3, x 400, x 640
Cell body 108 μm long, 20 μm wide, L/W=5.4, x 400, x 640
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