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Gamophyceae: Zygnematales: Zygnemataceae

Zygnema sp.
(Vaucher) Agardh

Zygnema Genus: Filament without branching; cell body cylindrical; two chloroplasts star-shaped; tubes formed (or cell body fused) at conjugation; zygospore spherical or broad ellipsoidal formed within female gametangium (Guide book to the "Photomicrographs of the Freshwater Algae", 1998).
Species:


Zygnema sp., Z. cruciatum (Vaucher) Agardh ?, cell body 45-55 μm long, 36 μm wide, L/W=, x 640, Water field near Ouchi middle school, Yuri-Honjo city, Akita Pref., Japan, September 28, 2008 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
Zygnema Zygnema Zygnema Zygnema Zygnema

Images of collecting locality: Water field near Ouchi middle school, Yuri-Honjo city, Akita Pref., Japan, September 28, 2008 by Y. Tsukii


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