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Gamophyceae: Zygnematales: Zygnemataceae

Zygnema sp.

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., cell body 66-104 μm long, 33 μm wide, x 640, Kinu river near Kinu-gawa green park, Takanezawa town, Tochigi Pref., Japan, March 29, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Zygnema Zygnema Zygnema

Zygnema excompressum Transeau: vegetative cells 32-80 μm long, 23-26 μm diam., 2 chloroplasts in each cell


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