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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 61 μm long, 26 μm wide, x 100, x 200, x 400, x 640, Minuma-no-numa in Omiya daisan Park, Saitama city, Saitama Pref., Japan, April 3, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Zygnema Zygnema 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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