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Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum kouwetsii
Coesel

Staurastrum kouwetsii Subgenus: lacks arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 42-50 μm long, 42-50 μm wide,
St. kowetsii resembles St. brebissonii but differs by stouter and less closely inserted cell wall spines (Coesel & Meesters, Desmids of the Lowlands, KNNV Publishing, 2007).


Staurastrum kouwetsii Coesel, cell body 48 μm long, 40 μm wide, L/W=1.2, isthmus μm wide, x 640, a marsh pond near Meigetsuso (Refuge), North of Higashidaiten, Azuma mountains, Yonezawa city, Yamagata Pref., Japan, July 1, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum pilosum Staurastrum pilosum Staurastrum pilosum Staurastrum pilosum Staurastrum pilosum Staurastrum pilosum

Images of collecting locality: a marsh pond near Meigetsuso (Refuge), North of Higashidaiten, Azuma mountains, Yonezawa city, Yamagata Pref., Japan, July 1, 2007 by Y. Tsukii


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