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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 47 μm long (including spines 2.5 μm long), 44 μm wide, L/W=1.1, isthmus 14 μm wide, x 640, Ikei-no-ike (pond), Nasu town, Tochigi Pref., Japan, September 3, 2006, collected by Eizaburo Tsukii, photo by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum Staurastrum Staurastrum Staurastrum Staurastrum Staurastrum

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