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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 52 μm long, 52 μm wide (including spines), isthmus 15 μm wide, spines about 3 μm long, x 640, Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 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 Staurastrum pilosum

Images of collecting locality: Oyomi marsh, Hakuba village, Nagano Pref., Japan, May 8, 2006 by Y. Tsukii


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