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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum brachiatum
Ralfs

Staurastrum brachiatum Subgenus: With arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 25-36 μm long, 25-36 μm wide (including spines), isthmus 8.4-9.7 μm wide; constriction medium, bay-opening large; (Illustrations of The Japanese Fresh-water Algae, 1977)

Staurastrum brachiatum Ralfs, cell body 35 μm long, 35 μm wide, L/W=, isthmus 10 μm wide, x 640, No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum brachiatum Staurastrum brachiatum Staurastrum brachiatum Staurastrum brachiatum

Staurastrum brachiatum Ralfs, cell body 30 μm long, 30 μm wide, L/W=, isthmus 8.5 μm wide, x 640, No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum brachiatum Staurastrum brachiatum Staurastrum brachiatum Staurastrum brachiatum

Images of collecting locality: No.5, Kashibaru marsh, Karatsu city, Saga Pref., Japan, November 22, 2006 by Y. Tsukii

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