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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)
Similar species -- >> Tetraedron limneticum;


Staurastrum brachiatum Ralfs, cell body ?? μm long, 40-45 μm wide, L/W=, isthmus ?? μm wide, x 640, No. 1, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum Staurastrum Staurastrum Staurastrum

Staurastrum brachiatum Ralfs, cell body 23 μm long, 30 μm wide, L/W=0.8, isthmus 7.5 μm wide, x 640, No. 1, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum Staurastrum Staurastrum Staurastrum Staurastrum

Images of collecting locality: No. 1, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii


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