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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum margaritaceum
(Ehrenberg) Meneghini var. margaritaceum

Staurastrum Subgenus: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species:

Staurastrum margaritaceum (Ehrenberg) Meneghini var. margaritaceum, cell body 30 μm long, 28 μm wide, L/W=1.1, isthmus 10 μm wide, x 640, No. 3-1, Midagahara (bog/marsh), Tate-yama (Moutain), Tateyama town, Toyama Pref., Japan, August 23, 2006, by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum margaritaceum Staurastrum margaritaceum Staurastrum margaritaceum Staurastrum margaritaceum

Images of collecting locality: No. 3-1, Midagahara (bog/marsh), Tate-yama (Moutain), Tateyama town, Toyama Pref., Japan, August 23, 2006, by Y. Tsukii

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