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Chlorophyceae: Chlorococcales: Dictyosphaeriaceae
(formerly Xanthophyceae: Mischococcales: Chlorobotrydaceae)

Botryococcus braunii ?
Kützing

Botryococcus Genus: Cells aggregate irregular in shape; cells connected by thin filaments; cell body ovoid, 6-10 μm long, 3-6 μm width; a chloroplast plate-like (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Botryococcus braunii Kützing, colony (right) 45 μm long, 30 μm wide, L/W=, x 640, 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
Botryococcus braunii Botryococcus braunii

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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