Cyanophyceae: Chroococcales: Chroococcaceae
Order & Family: Floating unicells or a colony embedded in a matrix; no differentiation of apical and base structures; only one family.
Genus: (Illustrations of The Japanese Fresh-water Algae, 1977).
, cell body
μm wide, x 400, x 640, Binnuma River, Ohmiya City, Saitama Pref., Japan, October 2000, by Y. Tsukii
150 μm; x 400 :
94 μm; x 640
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