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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus armatus
var. chodatii

Scenedesmus Genus: Colonies of 4 (or 2, 8, 16) cells attached side by side, arranged linearly or zigzag; cell body elliptical or spindle or crescent in shape; terminal cells with spiny projections in many species; cell wall usually smooth, but in some species granulated or dented or ridged (Illustrations of The Japanese Fresh-water Algae, 1977).
Species [ chodatii ]: Colonies of 2, 4, 8 cells, arranging linearly; cell body ovoid or elongated ellipsoidal, both ends rounded, 7-14 μm long, 3-5 μm wide; each cells with longitudinal ridges on both sides, but ridges unclear at the center; outer cells with short spines (2-4 μm long) projecting inward (Illustrations of The Japanese Fresh-water Algae, 1977).


Scenedesmus armatus var. chodatii ?, mature colonies, inner cells 13 μm long, 5 &3956;m wide, outer cells 10 μm long, 4 μm wide, spines 3 μm long, x 400, x 640, Chausu-dake (mountain), Nasu town, Tochigi Pref., 2000 collected by H. Shiomizu, photo by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus Scenedesmus Scenedesmus
Scenedesmus Scenedesmus Scenedesmus
Scenedesmus Scenedesmus


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