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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus incrassatulus
Bohlin

Scenedesmus incrassatulus 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: Cell body spindle-shaped, 10-28 μm long, 2.5-8 μm wide; 4-8 cells attached side by side (1 or 2 rows); without spiny projections; outer cells slightly curved inward, inner cells straight (Illustrations of The Japanese Fresh-water Algae, 1977).


Scenedesmus (S. incrassatulus Bohlin ??), a clone (Sak-6b) cultured with Hyponex & KCM medium, cell body broad spindle-shaped, 14 μm long, 8 μm wide, x 400, x 640, Kurome River, Asaka City, Saitama Pref., Japan, October 2000, 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, stock Sak-6b, axenic culture with KCM and Hyponex (December 18, 2001 to February 1, 2002), cell body μm long, μm wide, x 640, Kurome river, Asaka, Saitama Pref., Japan, 2000 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus Scenedesmus Scenedesmus Scenedesmus Scenedesmus


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