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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus abundans
var. brevicauda G. M. Smith

Scenedesmus abundans 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 small, ovoid in shape, 5-7 μm long, 2-3 μm wide; spiny projections short (1.5-3 μm long) (Illustrations of The Japanese Fresh-water Algae, 1977).


Scenedesmus abundans or S. microspina ?, cell body 9 μm long, 2.5 μm wide, spines 3 μm long, x 640, Kayoicho-ike (pond), Kasuya town, Fukuoka Pref., Japan, October 2001 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 armatus Scenedesmus armatus


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