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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus acuminatus
(Lagerheim) Chodat var. acuminatus
Syn.: S. dimorphus (Turpin) Kützing; S. falcatus Chodat

Scenedesmus acuminatus 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:


Scenedesmus acuminatus (Lagerheim) Chodat, cell body 15 μm long, 4 μm wide, L/W=3.8, x 640, a small pond near Yoshino park, Mitsukaido city, Ibaraki Pref., Japan, January 24, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus acuminatus Scenedesmus acuminatus

Images of collecting locality: a small pond near Yoshino park, Mitsukaido city, Ibaraki Pref., Japan, January 24, 2006 by Y. Tsukii


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