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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus denticulatus
Lagerheim var. denticulatus
= Desmodesmus denticulatus (Lagerheim) E. Hegewald

Scenedesmus denticulatus 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 [ var. denticulatus ]: Colonies of 4-8 cells arranged in a slightly zigzag pattern or straight; cells at both ends have 2-3 dented projections at both termini, inner cells have such projections at only one terminus; cell body 10-15 μm long, 5-10 μm diam. (Illustrations of The Japanese Fresh-water Algae, 1977).


Scenedesmus denticulatus Lagerheim, cell body 13.5 μm long, 9 μm wide, L/W=1.5, x 640, Yata-gawa (Yata river), Gunma-no-suigo-koen (park), Itakura town, Gunma Pref., Japan, March 3, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus denticulatus Scenedesmus denticulatus

Images of collecting locality: Yata-gawa (Yata river), Gunma-no-suigo-koen (park), Itakura town, Gunma Pref., Japan, March 3, 2008 by Y. Tsukii


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