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Chlorophyceae: Chlorococcales: Scenedesmaceae

 Scenedesmus bernardii
G. M. Smith

Scenedesmus bernardii 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 bernardii (or S. javanensis ?), stock Tmz-1, axenic culture (September 3 to October 30, 2001), cell body 17 μm long, 4 μm wide, both ends tapered, x 640, Mizumoto Park, Katsushika-ku, Tokyo, Japan, July 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 Scenedesmus Scenedesmus
October 30 to November 28, 2001
Scenedesmus Scenedesmus Scenedesmus

Scenedesmus bernardii, stock Tmz-51, axenic culture with KCM and Hyponex (November 9, 2001 to December 13, 2001), cell body μm long, μm wide, x 640, Mizumoto Park, Katsushika-ku, Tokyo, July 2001 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus bernardii Scenedesmus bernardii Scenedesmus bernardii Scenedesmus bernardii

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