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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus costatus
Schmidle var. costatus
->> Enallax costatus (Schmidle) Pascher

Scenedesmus costatus 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:


Enallax costatus (Schmidle) Pascher, formerly Scenedesmus costatus Schmidle var. costatus, or S. alpinus Ergasev 1979 (=E. alpinus Pascher 1943 ?), cell body 17 μm long, 7 μm wide, L/W=, x 640, Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, May 8, 2006 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus Scenedesmus Scenedesmus Scenedesmus Scenedesmus

Images of collecting locality: Karakemi marsh, Yasaka, Omachi city (formerly Yasaka village), Nagano Pref., Japan, May 8, 2006 by Y. Tsukii


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