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Chlorophyceae: Chlorococcales: Scenedesmaceae

Scenedesmus armatus
var. longispina (Chodat) E. Hegewald
Indentified by Eberhard Hegewald (Research Centre Jülich, ICG III Phytosphere, Germany)

Scenedesmus longispina 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:
Similar genus -- S. quadricauda


Scenedesmus armatus var. longispina (Chodat) E. Hegewald, stock Tnk-2, axenic culture with Hyponex and KCM, cell body 11 μm long, 3-5 μm wide, x 400, x 640, Nishi-nasuno town, Tochigi Pref., Japan, March 2001, identified by E. Hegewald, photo 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 longicauda Scenedesmus longicauda Scenedesmus longicauda Scenedesmus longicauda


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