image_list image_listE

Chlorophyceae: Chlorococcales: Scenedesmaceae

 Scenedesmus longus
Meyen, Syn: S. brevispina (G. M. Smith) Codat

Scenedesmus longus 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 longus Meyen, cell body μm long, μm wide, L/W=, x 640, No. 2, a marsh pond near Chigo-ike marsh (or Yakebitai marsh) at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, July 20, 2008 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus longus Scenedesmus longus Scenedesmus longus

Images of collecting locality: Chigo-ike (marsh pond) at the top of Yakebitai mountain, Shiga highland (Oku-shiga highland), Yamanouchi town, Nagano Pref., Japan, July 20, 2008 by Y. Tsukii

Please click on images for viewing enlarged.
Copyright Protist Information Server