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Chlorophyceae: Chlorococcales: Scenedesmaceae

 Scenedesmus verrucosus
Roll
Species name was changed from S. granulatus to S. verrucosus according to a comment from Dr. E. Hegewald
##S. verrucosus is recently transferred to Verrucodesmus verrucosus (Hegewald, E., Bock, C., & Krienitz, L., A phylogenetic study on Scenedesmaceae with the description of a new species of Pectinodesmus and the new genera Verrucodesmus and Chodatodesmus (Chlorophyta, Chlorophyceae), Fottea 13 (2): 149-164, 2013.

Scenedesmus granulatus 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 verrucosus Roll, cell body μm long, μm wide, L/W=, x 640, No.1, Ochiai-numa (pond), Noshiro city, Akita Pref., Japan, September 22, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Scenedesmus granulatus Scenedesmus granulatus Scenedesmus granulatus Scenedesmus granulatus Scenedesmus granulatus

Images of collecting locality: Ochiai-numa (pond), Noshiro city, Akita Pref., Japan, September 22, 2007 by Y. Tsukii

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