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Gamophyceae: Desmidales: Desmidiaceae
(Charophyceae: Zygnematales: Desmidiaceae)

 Micrasterias denticulata
Brébisson ex Ralfs var. denticulata

Micrasterias denticulata Genus: Cell body flat, large, variable in shape, longer than wide; strong constriction at center; each semicell with several notches; cell wall with many short spines (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Micrasterias denticulata Brébisson ex Ralfs var. denticulata, stock Atoi-4, axenic culture with KCM & Hyponex (October 16 to November 27, 2004), cell body 190 μm long, 146 μm wide, L/W=1.3, x 640, Imou bog, Toyohashi city, Aichi Pref., Japan, September 11, 2004 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
Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata
Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata
Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata
Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata Micrasterias denticulata

* M. denticulata (Greville) Ralfs: Cell body 256-288 μm long, 192-258 μm wide, constriction 31-40 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

M. thomasiana Archer var. thomasiana: Cell body 206-256 μm long, 168-210 μm wide, constriction 21.5-28 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

M. thomasiana var. javanica Gutwinski: Cell body 196-215 μm long, 154-168 μm wide, constriction 22-26 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

M. thomasiana var. notata (Nordstedt) Grünblad: Cell body 185-288 μm long, 174-256 μm wide, constriction 22-31 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977).

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