Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum muticum
Brébisson ex Ralfs 1848

Genus: Cell body short, radiate in shape; apical view of the cell, triangular, polygonal, ellipsoidal or spindle-shaped; zygospores formed outside of mother cells (Illustrations of The Japanese Fresh-water Algae, 1977)
Subgenus: lacks arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)

Species: Cell body 22-(26-34)-43.5 μm long, 21-(23.7-31)-37.5 μm wide; constriction 7.5-(8.4-9.8)-12 μm wide; cell wall smooth (Illustrations of the Fresh-water Algae, 1977).
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Staurastrum muticum
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