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Gamophyceae: Zygnematales: Desmidiaceae

 Staurastrum leptocladum
Nordstedt

Staurastrum 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: with arm-like projections (Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 36-39 μm long, 98-107 μm wide (including arms), isthmus 8-8.7 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977)

Staurastrum leptocladum, with two long arms, cell body 43 μm long, 15 μm wide (excluding arms), 98 μm wide (including arms), arms 44 μm long, spines 3 μm long, x 400, x 640, Vermont-Maine USA, August 7-13, 1999, 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
Staurastrum Staurastrum Staurastrum Staurastrum

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