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Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum iotanum
var. tortum Teiling

Staurastrum iotanum 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 [var. tortum]: Cell body with 2 arm-like projections, 11 μm long (excluding arms), 28 μm long (including arms), 28 μm wide (including arms), isthmus 4 μm wide (Illustrations of The Japanese Fresh-water Algae, 1977)


Staurastrum iotanum Wolle var. tortum Teiling ?, cell body 10 μm long (excluding arms), 28 μm long (including arms), 27 μm wide (including arms), x 640, Akigase Park, Saitama city, Saitama Pref., Japan, March 2002 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum iotanum Staurastrum iotanum


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