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Gamophyceae: Zygnematales: Desmidiaceae

Staurastrum dispar
Brébisson

Staurastrum dispar Species: Cell body small in size, 25.8-32.8 μm long, 25.8-33.6 μm wide, isthmus 7-11 μm wide; semicells elliptical diamond- or spindle-shaped in side view, upper side of lateral margins more convex than lower ones; apical view triangular with concaved margins, each corner truncated; cell wall covered with granules arranging circularly aroung the corners (Illustrations of The Japanese Fresh-water Algae, 1977)


Staurastrum dispar Brébisson (or Staurastrum alternans var. subalternans ?), cell body 30 μm long, 31 μm wide, L/W=1.0, isthmus 13 μm wide, x 640, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, September 26, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum dispar Staurastrum dispar Staurastrum dispar Staurastrum dispar Staurastrum dispar Staurastrum dispar


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