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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, cell body 31 μm long, 34 μm wide, L/W=0.9, isthmus 10 μm wide, x 640, Hachiman-numa marsh, Hachimantai, Hachimantai city (formerly Ashiro town & Matsuo village), Iwate Pref., Japan, July 16, 2005 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Staurastrum dispar Staurastrum dispar


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