Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum dispar
Brébisson
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)
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Staurastrum dispar Brébisson or S. alternans v. subalternans ?,
cell body ?? μm long, 35 μm wide, L/W=, isthmus 12 μm wide,
x 640, No.3, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 17, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.3, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 17, 2007 by Y. Tsukii
Staurastrum dispar or S. varians f. truncata ?,
cell body ?? μm long, 32 μm wide, L/W=, isthmus μm wide,
x 640, No.4, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 17, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.4, Tanohara marsh, Shiga highland, Yamanouchi town, Nagano Pref., Japan, June 17, 2007 by Y. Tsukii
Please click on images for viewing enlarged
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