Gamophyceae: Zygnematales: Desmidiaceae
Staurastrum punctulatum
[Brébisson] Ralfs var. punctulatum
Species: Cell body 24-40.5 μm long, 21-36.5 μm wide, isthmus 8.4-16
μm; semicells slightly twisted with each other; apical view triangular with each margin slightly convexed;
side view elliptical diamond-shaped; cell wall covered with granules regularly arranged around each arm
(Illustrations of The Japanese Fresh-water Algae, 1977).
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Staurastrum punctulatum [Brébisson] Ralfs var. punctulatum (or S. alternans ?),
cell body μm long, μm wide, L/W=,
x 640, No. 5, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Staurastrum punctulatum,
cell body μm long, μm wide, L/W=,
x 640, No. 1, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 by Y. Tsukii
Images of collecting locality:
No. 5, Miyatoko marsh, Minami-Aizu town, Fukushima Pref., Japan, June 15, 2008 by Y. Tsukii
Please click on images for viewing enlarged
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