Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum zonatum
var. emarginatum Hirano
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:
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Staurastrum zonatum var. emarginatum Hirano ?,
cell body 26 μm long, 24 μm wide (excluding spines, up to 3 μm), L/W=1.1, isthmus μm wide,
x 640, No. 2, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Staurastrum sp.,
cell body ?? μm long, 43 μm wide, L/W=, isthmus ?? μm wide,
x 640, No. 2, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Cell body 31 μm long, 40 μm wide (including spines, up to 3 μm), L/W=, isthmus 11 μm wide, x 640
Images of collecting locality:
No. 2, Iroha-numa (marsh/bog), Zao mountain, Yamagata city, Yamagata Pref., Japan, August 2, 2006 by Y. Tsukii
Please click on images for viewing enlarged
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