Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum kouwetsii
Coesel
Subgenus: lacks arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 42-50 μm long, 42-50 μm wide,
St. kowetsii resembles St. brebissonii but differs by stouter and less closely inserted cell wall spines
(Coesel & Meesters, Desmids of the Lowlands, KNNV Publishing, 2007).
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Staurastrum kouwetsii Coesel,
cell body ? μm long, 40 μm wide, L/W=, isthmus μm wide,
short spines 2 μm long,
x 640, No.2, Hachiman-numa marsh, Hachimantai, Hachimantai city (formerly Ashiro town & Matsuo village), Iwate Pref., Japan, September 12, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Staurastrum pilosum (Nägeli) Archer,
cell body 43 μm long, 38 μm wide, L/W=1.1, isthmus 14 μm wide,
x 640, No.2, Hachiman-numa marsh, Hachimantai, Hachimantai city (formerly Ashiro town & Matsuo village), Iwate Pref., Japan, September 12, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No.2, Hachiman-numa marsh, Hachimantai, Hachimantai city (formerly Ashiro town & Matsuo village), Iwate Pref., Japan, September 12, 2006 by Y. Tsukii
Please click on images for viewing enlarged
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