Gamophyceae:
Zygnematales: Desmidiaceae
Staurastrum hirsutum
(Ehrenberg) Brébisson in Ralfs
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: lacks arm-like projections
(Illustrations of The Japanese Fresh-water Algae, 1977)
Species: Cell body 31-47 μm long (excluding spines), 31-47 μm wide,
L/W=1.25, isthmus 11-15 μm
(Illustrations of The Japanese Fresh-water Algae, 1977)
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Staurastrum hirsutum (Ehrenberg) Brébisson,
cell body μm long, μm wide, L/W=, isthmus μm wide,
x 640, No.4, Kuroyachi marsh, Hachimantai, Hachimantai city, Iwate Pref., Japan, August 23, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Staurastrum hirsutum (Ehrenberg) Brébisson
or S. monticulosum Brébisson var. bidens W. et G.S. West ?,
cell body μm long, μm wide, L/W=, isthmus μm wide,
x 640, No.4, Kuroyachi marsh, Hachimantai, Hachimantai city, Iwate Pref., Japan, August 23, 2007 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Cell body μm long, μm wide, L/W=, isthmus μm wide, x 640
Images of collecting locality:
No.4, Kuroyachi marsh, Hachimantai, Hachimantai city, Iwate Pref., Japan, August 23, 2007 by Y. Tsukii
Please click on images for viewing enlarged
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