Genus:
Species:
Vegetative cells 165-225 μm long,
15-17 μm diam.,
1 chloroplast making 4-7 turns in each cell
(Illustrations of The Japanese Fresh-water Algae, 1977).
Spirogyra arta, septum folded,
cell body 126 μm long, 17 μm wide, L/W=7.4, septum folded,
a single band-form chloroplast making 5.5 turns in each cell,
x 400, x 640, riverside at Satsunai river, Obihiro city, Hokkaido, Japan, October 15, 2005 by Y. Tsukii 50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Genus:
50 μm
