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:
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Similar species --> > S. brebissonii (=S. pilosum); S. kouwetsii; S. teliferum; S. hirsutum (shorter than 50 μm);
S. brebissonii
40 x 45 μm
Ikei-no-ike
Nasu
Tochigi, 2006
stock Tnik-1
40-42 x μm
Ikei-no-ike
Nasu
Tochigi, 2006
S. brebissonii
45 x 40 μm
East of Tojuro
Azuma mountains
Yamagata, 2007
S. brebissonii
42 x 39 μm
Kowashimizu
Suwa
Nagano, 2007
S. brebissonii
or S. trapezicum ?
μm
Tone river
Tsukiyono
Gunma, 2003
S. brebissonii
or S. trapezicum ?
42 x 37 μm
near Karakemi m.
Omachi
Nagano, 2005
S. brebissonii
x 47 μm
Hyoutan-ike
Shiga highland
Nagano, 2007
S. brebissonii
μm
Shijuhachi-ike 2
Shiga highland
Nagano, 2008
S. brebissonii
50 x 50 μm
Maeyama marsh
Shiga highland
Nagano, 2007
S. brebissonii
μm
Maeyama marsh
Shiga highland
Nagano, 2008