Genus: Cell body short cylindroid in shape, slightly constricted at the center; semicells trapezoid or rectangular in shape, lateral margins smooth or slightly convex; cells firmly attached with each other forming elongate filaments; colonies sometimes covered with thick gelatinous coats (Illustrations of The Japanese Fresh-water Algae, 1977).
H. dissiliens
1 clips
μm
Japan, 199?
H. dissiliens
1 clips
μm
Japan, 199?
H. dissiliens
or Cosmarium ?
1 clips
μm
Japan, 199?
H. dissiliens
2 clips
μm
Japan, 199?
H. dissiliens
4 clips
μm
Japan, 199?
H. dissiliens
2 clips
μm
Japan, 199?
H. dissiliens
1 clips
μm
Japan, 199?