 |
Closterium spp. -a desmid; cycle or bow shaped; 100
- 500 µm in length |
 |
Cosmarium spp.
-a desmid; 20-110 µm long |
 |
Pediastrum spp.
-a free floating Green alga. It is actually a colony of
6-128 cells; peripheral cells have one or two distinctive processes |
  |
Staurastrum spp.
Left : side view
Right : end view |
 |
Ulothrix spp.
-filamentous colony; chloroplasts are parietal |