Volvox - TheMicrobiology09
Oscillatoria - Gerd A. Guenther
Filamentous bluegreen algae of the genus Oscillatoria, time lapse movement of filaments. Taken with light microscope, magnification about 1000x.
Oscillatoria -Â Mon Microscopic
Colonial green algae Volvox aureus under the microscope
Christian Linkenheld