Skip to content

Diagnostic features

Colonial chlorophyte with ovoid or lemon-shaped cells, usually in groups of 2, 4 or 8, and enclosed in a large, inflated, remnant mother cell wall. Chloroplasts green, parietal, variable in shape.

Typical habitats

Found in the plankton of nutrient-rich lakes and ponds. Sometimes abundant in sewage ponds, particularly during summer.


Kingdom Plantae
Phylum Chlorophyta
Class Trebouxiophyceae
Order Chlorellales
Family Oocystaceae
Common name Green algae