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Diagnostic features

Unicellular chlorophyte with rounded to slightly pear-shaped cells and 2 flagella of equal length. Strands of cytoplasm span a clear space between the protoplast and the cell wall. Bright red accessory pigment usually masks the green chloroplasts.

Typical habitats

Occasionally found in ponds or puddles; common in bird-baths.


Kingdom Plantae
Phylum Chlorophyta
Class Chlorophyceae
Order Chlamydomonadales
Family Chlamydomonadaceae
Common name Green algae