Skip to content

Diagnostic features

Unicellular desmid with two rounded semicells with a relatively smooth outline, and supporting spines (cf. Cosmarium). The median constriction or isthmus between the semicells may be narrow or wide. Each semicell contains a green chloroplast.

Typical habitats

Found in wetlands and other acidic waters


Kingdom Plantae
Phylum Charophyta
Class Zygnemophyceae
Order Desmidiales
Family Desmidiaceae
Common name Green algae