Pleurotaenium ovatum (Nordstedt) Nordstedt 1877

Division     Charophyta
Class     Zygnematophyceae
Order     Desmidiales
Family    Desmidiaceae
Basionym     Docidium ovatum Nordstedt

    Cells large size, tumid to cylindrical 2.5- 3.5 longer than broad, cells measure 260-320 µm long and 110-135 µm broad. Cells with a prominent constriction at the center. Semicells ovate, gradually tapering from middle towards rounded truncated apices, margins recurved, isthmus 45-60 µm; cell wall distinctly punctuate.


Freshwater free floating alga and it prefers slightly acidic to slightly alkaline waters bodies.