Euastrum luetkemuelleri F.Ducellier 1918

Division     Charophyta
Class     Zygnematophyceae
Order     Desmidiales
Family    Desmidiaceae

    Cells small, smooth, pyramidal in shape, deeply constricted at isthmus, sinus linear and closed; apex truncated with slightly depressed notch at center. Semi cells three lobed with distinct polar lobe; cell wall without any ornamentation; margins with undulations. Chloroplast one per semi cell, axile with a pyrenoid at center. Cells 18-37 µm long, 11-23 µm broad, and 3-8 µm broad at isthmus.


Planktonic, Acidophilous and occurs in oligotrophic water bodies.

Distribution in India

Gujarat, Madhya Pradesh (Gupta, 2012); Tamil Nadu: Kancheepuram and Ramanathapuram Districts (Maheswari and Baluswami, 2017a, 2017c)