Light micrograph of Pleodorina indica (Gr. pleon, more & (Pan)dorina, named after Pandora, mythological woman), freshwater green alga colonies, showing one young colony and two older globular colonies with spherical biflagellate cells of different development stages inside. Culture material of the Culture Collection of Algae at the University of Cologne. Microscopic contrast method: Differential interference contrast. Magnification 580x when printed at 10 centimetres width.