GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of Compsopogon sp. filaments, a freshwater red alga, family Compsopogonaceae. Culture material of the Culture Collection of Algae at the University of Cologne, Germany. Microscopic contrast method: Polarization contrast with crossed polarizers. Magnification 200x when printed at 10 centimetres width.
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