Light micrograph of Spirogyra sp., a freshwater filamentous green alga. Culture material of the Culture Collection of Algae at the University of Colog

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Light micrograph of Spirogyra sp., a freshwater filamentous green alga. Culture material of the Culture Collection of Algae at the University of Cologne. Microscopic contrast method: Epi-Fluorescence, blue excitation to show the spiral chloroplasts in red auto-fluorescence. Magnification 360x when printed at 10 centimetres width.

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Size: 5184px × 3456px
Photo credit: © GERD GUENTHER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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