GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of Batrachospermum sp., a freshwater red alga. Due to the intense mucilage surrounding the filaments, it resembles chains of frog eggs (frog spawn). Microscopic contrast method : Darkfield. Magnification 100x when printed at 10 centimetres wide.
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