DescriptionAzolla megaspore Postglacial Galapagos Islands TEM longitudinal section 1.jpg
English: Transmission Electron Micrograph (TEM) of a megaspore of the genus Azolla from Postglacial sediments of Laguna El Junco, Galápagos Island of San Cristobal. Longitudinal section 1, original size = 0.52 x 0.33 mm (Masterly preparation by Wolfgang Mackowiak, University at Cologne, Germany).
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