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Keywords from Image Description:
Potamogeton perfoliatus Thom. de Potamogeton perfoliatus Durchwachnenes Laichkraut en Potamogeton perfoliatus Claspingleaf pondweed fr Potamogeton perfoliatus Potamot perfoli mpipz mpg de Flora von Deutschland sterreich und der Schweiz via biolib de Prof Dr Otto Wilhelm Thom other versions xpx xpx PDold Uploaded with Potamogeton