Potamogeton crispus
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APG III Classification: Domain: Eukaryota • Regnum: Plantae • Cladus: angiosperms • Cladus: monocots • Ordo: Alismatales • Familia: Potamogetonaceae • Genus: Potamogeton • Species: Potamogeton crispus L., Sp. Pl.: 126 (1753)