Potamogeton perfoliatus Linnaeus , Species Plantarum 1 : 126. 1753 Chapter 7: Linnaean Plant Names and their Types (part P) Jarvis, Charlie   Potamogeton perfoliatus Linnaeus ,  Species Plantarum 1 : 126. 1753 L. Linnaeus 1753 Liliopsida Potamogetonaceae Potamogeton Plantae Alismatales Tracheophyta species perfoliatus      Potamogeton perfoliatusLinnaeus,  Species Plantarum1: 126. 1753.  "Habitat in Europae lacubus fluviisque argillosis." RCN: 1035.    Lectotype(Haynes in Sida11: 178. 1985): Herb. Linn. No. 69 ( LAPP).   Note:Specific epithet spelled "perfoliatum"in the protologue. 2611900393 LAPP 69 lectotype