Linnaeus. C. 1753: Species Plantarum. Impensis Laurentii Salvii, Stockholm.
Potamogeton perfoliatus was present in cultivation in New Zealand but has now been eradicated. To my knowledge there are no living collections of the plant remaining (Pers. comm. Paul Champion, April 2011).
NZOR Concept Id
NZFLORA (2012-) New Zealand Plant Names - Name based concepts