A frequent macrophyte in larger water bodies, P. perfoliatus occasionally grows in oligotrophic sites but is more often found in mesotrophic or eutrophic conditions. It is a rhizomatous perennial that grows in shallow water in sites which are not prone to occasional desiccation, but is most vigorous at depths of 1 m or more. 0-780 m (Loch an Tairbh-uisge, Mid Perth).
There is evidence for a decline of P. perfoliatus in some areas, such as Surrey and Cheshire. However it remains frequent in many regions, including some where more exacting Potamogeton species have declined.
Circumpolar Boreo-temperate element, with a disjunct distribution.
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