The UK Marine Environmental Data and Information Network (2024). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications.
Potamogeton perfoliatus L.. Accessed at: https://marinespecies.org/Msbias/aphia.php?p=taxdetails&id=416212 on 2024-05-16