| Potamogeton polygonifolius | GB, VC46 Cardiganshire, Tregaron | | | 1937 | ABS |
| Potamogeton polygonifolius | | | | | BON |
| Potamogeton polygonifolius | GB, VC58 Cheshire, Hale Moss | | | 8/1856 | BON |
| Potamogeton polygonifolius | GB, VC98 Argyllshire, Oban | | | 7/1845 | SLBI |
| Potamogeton polygonifolius | GB, VC14 East Sussex, Tunbridge Wells | | | 6/1851 | SLBI |
| Potamogeton polygonifolius | GB, VC17 Surrey, Addington | | | 29/6/1870 | SLBI |
| Potamogeton polygonifolius | GB, VC1 West Cornwall, Sennen | | | 10/6/1873 | SLBI |
| Potamogeton polygonifolius | GB, VC1 West Cornwall, Kynance | | | 20/6/1873 | SLBI |
| Potamogeton polygonifolius | GB, VC100 Clyde Islands, Loch na Davie | | | 1884 | E |
| Potamogeton polygonifolius | GB, VC103 Mid Ebudes, Mull | | | 7/7/1968 | E |
| Potamogeton polygonifolius | GB, VC80 Roxburghshire, Mossburnford | | Berwick Herbarium | | E |
| Potamogeton polygonifolius | GB, VC81 Berwickshire, Gordon | Johnston | Berwick Herbarium Johnston | | E |
| Potamogeton polygonifolius | GB, VC75 Ayrshire, Dalmellington | George Taylor | British Museum (Natural History) George Taylor | 4/8/1949 | E |
| Potamogeton polygonifolius | GB, VC101 Kintyre, Tangy Loch | Christopher David Preston Nicholas F Stewart | Cambridge University | 19/6/1988 | E |
| Potamogeton polygonifolius | GB, VC101 Kintyre, Island of Danna | Christopher David Preston M G B Hughes Nicholas F Stewart | Cambridge University | 20/6/1988 | E |
| Potamogeton polygonifolius | GB, VC66 County Durham, Widdybank Fell, Teesdale | Margaret Elizabeth Bradshaw | Cambridge University | 3/9/1969 | E |
| Potamogeton polygonifolius | GB, VC17 Surrey, Shirley | Henry Franklin Parsons | Croydon Natural History and Scientific Society Henry Franklin Parsons | 3/7/1904 | SLBI |
+ | Potamogeton polygonifolius | GB, VC87 West Perthshire, River Leny | Kindrogan Water Plants Course | | 25/9/1986 | PTH |
| Potamogeton polygonifolius | GB, VC83 Midlothian, Borthwick | | Museum Herbarium, Bridge of Allan | 1832 | E |
| Potamogeton polygonifolius | GB, VC64 Mid-west Yorkshire, Pannal | George Taylor | The British Museum | 10/7/1944 | MANCH |
| Potamogeton polygonifolius | GB, VC64 Mid-west Yorkshire, Pannal | George Taylor | The British Museum | 15/10/1944 | MANCH |
| Potamogeton polygonifolius | GB, VC75 Ayrshire, Dalmellington | George Taylor | The British Museum | 4/8/1949 | MANCH |
| Potamogeton polygonifolius | GB, VC16 West Kent, Bedgebury | George Taylor | The British Museum | 12/9/1948 | SLBI |
| Potamogeton polygonifolius | GB, VC61 South-east Yorkshire, Melbourne | George Taylor | The British Museum | 24/8/1945 | E |
| Potamogeton polygonifolius | GB, VC112 Shetland, Loch of Cliff | Iolo Aneurin Williams | The British Museum | 2/7/1948 | E |
| Potamogeton polygonifolius | GB, VC103 Mid Ebudes, Mull | Ian Keith Ferguson | The British Museum | 11/10/1969 | E |
| Potamogeton polygonifolius | GB, VC16 West Kent, Bedgebury | George Taylor | The British Museum | 12/9/1948 | E |
| Potamogeton polygonifolius | GB, VC112 Shetland, Fair Isle | Iolo Aneurin Williams | The British Museum | 27/9/1956 | E |
| Potamogeton polygonifolius | GB, VC62 North-east Yorkshire, Gormire Lake | George Taylor | The British Museum | 23/9/1945 | E |
| Potamogeton polygonifolius | GB, VC98 Argyllshire, Benderloch | M B Gerrans | The British Museum | 3/7/1951 | E |
| Potamogeton polygonifolius | GB, VC69 Westmorland, Nor Moss Tarn, Windermere | Denis John Carr | University of Manchester | 7/1948 | ABS |
| Potamogeton polygonifolius | GB, VC17 Surrey, Thursley | Iolo Aneurin Williams | Watson Botanical Exchange Club | 27/6/1925 | SLBI |
| Potamogeton polygonifolius | GB, VC17 Surrey, Thursley | Iolo Aneurin Williams | Watson Botanical Exchange Club | 11/1924 | SLBI |
| Potamogeton polygonifolius | GB, VC17 Surrey, Bisley Common | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 5/7/1933 | SLBI |
| Potamogeton polygonifolius | GB, VC108 West Sutherland, Lochinver | John Anthony | | 25/7/1955 | E |
| Potamogeton polygonifolius | GB, VC108 West Sutherland, Borgie | John Anthony | | 27/7/1956 | E |
| Potamogeton polygonifolius | GB, VC108 West Sutherland, Altnaharra | John Anthony | | 24/6/1968 | E |
| Potamogeton polygonifolius | GB, VC108 West Sutherland, Swordley | John Anthony | | 8/1955 | E |
| Potamogeton polygonifolius | GB, VC61 South-east Yorkshire, Beverley | Charles Avery | Charles Avery | 29/5/1939 | SLBI |
| Potamogeton polygonifolius | GB, VC98 Argyllshire, Glen Etive | Charles Bailey | Charles Bailey | 22/7/1885 | MANCH |