| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Pidley | Alfred Fryer | Alfred Fryer Charles Bailey | 27/5/1888 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Pidley | Alfred Fryer | Alfred Fryer Charles Bailey | 27/5/1888 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Pidley Fen | Alfred Fryer | Alfred Fryer Charles Bailey | 27/5/1888 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Pidley Fen | Alfred Fryer | | 19/8/1888 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Pidley Fen, Warner's Drove | Alfred Fryer | Alfred Fryer Charles Bailey | 27/5/1888 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | | 31/5/1887 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | Alfred Fryer | 31/5/1887 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Wood Walton | George Taylor | | 31/8/1946 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Woodwalton Fen | Job Edward Lousley | Job Edward Lousley | 27/6/1948 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC31 Huntingdonshire, Woodwalton Fen | Job Edward Lousley | Job Edward Lousley | 27/6/1948 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC38 Warwickshire, Earlswood | Dorothy Adlington Cadbury | | 28/7/1949 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC40 Shropshire, Crose Mere | | Croydon Natural History and Scientific Society Henry Franklin Parsons | 19/9/1884 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC52 Anglesey | John Edwards Griffith | Botanical Exchange Club of The British Isles | 6/1884 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC52 Anglesey, Llyn Maelog | William Wilson | William Wilson | 1830 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC52 Anglesey, Llyn Maelog | William Wilson | William Wilson | 14/8/1830 | MANCH |
+ | Potamogeton lucens x gramineus = P. x angustifolius | GB, VC54 North Lincolnshire, Wroot | George Taylor | British Museum (Natural History) | 5/8/1943 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC55 Leicestershire, Moira | Frederick Thompson Mott | Charles Bailey Frederick Thompson Mott Thomas Thorp | 26/8/1878 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC55 Leicestershire, Moira | Edgar Franklin Cooper | Charles Bailey Frederick Thompson Mott | 8/1891 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC55 Leicestershire, Moira | Edgar Franklin Cooper | Charles Bailey Frederick Thompson Mott Thomas Thorp | 8/1891 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC55 Leicestershire, Moira | Edgar Franklin Cooper | Edgar Franklin Cooper | 17/8/1891 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC58 Cheshire, Manchester, Hyde | E M F Swale Thomas Raeside Laycock | Brian Hopkins | 28/7/1951 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC61 South-east Yorkshire, Routh | George Taylor | The British Museum | 24/8/1944 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC61 South-east Yorkshire, Routh Carrs | George Taylor | | 8/7/1945 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC61 South-east Yorkshire, Routh Carrs | George Taylor | | 24/8/1944 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC62 North-east Yorkshire, Scarborough | Robert Davies | | 11/7/1862 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC63 South-west Yorkshire, Hatfield | John Martin Taylor | The British Museum | 15/8/1943 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | Charles Bailey | Charles Bailey | 22/9/1882 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | Charles Bailey | Charles Bailey | 22/9/1882 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | Charles Bailey | Charles Bailey | 22/9/1882 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | Henry Smith Fisher | Charles Bailey John Harbord Lewis | 8/1868 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | | Charles Bailey John Harbord Lewis | 7/1867 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | Charles Bailey | Charles Bailey | 22/9/1882 | ABS |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston | Charles Bailey | | 22/9/1882 | ABS |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston Lake | Charles Bailey | Botanical Exchange Club of The British Isles | 22/9/1882 | BIRM |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston Lake GB, VC70 Cumberland, Derwent Water | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 15/9/1882 22/9/1882 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC70 Cumberland, Derwent Water | Charles Bailey | Charles Bailey | 15/9/1882 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston GB, VC70 Cumberland, Derwent Water | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 15/9/1882 to 22/9/1882 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC70 Cumberland, Derwent Water | Charles Bailey | Charles Bailey | 17/9/1870 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC70 Cumberland, Derwent Water | Charles Bailey | Charles Bailey | 16/9/1882 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC70 Cumberland, Derwent Water | Charles Bailey | Charles Bailey | 15/9/1882 | MANCH |