| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Charles Bailey | 1/7/1885 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Alfred Fryer Charles Bailey | 22/8/1897 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Elizabeth Anne Lomax | 27/6/1884 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, West Moor, Doddington | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 22/8/1886 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 27/8/1897 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 1/8/1895 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 16/8/1895 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 18/9/1894 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 5/9/1895 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 16/8/1895 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Whittlesea | Alfred Fryer | Alfred Fryer Charles Bailey | 5/9/1895 | 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 | 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, 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, 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, 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, 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, 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 |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC79 Selkirkshire, Cauldshields Lough | Robert Renton | Charles Bailey | 9/9/1879 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC79 Selkirkshire, Cauldshields Lough | Robert Renton | | 23/9/1879 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC79 Selkirkshire, Coldshields Lough | Robert Renton | Charles Bailey Robert Renton | 13/9/1879 | MANCH |