| Potamogeton lucens x gramineus = P. x angustifolius | VC29, Fortrey's Hall Farm | Alfred Fryer | | 24/9/1891 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | | Alfred Fryer | Alfred Fryer | 23/5/1880 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | AT, Ausseer See, Styria | Karl-Heinz Rechinger | Job Edward Lousley | 21/8/1926 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Felbridge | William Hadden Beeby | | 9/1882 18/8/1883 18/8/1884 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedge Court | William Hadden Beeby | | 21/10/1883 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedge Court Pond | William Hadden Beeby | Botanical Exchange Club of The British Isles Charles Bailey | 18/8/1884 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedge Court Pond | William Hadden Beeby | | 18/8/1884 | ABS |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedge Court Pond | William Hadden Beeby | William Hadden Beeby | 9/9/1883 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedge Court Pond | William Hadden Beeby | William Hadden Beeby | 6/9/1885 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedge Court Pond | William Hadden Beeby | Botanical Exchange Club of The British Isles Allan Octavian Hume Frederick Townsend | 21/10/1883 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedgecourt Lake | | | 12/9/1880 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC17 Surrey, Hedgecourt Lake | William Hadden Beeby | Charles Bailey | 9/9/1883 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC28 West Norfolk, Kilverstone | George Taylor | The British Museum | 28/6/1947 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC28 West Norfolk, Kilverstone | George Taylor | | 28/6/1947 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Benwick | Alfred Fryer | Alfred Fryer Charles Bailey | 8/1894 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Benwick | Alfred Fryer | Alfred Fryer Charles Bailey | 27/8/1897 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Benwick | Alfred Fryer | Alexander Somerville | 3/9/1892 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Block Fen, Chatteris | Alfred Fryer | Augustin Ley | 25/6/1887 | BIRM |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Block Fen, Chatteris | Alfred Fryer | Augustin Ley | 25/7/1887 | BIRM |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Block Fen, Chatteris | Alfred Fryer | Botanical Exchange Club of The British Isles William Hadden Beeby | 21/8/1886 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Block Fen, Chatteris | Alfred Fryer | Alexander Somerville | 29/7/1887 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Block Fen, Chatteris | Alfred Fryer | Alfred Fryer | 5/8/1887 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Block Fen, Chatteris | Alfred Fryer | Alfred Fryer | 18/7/1887 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Blockmoor, Mepal | Alfred Fryer | Alfred Fryer | 25/7/1887 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 4/7/1884 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Alfred Fryer Charles Bailey | 12/7/1890 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Alfred Fryer Charles Bailey | 26/8/1897 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 4/7/1884 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Arthur Bennett | 8/1883 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | | 11/8/1886 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | William Hadden Beeby | 2/7/1884 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | William Hadden Beeby | 4/7/1884 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Alfred Fryer Nicholas Edward Brown | 8/1883 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Alexander Somerville Reginald Wiliam Scully | 22/8/1890 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris, Block Fen | Alfred Fryer | William Hadden Beeby | 11/8/1886 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris, Block Fen | Alfred Fryer | Alfred Fryer | 10/7/1887 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Chatteris, West Moor | Alfred Fryer | William Hadden Beeby | 12/7/1887 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer | Charles Bailey | 16/7/1888 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer | Alfred Fryer Charles Bailey | 22/8/1886 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer | | 16/7/1888 | ABS |