| Potamogeton natans x lucens = P. x fluitans | | Alfred Fryer | | | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC11 South Hampshire, Moors River | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 6/1879 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC11 South Hampshire, Moors River | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 6/1879 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC13 West Sussex, Wey and Arun Canal near Billingshurst | William Hadden Beeby | William Hadden Beeby | 6/1880 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | IE, VCH16 West Galway, Connemara | William Richardson Linton | Edward Francis Linton | 8/1885 | ABS |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer | William Hadden Beeby | 10/7/1886 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer Arthur Bennett | Allan Octavian Hume | 20/7/1886 | SLBI |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | | 15/7/1887 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Charles Bailey | 15/7/1887 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Charles Bailey | 15/7/1887 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | | 15/7/1887 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles | 15/7/1887 | ABS |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 15/7/1887 | SLBI |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer | Alfred Fryer Charles Bailey | 19/7/1887 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | The British Museum Alfred Fryer Charles Bailey | 19/7/1887 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | The British Museum Alfred Fryer | 19/7/1887 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer | Charles Bailey | 28/7/1887 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Doddington | Alfred Fryer George Fryer | William Hadden Beeby | 8/9/1887 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 7/5/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 31/5/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | | 7/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 7/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Royal Botanic Gardens, Kew | 7/7/1888 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 10/7/1888 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 11/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | | 11/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Dulwich College | 11/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Chatteris Cultivated GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | | 17/7/1888 | ABS |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Charles Bailey | 17/7/1888 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Elizabeth Anne Lomax | 17/7/1888 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | | 17/7/1888 | ABS |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles Arthur Bennett | 17/7/1888 | ABS |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 17/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Society & Exchange Club of The British Isles Alfred Fryer William Hadden Beeby | 17/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles | 23/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Alexander Somerville | 23/7/1888 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | William Hadden Beeby | 24/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 25/7/1888 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | | 25/7/1888 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Augustin Ley | 29/7/1888 | BIRM |