| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | Arthur Bennett | 25/9/1892 | E |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | | 25/9/1892 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Chatteris | Alfred Fryer | | 25/9/1892 | 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, Doddington | Alfred Fryer | Charles Bailey | 28/7/1887 | MANCH |
| 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, Doddington | Alfred Fryer George Fryer | William Hadden Beeby | 8/9/1887 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Horselode Fen | Alfred Fryer | | 25/9/1892 | SLBI |
+ | 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 Charles Bailey | 13/7/1890 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | The British Museum Alfred Fryer Charles Bailey | 13/7/1890 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | The British Museum Alfred Fryer Charles Bailey | 11/8/1891 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | The British Museum Alfred Fryer Charles Bailey | 4/8/1897 | 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, Mepal | Alfred Fryer | Augustin Ley | 7/7/1890 | BIRM |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Alfred Fryer | 7/7/1890 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 7/7/1890 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 7/7/1890 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Alexander Somerville | 10/7/1890 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 10/7/1890 | E |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 10/7/1890 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 10/7/1890 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Allan Octavian Hume Arthur Bennett | 10/7/1890 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Alfred Fryer | 13/7/1890 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Royal Botanic Gardens, Kew | 13/7/1890 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 13/7/1890 | SLBI |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 22/7/1890 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 30/7/1890 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 8/6/1891 | SLBI |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 8/8/1891 | E |
+ | 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 | Charles Bailey | 17/7/1888 | 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 | | 15/7/1887 | MANCH |
| 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, 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 | Royal Botanic Gardens, Kew | 7/7/1888 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | | 7/7/1888 | SLBI |