| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | | 19/5/1888 | ABS |
+ | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | | 19/5/1888 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | Augustin Ley | 19/5/1888 | BIRM |
+ | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | | 31/5/1888 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | Augustin Ley | 31/5/1888 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey's Hall | Alfred Fryer | | 4/8/1888 | ABS |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 19/5/1888 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 7/9/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Charles Bailey | 7/9/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Alfred Fryer | 28/9/1891 | MANCH |
+ | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | | 7/9/1897 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer G F Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 7/9/1897 | BIRM |
| Potamogeton x decipiens | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer G Fryer | Alfred Fryer Charles Bailey | 7/9/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Sutton | Alfred Fryer | Henry & James Groves | 27/6/1884 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Charles Bailey | 22/5/1887 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Alfred Fryer Charles Bailey | 23/5/1888 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Charles Bailey | 7/6/1888 | MANCH |
+ | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Charles Bailey | 7/6/1888 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Alfred Fryer Charles Bailey | 23/9/1892 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Alfred Fryer Charles Bailey | 23/9/1892 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Exchange Club of The British Isles | 27/6/1884 | ABS |
+ | Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | | 27/6/1884 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Exchange Club of The British Isles Augustin Ley | 27/6/1884 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Allan Octavian Hume Henry & James Groves | 27/6/1884 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Society & Exchange Club of The British Isles Alfred Fryer William Hadden Beeby | 27/6/1884 to 8/1884 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | William Hadden Beeby | 7/1884 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Arthur Bennett Augustin Ley | 14/8/1887 | BIRM |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | William Hadden Beeby | 14/8/1887 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | | 19/5/1888 | ABS |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | William Hadden Beeby | 19/5/1888 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | William Hadden Beeby | 21/5/1888 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | | 31/5/1888 | ABS |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC31 Huntingdonshire, Earith | Alfred Fryer | William Hadden Beeby | 5/1884 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC31 Huntingdonshire, Earith | Alfred Fryer | William Hadden Beeby | 16/8/1887 | SLBI |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire Cultivated | Alfred Fryer | Alfred Fryer | 29/7/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire Cultivated | Alfred Fryer | Alfred Fryer Charles Bailey | 29/7/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire Cultivated | Alfred Fryer | Alfred Fryer Charles Bailey | 29/7/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire Cultivated | Alfred Fryer | Alfred Fryer Charles Bailey | 30/9/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire Cultivated | Alfred Fryer | Alfred Fryer | 29/7/1897 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire Cultivated | Alfred Fryer | Alfred Fryer | 29/7/1897 | MANCH |