| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC89 East Perthshire, Marlee Loch | George Claridge Druce | Charles Bailey | 7/1883 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC98 Argyllshire, Oban | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 21/7/1885 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC98 Argyllshire, Oban | Charles Bailey | Charles Bailey | 21/7/1885 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC98 Argyllshire, Oban | Charles Bailey | | 21/7/1885 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC99 Dunbartonshire, River Leven | L Watt | Alfred Fryer Charles Bailey | 28/8/1897 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC100 Clyde Islands, Loch Ascog | George Edward Hunt | Charles Bailey George Edward Hunt | 7/1866 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC100 Clyde Islands, Loch Ascog | R Turner | Charles Bailey | 9/1878 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC112 Shetland, Loch of Spiggie | G W | | 7/1927 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC112 Shetland, Spiggie | | | | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH1 South Kerry, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey | 13/8/1890 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH2 North Kerry, Ballymalis Castle | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 27/7/1889 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, Kerry, Beaufort | Reginald Wiliam Scully | Charles Bailey Reginald Wiliam Scully | 27/7/1889 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, Kerry, Cahernane, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Reginald Wiliam Scully | 8/1888 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, Kerry, Cahernane, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Elizabeth Anne Lomax Reginald Wiliam Scully | 8/1888 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, Kerry, Lower Lake, Killarney | Reginald Wiliam Scully | Botanical Exchange Club of The British Isles Charles Bailey Eyre Champion de Crespigny Reginald Wiliam Scully | 8/1888 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | IE, VCH38 Co. Down, magheralin | Coslett Herbert Waddell | Botanical Exchange Club of The British Isles Charles Bailey Coslett Herbert Waddell | 7/1904 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC6 North Somerset, Bath | Esther Hopkins | Charles Bailey Esther Hopkins | 6/1868 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC7 North Wiltshire, Limpley Stoke | Charles Bailey | Charles Bailey | 24/7/1893 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC9 Dorset, Wool | George Claridge Druce | George Claridge Druce | 7/1917 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Alfred Fryer Charles Bailey | 23/9/1892 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Charles Bailey | 31/5/1888 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Alfred Fryer Charles Bailey | 23/9/1892 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Botanical Exchange Club of The British Isles Alfred Fryer Charles Bailey | 27/6/1884 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Charles Bailey | 14/8/1887 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Charles Bailey | 21/5/1888 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 27/6/1884 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 27/6/1884 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Charles Bailey | 14/8/1887 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Botanical Exchange Club of The British Isles Charles Bailey | 27/6/1884 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey | Alfred Fryer | Botanical Exchange Club of The British Isles | 8/1883 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey Hall | Alfred Fryer | Charles Bailey | 19/5/1888 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Fortrey Hall Farm | Alfred Fryer | Charles Bailey | 21/5/1888 | MANCH |
| 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, 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 | 23/5/1888 | MANCH |
| 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 | 23/9/1892 | MANCH |