| Potamogeton perfoliatus | GB, VC1 West Cornwall, Loe Pool | John Norton Mills | | 11/7/1942 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC6 North Somerset, Bath | Esther Hopkins | Charles Bailey Esther Hopkins | 6/1868 | MANCH |
| Potamogeton perfoliatus | GB, VC6 North Somerset, Limpley Stoke | Charles Bailey | Charles Bailey | 22/7/1893 | 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 gramineus x perfoliatus = P. x nitens | GB, VC17 Surrey, Frimley | Arthur Bennett | Botanical Exchange Club of The British Isles Charles Bailey Eyre Champion de Crespigny | 8/1888 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC17 Surrey, Frimley | Arthur Bennett | Botanical Exchange Club of The British Isles Charles Bailey | 8/1888 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC17 Surrey, Frimley | William Hadden Beeby | Alfred Fryer Charles Bailey | 12/8/1888 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC17 Surrey, Pirbright | William Hadden Beeby | Alfred Fryer Charles Bailey | 12/8/1888 | MANCH |
| Potamogeton perfoliatus | GB, VC20 Hertfordshire, Broxbourne | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1885 | MANCH |
| Potamogeton perfoliatus | GB, VC20 Hertfordshire, Broxbourne | Eyre Champion de Crespigny | Charles Bailey | 1886 | MANCH |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC20 Hertfordshire, Tring | James Edgar Dandy | The British Museum | 14/8/1949 | MANCH |
| Potamogeton perfoliatus | GB, VC21 Middlesex, Brentford | Thomas Robertson Sim | Charles Bailey John Harbord Lewis | 7/1878 | MANCH |
| Potamogeton perfoliatus | GB, VC21 Middlesex, Paddington Canal | Eyre Champion de Crespigny | Charles Bailey Eyre de Crespigny | 9/1875 | MANCH |
| Potamogeton perfoliatus | GB, VC21 Middlesex, Willesden | Eyre Champion de Crespigny | Charles Bailey Eyre de Crespigny | 1881 | MANCH |
| Potamogeton perfoliatus | GB, VC22 Berkshire, Pangbourne | | | 1895 | MANCH |
| Potamogeton perfoliatus | GB, VC22 Berkshire, Pangbourne | Chenevix-Trench | Chenevix-Trench | 1895 | MANCH |
| Potamogeton perfoliatus | GB, VC22 Berkshire, Sulhampstead | Chenevix-Trench | | 1894 | MANCH |
| Potamogeton perfoliatus | GB, VC22 Berkshire, Sulhampstead | | | 1896 | MANCH |
| Potamogeton perfoliatus | GB, VC22 Berkshire, Sulhamstead | | Chenevix-Trench | 1894 | MANCH |
| Potamogeton perfoliatus | GB, VC22 Berkshire, Sulhamstead | | Chenevix-Trench | 1894 | MANCH |
| Potamogeton perfoliatus | GB, VC23 Oxfordshire, Cherwell | John Norton Mills | John Norton Mills | 21/6/1942 | MANCH |
| Potamogeton perfoliatus | GB, VC28 West Norfolk, Fakenham | William Lowndes Notcutt | Charles Bailey William Lowndes Notcutt | 1862 | 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 | 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 | 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 | 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 | 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 | 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 | 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 |