| Potamogeton lucens | GB, VC31 Huntingdonshire, Ramsey Saint Mary's | George Taylor | The British Museum | 30/6/1946 | SLBI |
| Potamogeton gramineus | GB, VC31 Huntingdonshire, Wood Walton | George Taylor | The British Museum | 31/8/1946 | E |
+ | Potamogeton nodosus | GB, VC34 West Gloucestershire, Bitton,River Avon below Flock Mill | George Taylor | British Museum (Natural History) The British Museum | 27/9/1949 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire, Red Rail | George Taylor | The British Museum | 28/7/1948 | MANCH |
| Potamogeton lucens | GB, VC38 Warwickshire, Marston Jabbett | George Taylor | The British Museum | 17/9/1948 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Bodafon | Hugh Davies | The British Museum | | E |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC54 North Lincolnshire, Belton | George Taylor | The British Museum | 2/8/1941 | MANCH |
+ | Potamogeton praelongus | GB, VC58 Cheshire, Quoisley | George Taylor | British Museum (Natural History) The British Museum | 5/9/1947 | MANCH |
| Potamogeton obtusifolius | GB, VC59 South Lancashire, Droylsden | George Taylor | The British Museum | 26/8/1945 | MANCH |
| Potamogeton obtusifolius | GB, VC59 South Lancashire, Gorton | George Taylor | The British Museum | 10/5/1943 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC59 South Lancashire, Gorton | George Taylor | The British Museum | 10/5/1943 | SLBI |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC59 South Lancashire, Stockport | George Taylor | The British Museum | 11/7/1940 | MANCH |
| Potamogeton alpinus | GB, VC60 West Lancashire, Cabus | James Edgar Dandy | The British Museum | 2/9/1946 | MANCH |
| Potamogeton natans | GB, VC60 West Lancashire, Garstang | James Edgar Dandy | The British Museum | 2/9/1946 | MANCH |
| Potamogeton berchtoldii | GB, VC60 West Lancashire, Nateby | James Edgar Dandy | The British Museum | 2/9/1946 | MANCH |
| Potamogeton crispus | GB, VC60 West Lancashire, Preston | James Edgar Dandy | The British Museum | 28/6/1946 | MANCH |
| Potamogeton obtusifolius | GB, VC60 West Lancashire, Preston | James Edgar Dandy | The British Museum | 28/6/1946 | MANCH |
| Potamogeton polygonifolius | GB, VC61 South-east Yorkshire, Melbourne | George Taylor | The British Museum | 24/8/1945 | E |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC61 South-east Yorkshire, Routh | George Taylor | The British Museum | 24/8/1944 | MANCH |
| Potamogeton lucens | GB, VC61 South-east Yorkshire, Ulrome | George Taylor | The British Museum | 29/7/1945 | MANCH |
| Carex dioica | GB, VC62 North-east Yorkshire, Castle Howard | | The British Museum | 6/1845 | E |
| Potamogeton polygonifolius | GB, VC62 North-east Yorkshire, Gormire Lake | George Taylor | The British Museum | 23/9/1945 | E |
| Potamogeton coloratus | GB, VC62 North-east Yorkshire, Thornton-le-Street | George Taylor | The British Museum | 1/8/1947 | MANCH |
| Potamogeton trichoides | GB, VC63 South-west Yorkshire, Brighouse | George Taylor | The British Museum | 20/6/1942 | MANCH |
| Potamogeton trichoides | GB, VC63 South-west Yorkshire, Rothwell | George Taylor | The British Museum | 21/7/1944 | MANCH |
| Potamogeton filiformis x pectinatus = P. x suecicus | GB, VC64 Mid-west Yorkshire, Arthington | George Taylor | The British Museum | 19/7/1945 | BIRM |
| Potamogeton filiformis x pectinatus = P. x suecicus | GB, VC64 Mid-west Yorkshire, Harewood | George Taylor | The British Museum | 2/8/1940 | MANCH |
| Potamogeton filiformis x pectinatus = P. x suecicus | GB, VC64 Mid-west Yorkshire, Harewood | George Taylor | The British Museum | 2/8/1940 | SLBI |
| Potamogeton gramineus | GB, VC64 Mid-west Yorkshire, Malham Tarn | George Taylor | The British Museum | 15/7/1945 | SLBI |
| Potamogeton gramineus | GB, VC64 Mid-west Yorkshire, Malham Tarn | George Taylor | The British Museum | 9/10/1945 | E |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC64 Mid-west Yorkshire, Malham Tarn | George Taylor | The British Museum | 29/7/1949 | SLBI |
| Potamogeton polygonifolius | GB, VC64 Mid-west Yorkshire, Pannal | George Taylor | The British Museum | 10/7/1944 | MANCH |
| Potamogeton polygonifolius | GB, VC64 Mid-west Yorkshire, Pannal | George Taylor | The British Museum | 15/10/1944 | MANCH |
| Potamogeton filiformis x pectinatus = P. x suecicus | GB, VC64 Mid-west Yorkshire, Ripon | George Taylor | The British Museum | 12/7/1942 | SLBI |
| Potamogeton filiformis x pectinatus = P. x suecicus | GB, VC65 North-west Yorkshire, Langthorpe | George Taylor | The British Museum | 4/8/1944 | MANCH |
| Potamogeton filiformis x pectinatus = P. x suecicus | GB, VC65 North-west Yorkshire, West Tanfield | George Taylor | The British Museum | 29/8/1940 | MANCH |
| Potamogeton gramineus | GB, VC67 South Northumberland, Chollerton | George Taylor | The British Museum | 3/9/1949 | E |
| Potamogeton obtusifolius | GB, VC67 South Northumberland, Crag Lough | George Taylor | The British Museum | 29/9/1944 | MANCH |
| Potamogeton alpinus | GB, VC67 South Northumberland, Crag Lough | George Taylor | The British Museum | 29/9/1944 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC67 South Northumberland, Riding | George Taylor | The British Museum | 29/7/1944 | SLBI |