| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC56 Nottinghamshire, East Retford | George Taylor | | 10/7/1946 | SLBI |
| Potamogeton perfoliatus x crispus = P. x cooperi | GB, VC56 Nottinghamshire, Gringley on the Hill | George Taylor | | 7/6/1944 | SLBI |
| Potamogeton polygonifolius | GB, VC16 West Kent, Bedgebury | George Taylor | The British Museum | 12/9/1948 | SLBI |
| Potamogeton polygonifolius | GB, VC61 South-east Yorkshire, Melbourne | George Taylor | | 24/8/1945 | SLBI |
| Potamogeton polygonifolius | GB, VC64 Mid-west Yorkshire, Pannal | George Taylor | | 10/7/1944 | SLBI |
| Potamogeton polygonifolius | GB, VC73 Kirkcudbrightshire, Stroanfreggan Bridge | George Taylor | | 4/9/1947 | SLBI |
| Potamogeton polygonifolius | GB, VC75 Ayrshire, Dalmellington | George Taylor | | 4/8/1949 | SLBI |
| Potamogeton praelongus | GB, VC27 East Norfolk, Smallburgh | George Taylor | | 20/6/1947 | SLBI |
| Potamogeton pusillus | GB, VC21 Middlesex, Harefield | George Taylor | | 7/7/1946 | SLBI |
| Potamogeton pusillus | GB, VC38 Warwickshire, Stratford on Avon | George Taylor | | 21/8/1947 | SLBI |
| Potamogeton pusillus | GB, VC62 North-east Yorkshire, Redcar | George Taylor | | 24/5/1945 | SLBI |
| Potamogeton trichoides | GB, VC20 Hertfordshire, Harefield GB, VC21 Middlesex, Uxbridge | George Taylor | | 13/9/1939 | SLBI |
| Potamogeton trichoides | GB, VC63 South-west Yorkshire, Dewsbury | George Taylor | British Museum (Natural History) | 21/7/1940 | SLBI |
| Sorbus whiteana | GB, VC34 West Gloucestershire, Clifton Down | George Taylor Noel Yvri Sandwith | Job Edward Lousley | 20/9/1931 | SLBI |
| Thalictrum minus | GB, VC85 Fifeshire, North Queensferry | George Taylor | Job Edward Lousley | 25/7/1931 | SLBI |
| Potamogeton alpinus | GB, VC67 South Northumberland, Crag Lough | George Taylor | The British Museum | 29/9/1944 | MANCH |
+ | Potamogeton alpinus x crispus = P. x olivaceus | GB, VC78 Peeblesshire, Manor | George Taylor | British Museum (Natural History) | 29/7/1946 | MANCH |
+ | Potamogeton berchtoldii x acutifolius = P. x sudermanicus | GB, VC9 Dorset, Arne | George Taylor | British Museum (Natural History) Flora of Leicestershire (1886) | 17/8/1946 | MANCH |
| Potamogeton coloratus | GB, VC62 North-east Yorkshire, Thornton-le-Street | George Taylor | The British Museum | 1/8/1947 | MANCH |
| Potamogeton coloratus | GB, VC64 Mid-west Yorkshire, Farnham | George Taylor | | 2/7/1944 | MANCH |
+ | Potamogeton compressus | GB, VC58 Cheshire, Chester | George Taylor | British Museum (Natural History) | 5/9/1947 | MANCH |
+ | Potamogeton compressus | GB, VC59 South Lancashire, Ashton-under-Lyne,Daisy Nook | George Taylor | British Museum (Natural History) Flora of Leicestershire (1886) | 26/8/1945 | MANCH |
+ | Potamogeton compressus | GB, VC59 South Lancashire, Manchester,Droylsden | George Taylor | British Museum (Natural History) | 26/8/1945 | MANCH |
| Potamogeton filiformis | GB, VC90 Angus, Kinnell | George Taylor | The British Museum | 12/9/1944 | MANCH |
| 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, Leathley | George Taylor | British Museum (Natural History) | 17/8/1940 | MANCH |
| 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 friesii x crispus = P. x lintonii | GB, VC59 South Lancashire, Manchester,Gorton | George Taylor | British Museum (Natural History) Flora of Leicestershire (1886) | 26/8/1945 | MANCH |
| Potamogeton friesii x crispus = P. x lintonii | GB, VC59 South Lancashire, Stockport | George Taylor | The British Museum | 11/7/1940 | MANCH |
+ | Potamogeton gramineus x alpinus = P. x nericius | GB, VC92 South Aberdeenshire, Alford | George Taylor | British Museum (Natural History) Flora of Leicestershire (1886) | 1946 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC54 North Lincolnshire, Belton | George Taylor | The British Museum | 2/8/1941 | MANCH |
| Potamogeton lucens | GB, VC61 South-east Yorkshire, Ulrome | George Taylor | The British Museum | 29/7/1945 | MANCH |
+ | Potamogeton lucens x gramineus = P. x angustifolius | GB, VC54 North Lincolnshire, Wroot | George Taylor | British Museum (Natural History) | 5/8/1943 | MANCH |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC61 South-east Yorkshire, Routh | George Taylor | The British Museum | 24/8/1944 | MANCH |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC36 Herefordshire, Red Rail | George Taylor | The British Museum | 28/7/1948 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | GB, VC31 Huntingdonshire, Ramsey | George Taylor | The British Museum | 29/6/1946 | MANCH |
+ | Potamogeton natans x gramineus = P. x sparganiifolius | GB, VC75 Ayrshire, Strainton,Burnfoot | George Taylor | British Museum (Natural History) | 4/9/1947 | MANCH |
+ | Potamogeton natans x lucens = P. x fluitans | GB, VC11 South Hampshire, Saint Leonards | George Taylor | British Museum (Natural History) The British Museum | 17/8/1946 | MANCH |
+ | Potamogeton nodosus | GB, VC7 North Wiltshire, Holt,River Avon | George Taylor | British Museum (Natural History) The British Museum | 28/8/1940 | MANCH |