| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | William Richardson Linton | IRGMA Set of British Willows | 1894 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 21/4/1890 5/8/1890 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC57 Derbyshire, Yeldersley | | IRGMA | 30/4/1890 5/8/1890 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC58 Cheshire, Macclesfield | Richard Francis Towndrow Spencer Henry Bickham | Watson Botanical Exchange Club IRGMA Spencer Henry Bickham | 6/4/1905 8/8/1905 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC58 Cheshire, Shotwick | | IRGMA | 2/5/1914 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC58 Cheshire, Wallasey | | IRGMA | 4/1864 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC58 Cheshire, Wybunbury Bog | William Richardson Linton | IRGMA | 27/5/1895 26/8/1895 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC58 Cheshire, Wybunbury Bog | William Richardson Linton | IRGMA William Richardson Linton | 27/5/1895 26/8/1895 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC58 Cheshire, Wybunbury Bog | William Richardson Linton | IRGMA Set of British Willows | 27/5/1895 26/8/1895 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Burnley, Cliviger | C R Ritchings | IRGMA | 9/1912 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC59 South Lancashire, Clitheroe | | IRGMA | 30/5/1914 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Formby | | IRGMA | 16/6/1911 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC59 South Lancashire, Freshfield | Vera Gordon | Liverpool University IRGMA | 21/8/1956 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Vera Gordon | Liverpool Botanical Society IRGMA | 2/7/1955 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Vera Gordon | Liverpool University IRGMA | 21/8/1956 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Alice E Ratcliffe | IRGMA | 16/5/1967 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC59 South Lancashire, Lowton | Edward Francis Linton | IRGMA | 8/11/1890 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC59 South Lancashire, Oglet | Eric Fairgrieve Greenwood | IRGMA | 13/7/1972 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Pendle Hill | | IRGMA | | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC59 South Lancashire, Rainford | | IRGMA | 7/6/1913 | LIV |
| Potamogeton pectinatus | GB, VC59 South Lancashire, Red Rock, Wigan | Paul Francis | IRGMA | 17/7/1980 | BON |
| Potamogeton natans | GB, VC59 South Lancashire, Wigan | P Francis | IRGMA | 17/7/1980 | BON |
| Salix cinerea x aurita = S. x multinervis | GB, VC60 West Lancashire, Claughton | Eric Fairgrieve Greenwood | IRGMA | 30/5/1973 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC60 West Lancashire, Goosnargh | Eric Fairgrieve Greenwood | IRGMA | 18/4/1964 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC60 West Lancashire, Lytham Saint Anne's | Eric Fairgrieve Greenwood | IRGMA | 12/8/1968 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Coxwold | John Gilbert Baker | IRGMA | 7/1855 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC62 North-east Yorkshire, Kilvington | William Foggitt | Liverpool University IRGMA Joseph Dickinson | 5/1852 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC62 North-east Yorkshire, Kilvington | John Gilbert Baker | IRGMA | | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC62 North-east Yorkshire, Thirsk | Thomas Jackson Foggitt | IRGMA Catherine Muriel Rob Joseph Norman Frankland | 12/11/1923 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC62 North-east Yorkshire, Thirsk | Thomas Jackson Foggitt | IRGMA Catherine Muriel Rob Joseph Norman Frankland | 25/8/1929 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC62 North-east Yorkshire, Thirsk | Gertrude Foggitt | IRGMA Frederick William Holder | 21/7/1939 | LIV |
| Salix fragilis x alba = S. x rubens | GB, VC62 North-east Yorkshire, Thirsk | Gertrude Foggitt | IRGMA Joseph Norman Frankland | 6/5/1937 21/7/1937 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC62 North-east Yorkshire, Thirsk | Allan B Hall | IRGMA Allan B Hall | 4/8/1894 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC68 North Northumberland, Rothbury | John Ewbank Leefe | IRGMA Arthur Bennett | 5/1870 to 8/1870 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC72 Dumfriesshire, Sanquhar | | IRGMA | 6/1883 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | IRGMA | 9/4/1876 to 9/1876 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC80 Roxburghshire, Primside Bog | Andrew Brotherston | IRGMA | 5/1878 8/1878 | LIV |
| Salix caprea x cinerea = S. x reichardtii | GB, VC88 Mid Perthshire, Fortingall | | IRGMA | 2/8/1891 | LIV |
| Salix cinerea x aurita = S. x multinervis | GB, VC88 Mid Perthshire, Glen Lochay | | IRGMA | 22/7/1891 | LIV |
| Salix aurita x repens = S. x ambigua | GB, VC88 Mid Perthshire, Glen Lyon | | IRGMA | 1/8/1898 | LIV |