| 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, Somerset | James Walter White | Liverpool University IRGMA | 5/1887 6/1887 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC9 Dorset, Bournemouth Cultivated GB, VC9 Dorset, Tarrant Keynston | Edward Francis Linton | IRGMA Set of British Willows | 7/5/1897 5/7/1897 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC9 Dorset, Kingston | Edward Francis Linton | IRGMA | 10/1890 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC9 Dorset, Kinson | Edward Francis Linton | IRGMA Set of British Willows | 13/4/1894 22/8/1894 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC9 Dorset, Kinson | Edward Francis Linton | IRGMA | 13/4/1894 24/8/1895 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC9 Dorset, Kinson | Edward Francis Linton | Liverpool University Set of British Willows | 13/4/1894 22/8/1894 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC36 Herefordshire, Sellack | Augustin Ley | Botanical Exchange Club of The British Isles IRGMA | 5/1904 8/1904 | LIV |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC38 Warwickshire, Quinton Pool | Thomas Kirk | IRGMA | 4/1849 10/1852 | 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 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, VC26 West Suffolk, Barton Mills | Thomas Jackson Foggitt | IRGMA Frederick William Holder | 13/7/1925 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC26 West Suffolk, Barton Mills | Thomas Jackson Foggitt | IRGMA Joseph Norman Frankland | 13/7/1928 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC40 Shropshire, Hanwood | William Allport Leighton | IRGMA | 1842 | 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 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 | Vera Gordon | Liverpool Botanical Society IRGMA | 2/7/1955 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Vera Gordon | | 26/9/1954 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC59 South Lancashire, Freshfield | Alice E Ratcliffe | IRGMA | 16/5/1967 | 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, VC69 Westmorland, Appleby GB, VC69 Westmorland, Brough | Thomas Jackson Foggitt | Joseph Norman Frankland | 25/5/1926 20/7/1926 | LIV |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC72 Dumfriesshire, Sanquhar | | IRGMA | 6/1883 | LIV |
| Salix viminalis x caprea = S. x smithiana | | Edward Francis Linton | | | LIV |
| Salix viminalis x caprea = S. x smithiana | | John Ewbank Leefe | Liverpool University | 21/4/1866 10/10/1868 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC6 North Somerset, Walton in Gordano | James Walter White | Botanical Society & Exchange Club of The British Isles | 4/1887 to 8/1887 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC21 Middlesex, Finchley GB, VC21 Middlesex, Hendon | | IRGMA | 10/1883 5/4/1884 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC26 West Suffolk, Market Weston | Edward Francis Linton | IRGMA | 11/4/1883 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC27 East Norfolk, Sprowston | | IRGMA | 22/9/1883 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC26 West Suffolk, Market Weston GB, VC27 East Norfolk, Sprowston Cultivated | Edward Francis Linton | IRGMA | 4/5/1887 29/9/1887 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC30 Bedfordshire, Turvey | | IRGMA | 24/4/1884 11/9/1884 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC31 Huntingdonshire, Sawtry | Arthur Bennett | IRGMA | 20/4/1885 3/9/1885 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC31 Huntingdonshire, Sawtry | | IRGMA | 20/4/1885 3/9/1885 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC36 Herefordshire, Ross | William Henry Purchas | IRGMA | 4/1852 31/7/1852 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC36 Herefordshire, Rudhall nr Ross-on-Wye | William Henry Purchas | IRGMA William Henry Purchas | 4/1852 30/6/1852 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Kenilworth Chase | Henry Bromwich | Botanical Exchange Club of The British Isles IRGMA Henry Bromwich | 4/1881 9/1881 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Wyken | Thomas Kirk | IRGMA | 25/4/1853 19/9/1853 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC40 Shropshire, Dawley | William Hunt Painter | Botanical Exchange Club of The British Isles IRGMA William Hunt Painter | 4/1894 7/1894 | LIV |