| Mentha arvensis x spicata = M. x gracilis | GB, VC55 Leicestershire, Worthington | William Henry Purchas | Burton Mounsher Watkins Spencer Henry Bickham | 9/1861 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC10 Isle of Wight, Totland | Charles Waterfall | Charles Waterfall | 7/1899 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC65 North-west Yorkshire, Aske Wood | James Ward | | 9/9/1835 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC65 North-west Yorkshire, Easby | James Ward | John Stevens Henslow | 4/5/1842 16/7/1842 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/9/1831 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | | 8/1841 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 25/3/1842 9/4/1842 22/4/1842 21/6/1842 9/7/1842 23/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 7/4/1842 9/7/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 9/4/1842 27/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Stevens Henslow | 11/5/1842 to 8/6/1842 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Cambridge | Edmund Frederick Warburg | | 1/5/1932 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Cambridge | Edmund Frederic Warburg | | 1/5/1932 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC29 Cambridgeshire, Chesterton | Edmund Frederic Warburg | | 7/1932 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC29 Cambridgeshire, Langley Wood | Edmund Frederic Warburg | Botanical Society & Exchange Club of The British Isles | 9/6/1932 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Fordham | Stuart Max Walters | | 16/9/1949 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC59 South Lancashire, Maghull | Stuart Max Walters | | 27/9/1955 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC55 Leicestershire, South Croxton | Arthur Reginald Horwood | Botanical Exchange Club of The British Isles Joseph Edward Little Arthur Edward Wade | 24/4/1916 28/5/1916 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Goonhavern | Chambre Corker Vigurs | | 1/9/1912 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Davidstow | Chambre Corker Vigurs | | 29/9/1906 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC29 Cambridgeshire, Fulbourn | Thomas Gaskell Tutin | | 5/1932 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC29 Cambridgeshire, Doddington | Clifford Charles Townsend | Clifford Charles Townsend | 17/8/1955 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC37 Worcestershire, Malvern | Richard Francis Towndrow | Set of British Willows | 3/5/1894 13/8/1894 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC37 Worcestershire, Malvern | Richard Francis Towndrow | Set of British Willows | 3/5/1894 13/8/1894 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC37 Worcestershire, Malvern Link | Richard Francis Towndrow | Set of British Willows | 21/4/1894 6/8/1894 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC28 West Norfolk, Hockwold | Frederick Robert Tennant | | 1905 | CGE |
| Salix aurita x repens = S. x ambigua | GB, VC81 Berwickshire, Lurgie Loch | | J Tempere | 5/1875 8/1875 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | | 10/8/1940 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC5 South Somerset, Minehead | Henry Oxley Stephens | | 1841 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC26 West Suffolk, Mildenhall | Miriam Southwell | | 25/7/1955 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC26 West Suffolk, Mildenhall | Miriam Southwell | | 25/7/1956 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC13 West Sussex, Hurst Mill | Gerard Edwards Smith | Spencer Henry Bickham | 1840 | CGE |
| Salix aurita x repens = S. x ambigua | GB, VC108 West Sutherland, Ard Skinid | William Andrew Shoolbred | | 23/7/1900 | CGE |
| Salix fragilis x alba = S. x rubens | GB, Essex Cultivated | John Ewbank Leefe | | 28/4/1868 26/4/1869 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC20 Hertfordshire, Radwell | Joseph Edward Little | Joseph Edward Little | 4/8/1921 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC25 East Suffolk, Wolsey Bridge | J Gina Murrell Peter Derek Sell | | 1/10/1991 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC26 West Suffolk, Tuddenham | Peter Derek Sell | | 7/8/1967 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, East Somerton | Peter Derek Sell | | 30/7/1962 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Winterton | Peter Derek Sell | | 31/7/1961 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC28 West Norfolk, Castle Rising | Christopher David Preston Peter M Hollingsworth | | 17/5/1993 | CGE |
| Salix caprea x cinerea = S. x reichardtii | GB, VC28 West Norfolk, Croxton | Peter Derek Sell | | 15/7/1986 | CGE |