| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Prestbury Cultivated | Charles Bailey | Albert Thellung | 20/9/1913 to 23/9/1913 | CGE |
| Mentha piperita var. piperita | GB, VC78 Peeblesshire, Kittlegairy Hill | Charles Bailey | Botanical Exchange Club of The British Isles | 27/9/1898 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | IE, VCH33 Fermanagh, Lough Erne | John Ball | | 1837 | CGE |
| Salix aurita x repens = S. x ambigua | GB, VC90 Angus, Glen Isla | John Ball | Charles Cardale Babington | 7/1838 | CGE |
| Salix cinerea x aurita = S. x multinervis | GB, VC17 Surrey, Reigate Heath | William Hadden Beeby | | 6/4/1884 to 27/7/1884 | CGE |
| Salix cinerea x aurita = S. x multinervis | GB, VC17 Surrey, Pirbright | William Hadden Beeby | | 11/5/1884 28/9/1884 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC57 Derbyshire, Wirksworth Quarries | William Bell | Botanical Exchange Club of The British Isles Charles Edgar Salmon Edward Shearburn Marshall Spencer Henry Bickham | 9/1908 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC57 Derbyshire, Wirksworth Quarries | William Bell | Botanical Exchange Club of The British Isles | 9/1908 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC83 Midlothian, Duddingston | Charles Morgan Lemann | Charles Morgan Lemann | 8/6/1832 | CGE |
| Salix fragilis | GB, VC40 Shropshire, Pitmoor Pool | Miles Joseph Berkeley | | 15/6/1829 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | | 20/9/1918 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | Spencer Henry Bickham | Spencer Henry Bickham | 6/10/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 20/8/1909 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Old Storridge | Richard Francis Towndrow | Spencer Henry Bickham William Richardson Linton | 1/9/1902 | CGE |
| Mentha aquatica x spicata = M. x piperita | IE, VCH39 Co. Antrim, Carnmoney | Coslett Herbert Waddell | Watson Botanical Exchange Club Coslett Herbert Waddell Spencer Henry Bickham | 8/1895 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Hale | Spencer Henry Bickham | Spencer Henry Bickham | 9/8/1868 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 21/8/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | Spencer Henry Bickham | Spencer Henry Bickham | 6/10/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Hale | Spencer Henry Bickham | Spencer Henry Bickham | 9/8/1868 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC31 Huntingdonshire, Huntingdon Cultivated | Edward Walter Hunnybun | Spencer Henry Bickham | 22/9/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 16/9/1915 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Hale | Spencer Henry Bickham | Spencer Henry Bickham | 9/8/1868 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Hale | Spencer Henry Bickham | Spencer Henry Bickham | 8/8/1868 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 13/9/1913 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 22/9/1918 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 20/9/1918 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw | Spencer Henry Bickham | Spencer Henry Bickham | 13/9/1913 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | North Wales | William Peete | Spencer Henry Bickham | 1844 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 4/10/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | Spencer Henry Bickham | Spencer Henry Bickham | 5/10/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | William Curnow | Henry & James Groves Spencer Henry Bickham | 8/1882 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC5 South Somerset, Minehead | Spencer Henry Bickham | Spencer Henry Bickham | 3/9/1895 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Gwennap | Frederick Hamilton Davey Spencer Henry Bickham | Spencer Henry Bickham | 1/10/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Old Storridge | Spencer Henry Bickham | Spencer Henry Bickham | 1/9/1902 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey Spencer Henry Bickham | 16/9/1911 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC4 North Devon, Lynton | Spencer Henry Bickham | Spencer Henry Bickham | 17/9/1902 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Hanley Castle | Richard Francis Towndrow | Spencer Henry Bickham | 10/9/1903 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Spencer Henry Bickham | 28/9/1915 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC9 Dorset, Edmonsham Cultivated | Edward Francis Linton | Spencer Henry Bickham | 15/9/1909 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC62 North-east Yorkshire, Robin Hood's Bay | Spencer Henry Bickham | Spencer Henry Bickham | 4/9/1905 | CGE |