| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Fersfield | Kirby Trimmer | Oxford University Herbarium | 8/1859 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Hemblington | Kirby Trimmer | Oxford University Herbarium | 8/1861 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Thurgarton | Kirby Trimmer | Oxford University Herbarium | 8/1857 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Holme Hale | Kirby Trimmer | Oxford University Herbarium | 7/1863 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Beausale Common | Robert Large Baker | Oxford University Herbarium | 8/1878 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC54 North Lincolnshire, Woodhall Spa | Frank Simpson Alston | | 1917 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Haymesgarth Cultivated | Charles Bailey | Botanical Society & Exchange Club of The British Isles Charles Bailey | 10/9/1915 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Prestbury | Charles Bailey | | 23/9/1913 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Knutsford,Tabley Park | Charles Bailey | George Claridge Druce | 15/9/1900 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC63 South-west Yorkshire, Doncaster | John Hardy | John Hardy Charles Bailey | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC78 Peeblesshire, Kittlegairy Hill | Charles Bailey | | 27/9/1898 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC78 Peeblesshire, Peebles | Charles Bailey | Botanical Exchange Club of The British Isles Charlotte Ellen Palmer George Claridge Druce | 27/9/1898 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Kew Gardens | John Gilbert Baker | | 8/1866 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Kew Gardens Cultivated | John Gilbert Baker | | 9/1868 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC84 West Lothian, Linlithgow | | Isaac Bayley Balfour | 12/9/1871 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC22 Berkshire, Cothill | Percival George Beak | Percival George Beak | 15/8/1932 | OXF |
| 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 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Priddy Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 15/8/1909 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 13/9/1913 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 13/9/1913 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, Kent | William John Blake | | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC22 Berkshire, Oxford | Henry Boswell | | 3/9/1857 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Wootton | Henry Boswell | Henry Boswell | 9/9/1867 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | Henry Boswell | Henry Boswell | | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC23 Oxfordshire, Shotover Hill | | Henry Boswell | 9/1861 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, Norfolk Cultivated | John Thomas Irvine Boswell-Syme | | 9/1870 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Huntley Common? | Henry Bromwich | James Cunnack | 9/1878 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC19 North Essex, Colchester | George Charles Brown | Botanical Exchange Club of The British Isles | 9/8/1925 16/8/1925 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Burgh Saint Margaret | Rowland John Burdon | | 25/8/1926 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Netherton | Margaret Corstorphine Robert Henry Corstorphine | R & M Corstorphine | 26/9/1926 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Glamis | Arthur Langford Still Robert Henry Corstorphine | Edward Charles Wallace | 19/8/1937 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC64 Mid-west Yorkshire, Baildon | John Cryer | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford John Cryer | 8/8/1917 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC64 Mid-west Yorkshire, Hawksworth | John Cryer | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford John Cryer | 14/8/1925 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Carbis Bay | William Curnow | | 9/1878 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Lizard Cultivated | William Curnow | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Mount's Bay | William Curnow | | 9/1878 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Perranarworthal | Frederick Hamilton Davey | | 4/9/1911 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | George Claridge Druce | George Claridge Druce | 8/1908 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Crantock | George Claridge Druce | | 8/1908 | OXF |