| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Cedric Bucknall | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Arthur Bennett J Fraser | 8/9/1919 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Ida Mary Roper | Ida Mary Roper | 27/8/1919 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Ida Mary Roper | Ida Mary Roper | 29/8/1919 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | James Walter White | Botanical Exchange Club of The British Isles | 4/10/1923 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, Somerset, Cutcombe | Mason | Druce Herbarium, Oxford | 23/8/1928 | OXF |
| Mentha x cardiaca | GB, VC7 North Wiltshire, Bradford | William Sole | | 1772 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC8 South Wiltshire, Bedwyn Brail | Patrick Martin Hall | Patrick Martin Hall | 18/9/1938 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC8 South Wiltshire, Bedwyn Brail | Cecil Prescott Hurst | Druce Herbarium, Oxford | 14/7/1922 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC8 South Wiltshire, Mere Cultivated | W Herridge | | | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Watson Botanical Exchange Club Edward Francis Linton George Claridge Druce | 20/9/1903 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC9 Dorset, Swanage | Richard Charles L'Estrange Burges | Druce Herbarium, Oxford | 1938 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC10 Isle of Wight, Binstead | Mary Louisa Wedgwood | Druce Herbarium, Oxford | 1908 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Patrick Martin Hall | Patrick Martin Hall | 26/8/1934 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Swaythling | John Frederick Rayner | | | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC12 North Hampshire, Biddesden | George Claridge Druce | | 10/1925 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC13 West Sussex, Bexley Hill | Edward Charles Wallace | | 22/8/1948 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC13 West Sussex, Kingsley Green | Alfred Webster | Charles Edgar Salmon Frederic Stratton | 23/9/1912 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC14 East Sussex, Danehill | Arthur Langford Still | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Edward Charles Wallace | 8/9/1926 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC14 East Sussex, Groomsbridge | Richard Charles Palmer | Druce Herbarium, Oxford | 9/1956 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC14 East Sussex, Haywards Heath | Richard Charles Palmer | Oxford University Herbarium | 1958 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC14 East Sussex, Haywards Heath | R C Palmer | Druce Herbarium, Oxford | 1955 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC14 East Sussex, Sheepscote Valley | Richard Charles Palmer | Druce Herbarium, Oxford | 14/8/1953 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC16 West Kent, Lamberhurst | John Richard Wallis | Druce Herbarium, Oxford | 8/1938 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, Kent | William John Blake | | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Broadham Green | Charles Edward Britton | Charles Edward Britton | 15/8/1932 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Chiddingfold | Edmund Browne Bishop | Druce Herbarium, Oxford | | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Chiddingfold | George Claridge Druce | George Claridge Druce | 5/1920 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Chiddingfold | Job Edward Lousley | | 30/9/1933 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Chiddingfold | | | 2/8/1936 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | | | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC17 Surrey, Croydon | Arthur Bennett | Arthur Bennett | 8/1878 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Ewhurst | Edward Charles Wallace | Botanical Exchange Club of The British Isles | 22/9/1935 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Friday Street | J Fraser | Botanical Exchange Club of The British Isles J Fraser | 28/8/1927 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Gomshall Cultivated | J J | | 8/1870 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Holmwood | | Henry Elliott Fox J Fraser J G William Hadden Beeby | 20/8/1885 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Holmwood Common | Edward Charles Wallace | Edward Charles Wallace | 1/9/1934 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Druce Herbarium, Oxford J Fraser John Gilbert Baker | 8/1866 | OXF |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC17 Surrey, Friday Street GB, VC17 Surrey, Kew Cultivated | J Fraser | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser | 24/8/1929 13/9/1929 | OXF |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC17 Surrey, Friday Street GB, VC17 Surrey, Kew Cultivated | J Fraser | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser | 30/8/1930 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC17 Surrey, Kew Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser | 13/8/1928 to 19/8/1929 | OXF |