| Mentha aquatica x spicata = M. x piperita | GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | J Fraser | 17/9/1927 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Green Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | J Fraser | 22/7/1920 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC97 West Inverness-shire, Arisaig | George Claridge Druce | George Claridge Druce | 8/1908 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC98 Argyllshire, Ballachulish | Edmund Frederic Warburg | Druce Herbarium, Oxford Edmund Frederic Warburg | 28/8/1947 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC98 Argyllshire, Ballachulish | Edmund Frederic Warburg | Druce Herbarium, Oxford | 28/8/1947 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC104 North Ebudes, Glen Sligachan | George Claridge Druce | | 6/1910 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC111 Orkney, Stenness | Henry Halcro Johnston | | 18/10/1922 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC112 Shetland, Bay of Scousburgh | George Claridge Druce | | 8/1924 | OXF |
| Mentha aquatica x spicata = M. x piperita | IE, VCH1 South Kerry, Kenmare | George Claridge Druce | Druce Herbarium, Oxford | 1927 | OXF |
| Mentha aquatica x spicata = M. x piperita | IE, Kerry, Dingle | George Claridge Druce | George Claridge Druce | 9/1906 | OXF |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC47 Montgomeryshire, Pen-y-bont-fawr | H J Killick | Druce Herbarium, Oxford | 20/8/1999 | OXF |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC57 Derbyshire, Shirley Cultivated | | Botanical Exchange Club of The British Isles William Richardson Linton | 2/9/1898 | OXF |
| Mentha arvensis x spicata = M. x gracilis | | William Sole | Druce Herbarium, Oxford William John Blake | | OXF |
| Mentha arvensis x spicata = M. x gracilis | | John Hutton Balfour | Druce Herbarium, Oxford John Hutton Balfour | | OXF |
| Mentha arvensis x spicata = M. x gracilis | | Hanstead | George Claridge Druce William Sole | | OXF |
| Mentha arvensis x spicata = M. x gracilis | | | | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Crantock | George Claridge Druce | | 8/1908 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Hick's Mill, Gwennap | Frederick Hamilton Davey | Frederick Hamilton Davey Henry Elliott Fox | 30/8/1911 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Hick's Mill, Gwennap | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey George Claridge Druce | 30/8/1911 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Saint Ives | William Curnow | Druce Herbarium, Oxford | 9/1878 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Davidstow | Chambre Corker Vigurs | George Claridge Druce | 29/9/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Liskeard | Todd | Todd George Claridge Druce | 1920 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Looe | | Druce Herbarium, Oxford George Claridge Druce J Fraser | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Looe | Arthur Langford Still | | 8/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Tregawne, Withiel | Richard Vercoe Tellam | Druce Herbarium, Oxford | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Bovey Tracey | Todd | | 1920 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Exeter | George Claridge Druce | | 8/1908 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Meavy | William Booth Waterfall | | 15/7/1878 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC4 North Devon, Belstone | | | 9/1904 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC5 South Somerset, Cutcombe | G Amherst | | 14/9/1928 | 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 arvensis x spicata = M. x gracilis | GB, VC13 West Sussex, Bexley Hill | Edward Charles Wallace | | 22/8/1948 | 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 arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Broadham Green | Charles Edward Britton | Charles Edward Britton | 15/8/1932 | 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 arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Kew Gardens | John Gilbert Baker | | 8/1866 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Leith Hill | Edward Charles Wallace | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford Edward Charles Wallace | 6/8/1934 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Pyrford | George Claridge Druce | | 1920 | OXF |