| Mentha aquatica x spicata = M. x piperita | GB, VC83 Midlothian, Haughhead | | University of Exeter | 6/10/1934 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC83 Midlothian, Loganbank | | University of Exeter | 13/10/1934 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC83 Midlothian, Loganbank | | University of Exeter | 13/10/1934 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC85 Fifeshire, Lundin Links | Alexander Somerville | Royal Botanic Garden, Edinburgh Alexander Somerville | 29/8/1890 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Glen Farg | Joseph Dickinson | Liverpool University Joseph Dickinson | 1834 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC88 Mid Perthshire, Glen Lyon | | | 1891 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, Aberdeenshire | F C King | | 8/1880 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC1 West Cornwall, Sennen | William Curnow | | 9/1878 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Dawlish | | | 20/9/1937 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC4 North Devon, Belstone | | University of Exeter | 12/7/1937 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC4 North Devon, Belstone | Arthur Langford Still | University of Exeter | 29/7/1937 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC4 North Devon, Sticklepath | | University of Exeter | 9/7/1937 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC9 Dorset, Bloxworth | | | 28/8/1893 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC9 Dorset, Henbury Hill | Edward Francis Linton | Edward Francis Linton | 28/9/1891 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Alfold | Arthur Bennett | Royal Botanic Garden, Edinburgh Arthur Bennett | 8/1884 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Coldharbour | Robert Edwin Christopher Ferreira | | 6/1948 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Gomshall Marsh | Job Edward Lousley | Job Edward Lousley | 2/9/1934 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Holmwood Common | Edward Charles Wallace | RNG Edward Charles Wallace | 17/8/1932 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Moulsey | Eyre Champion de Crespigny | | 1887 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Wimbledon Common | Charles Edward Britton | Charles Edward Britton | 8/1911 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stoke Newington | | | 7/1848 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC35 Monmouthshire, Redbrook | Augustin Ley | | 2/8/1891 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Doward | William Richardson Linton | | 2/9/1899 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Botanical Exchange Club of The British Isles | 7/9/1906 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Great Doward | Edward Francis Linton | | 8/7/1896 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC38 Warwickshire, Thurlaston | | | 5/9/1843 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Llyn nr. Oswestry | Vera Gordon | | 18/8/1957 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC40 Shropshire, Shrewsbury | James Cosmo Melvill | Botanical Society & Exchange Club of The British Isles James Cosmo Melvill | 17/8/1916 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Aberdare | Harry Joseph Riddelsdell | | 9/1899 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC43 Radnorshire, Newbridge on Wye | M Hildred Bigwood | M Hildred Bigwood | 27/7/1976 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC45 Pembrokeshire, Newport | Robert Brian Ivimey-Cook | | 4/7/1940 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC49 Caernarvonshire, Abersoch | | C K Jones-Parry | 8/1944 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC49 Caernarvonshire, Llanfairfechan | | | 14/7/1908 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50 Denbighshire, Llandulas | | | 20/8/1914 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50 Denbighshire, Llangollen | M Hildred Bigwood | M Hildred Bigwood | 28/7/1954 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50 Denbighshire, Trevor | Vera Gordon | | 29/8/1954 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC51 Flintshire, Nant-y-Flint | Conrad Theodore Green | Conrad Theodore Green | 30/8/1894 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50,VC51, Moel Fammau | M E M Atkinson | | 16/8/1959 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC50,VC51, Rhyl | Eliza Potts | Grosvenor Museum Chester Eliza Potts | | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC52 Anglesey, Benllech | M Hildred Bigwood | | 9/1952 | LIV |