| Mentha aquatica x spicata = M. x piperita | GB, VC16 West Kent, Chelsfield Cultivated | William Henry Griffin | Allan Octavian Hume | 27/8/1904 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC16 West Kent, Crayford | Isaac A Helsby | Isaac A Helsby | 16/6/1925 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | 19/9/1930 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 10/9/1933 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | William Hadden Beeby | William Hadden Beeby | 21/8/1885 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Rowland John Burdon | Isaac A Helsby | 13/9/1930 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Job Edward Lousley | Job Edward Lousley | 30/9/1933 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | J Fraser | | 1/1934 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Job Edward Lousley | Job Edward Lousley | 15/9/1935 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Job Edward Lousley | Job Edward Lousley | 30/9/1933 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | William Hadden Beeby | 1888 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | William Hadden Beeby | 1888 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Friday Street | Job Edward Lousley | Job Edward Lousley | 2/9/1934 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Friday Street | S A Chambers | S A Chambers | 8/1929 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Gomshall Marsh | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Job Edward Lousley | 18/9/1928 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Gomshall Marsh | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 15/9/1928 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Holmwood | William Hadden Beeby | William Hadden Beeby | 27/8/1884 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Holmwood | William Hadden Beeby | William Hadden Beeby | 20/8/1885 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | Watson Botanical Exchange Club Job Edward Lousley | 8/8/1928 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | Watson Botanical Exchange Club | 28/8/1926 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Cultivated GB, VC34 West Gloucestershire, Alveston | J Fraser | J Fraser | 14/8/1924 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | Watson Botanical Exchange Club | 28/8/1926 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew | J Fraser | Botanical Exchange Club of The British Isles J Fraser Job Edward Lousley | 3/9/1928 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Cultivated GB, VC93 North Aberdeenshire, New Aberdour | J Fraser | Watson Botanical Exchange Club | 8/8/1928 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Leigh | William Hadden Beeby | William Hadden Beeby | 12/8/1883 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Leith Hill | Charles Edgar Salmon William Richardson Linton | Croydon Natural History and Scientific Society Charles Edgar Salmon | 30/9/1899 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Leith Hill | Charles Edgar Salmon | Croydon Natural History and Scientific Society Charles Edgar Salmon | 30/9/1899 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Mitcham | | British Museum (Natural History) C E Sage | 20/8/1924 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Norwood Cultivated | W G Archer | | 7/9/1922 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Oxted | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 10/9/1932 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Oxted | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Job Edward Lousley | 10/9/1932 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Oxted | Job Edward Lousley | Job Edward Lousley | 26/8/1933 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Wotton | Edward Charles Wallace | Edward Charles Wallace Job Edward Lousley | 20/9/1920 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC19 North Essex, Dovercourt | William Robert Sherrin | William Robert Sherrin | 8/1904 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Brickendon Green | Arthur William Graveson | Job Edward Lousley | 8/1919 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Northaw Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 22/9/1918 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Northaw Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham William Robert Sherrin | 16/9/1915 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Northaw Cultivated | Spencer Henry Bickham | William Robert Sherrin | 13/9/1913 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Kew Cultivated GB, VC20 Hertfordshire, Northaw | J Fraser | Watson Botanical Exchange Club J Fraser Job Edward Lousley | 30/8/1933 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Northaw | | Arthur William Graveson | 8/1921 | SLBI |