| Mentha gentilis var. wirtgeniana | GB, VC34 West Gloucestershire, Symonds Yat | Harry Joseph Riddelsdell Mary Louisa Wedgwood | J Fraser | 1925 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC34 West Gloucestershire, Symonds Yat | Edgar Wolston Bertram Handsley Milne-Redhead Noel Yvri Sandwith | J Fraser | 13/8/1933 | K |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Ross | Mary Louisa Wedgwood | J Fraser | 9/1926 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC41 Glamorganshire, Llangennith | Eleanor Vachell | J Fraser | 1934 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC43 Radnorshire, Erwood | William Charles Barton | Watson Botanical Exchange Club J Fraser William Charles Barton | 6/9/1920 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, Gloucestershire, Severn Bank | | John (Joannis) Fraser | 9/1878 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC37 Worcestershire, Arley Ferry | John (Joannis) Fraser | John (Joannis) Fraser | 9/1878 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC37 Worcestershire, Arley Ferry | | John (Joannis) Fraser William Hadden Beeby | 9/1878 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC39 Staffordshire, River Severn | | John (Joannis) Fraser | 9/1878 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Chobham | James Sykes Gamble | James Sykes Gamble | 9/1902 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Gwennap | Frederick Hamilton Davey | Frederick Hamilton Davey | 30/8/1911 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Columb Minor | Chambre Corker Vigurs | | 1/9/1905 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Sennan | Frederick Robert Tennant | | 8/1899 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Sennen | Frederick Robert Tennant | | 8/1897 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Wendron | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey | 9/9/1907 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Wendron | Frederick Hamilton Davey | Frederick Hamilton Davey | 9/9/1907 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC14 East Sussex, Lewes | James Herbert Augustus Jenner | James Herbert Augustus Jenner | 24/8/1877 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Alfold | S A | Croydon Natural History and Scientific Society Arthur Bennett | 8/1884 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Alfold | Arthur Bennett | Croydon Natural History and Scientific Society | 8/1884 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Friday Street | Cyril West | | 9/1950 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Guildford | S A | Croydon Natural History and Scientific Society Arthur Bennett | 8/1884 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield Marsh | Edward Charles Wallace | Edward Charles Wallace | 31/8/1929 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Woking | S A | Croydon Natural History and Scientific Society Arthur Bennett | 8/1883 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Bourn | Cyril West | | 9/1948 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Bourn | Cyril West | | 9/1948 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Gamlingay | Frederick Robert Tennant | | | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Gamlingay | Frederick Robert Tennant | | 7/1900 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC40 Shropshire, River Severn at Eaton Constantine | William Edmund Beckwith | Arthur Bennett | 1882 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC41 Glamorganshire, Gileston | Beverley Alan Miles | Beverley Alan Miles | 11/9/1954 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC60,VC69, Kirkby Londsdale | M Partington | Liverpool University | 9/1955 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, VCH12 Co. Wexford, Screen Hills | Nicholas F Stewart Rosemary Fitzgerald | | 14/9/1990 | DBN |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, VCH38 Co. Down, Bryansford Cultivated | Coslett Herbert Waddell | Watson Botanical Exchange Club Coslett Herbert Waddell | 8/1895 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC10 Isle of Wight, Newbridge | James Henry Augustus Steuart | John Durbin Gray | 9/1894 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC21 Middlesex, Pinner | Charles Baylis Green | Charles Baylis Green | 9/9/1908 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC58 Cheshire, Birkenhead | | Conrad Theodore Green | 1817 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC60 West Lancashire, River Lune | Eric Fairgrieve Greenwood | | 2/9/1989 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC14 East Sussex, Laughton | William Edward Nicholson | Arthur George Gregor William Edward Nicholson | 1/8/1914 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Ripon | Samuel Hailstone | John Stevens Henslow | | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Pensford | Henry Haselfoot Haines | | 6/8/1938 | ABS |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC37 Worcestershire, Worcester | Albert John Hambrough | Allan Octavian Hume Frederick Townsend | 8/1843 | SLBI |