| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | John Tatham | John Tatham | | ABS |
+ | Mentha gentilis var. wirtgeniana | GB, VC64 Mid-west Yorkshire, Settle | Henry Ibbotson John Bland Wood | Charles Bailey John Hardy | 1841 | MANCH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Ripon | Samuel Hailstone | John Stevens Henslow | | CGE |
| Mentha rubra | GB, VC63 South-west Yorkshire, Sheffield | | Robert Large Baker | 1872 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC60 West Lancashire, River Lune | Eric Fairgrieve Greenwood | | 2/9/1989 | LIV |
+ | Mentha gentilis var. wirtgeniana | GB, VC60 West Lancashire, Mitton | James Alfred Wheldon | Botanical Exchange Club of The British Isles | 8/1899 | MANCH |
+ | Mentha gentilis var. wirtgeniana | GB, VC59 South Lancashire, Worsley | John Barrow | Charles Bailey | 11/8/1866 | MANCH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC58 Cheshire, Newchurch | William Wilson | John Stevens Henslow | 11/1826 | CGE |
+ | Mentha gentilis var. wirtgeniana | GB, VC58 Cheshire, Birkenhead,Upton | J Skellon | Charles Bailey John Harbord Lewis | 9/1850 | MANCH |
| 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, VC57 Derbyshire, Shirley | William Richardson Linton | | 29/8/1887 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC57 Derbyshire, Shirley Cultivated | | Botanical Exchange Club of The British Isles Allan Octavian Hume William Richardson Linton | 8/1890 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC57 Derbyshire, Shirley Cultivated | | Botanical Exchange Club of The British Isles Lester Vallis Lester-Garland William Richardson Linton | 8/1890 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC57 Derbyshire, Osmaston | | | 8/10/1887 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC57 Derbyshire, Bakewell | Bowman | | 1833 | LIV |
| Mentha rubra | GB, VC55 Leicestershire, Thurcaston | G Robson | George Stephen West | 1878 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC50,VC51, Rhyl | Eliza Potts | Grosvenor Museum Chester Eliza Potts | 1842 | LIV |
| Mentha rubra | GB, VC47 Montgomeryshire, Machynlleth | Augustin Ley | Augustin Ley | 30/8/1875 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC47 Montgomeryshire, Glan Hafren | | Charles Cardale Babington | 8/1871 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC47 Montgomeryshire, Cilcewydd | Clifford Charles Townsend | | 8/9/1987 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC47 Montgomeryshire, Cilcewydd | Clifford Charles Townsend | | 8/9/1987 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC46 Cardiganshire, Mount | Cecil Ivry Sandwith Noel Yvri Sandwith | | 9/9/1932 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC46 Cardiganshire, Aberystwyth, Dorglwyd | Job Edward Lousley | Job Edward Lousley | 28/8/1935 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC43 Radnorshire, Michaelchurch on Arrow | Elisabeth Hore | | 9/1950 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC43 Radnorshire, Erwood | William Charles Barton | Watson Botanical Exchange Club William Charles Barton | 6/9/1920 | SLBI |
| 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 rubra | GB, VC43 Radnorshire, Erwood | William Charles Barton | Watson Botanical Exchange Club Harold Stuart Thompson William Charles Barton | 6/9/1920 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC42 Breconshire, River Cynon | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles | 9/1901 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC42 Breconshire, Hirwaun | Harry Joseph Riddelsdell | Allan Octavian Hume | 9/1901 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC42 Breconshire, Hirwaun | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Lester Vallis Lester-Garland | 9/1901 | K |
| Mentha rubra | GB, VC42 Breconshire, Hirwaun | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Augustin Ley | 9/1901 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC42 Breconshire, Brecon | Arthur Hugh Garfit Alston Noel Yvri Sandwith | | 9/1932 | 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, VC41 Glamorganshire, Llangennith | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 11/8/1934 | SLBI |
| 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, VC41 Glamorganshire, Aberdare GB, VC42 Breconshire, Hirwaun | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles | 9/1901 | ABS |
| 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, VC40 Shropshire, Meole Brace | James Cosmo Melvill | Botanical Exchange Club of The British Isles | 8/1906 | LIV |
| 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, VC37,VC38, Astwood Bank | Clifford Charles Townsend | Clifford Charles Townsend | 5/9/1953 | K |