| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Symonds Yat | Clifford Charles Townsend | Clifford Charles Townsend | 31/8/1950 | K |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Symonds Yat | Clifford Charles Townsend | Clifford Charles Townsend | 31/8/1950 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Dundry | George Henry Kendrick Thwaites | George Henry Kendrick Thwaites | 8/1846 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Agnes | H Radcliffe | Edgar Thurston | 9/1912 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Litton | Harold Stuart Thompson | Harold Stuart Thompson | 22/8/1935 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Litton | Harold Stuart Thompson | Botanical Exchange Club of The British Isles | 12/8/1935 to 22/8/1935 | K |
| Mentha rubra | GB, VC6 North Somerset, Chewton Mendip | Harold Stuart Thompson | Harold Stuart Thompson Rex Alan Henry Graham Arthur Langford Still | 12/8/1935 to 22/8/1935 | BIRM |
| Mentha rubra | GB, VC6 North Somerset, Churchill | Harold Stuart Thompson | Harold Stuart Thompson | 11/9/1920 | BIRM |
| Mentha rubra | GB, VC6 North Somerset, Litton | Harold Stuart Thompson | Harold Stuart Thompson | 22/8/1935 | BIRM |
| Mentha rubra | GB, VC6 North Somerset, Litton Upper Reservoir | Harold Stuart Thompson | Arthur Langford Still Harold Stuart Thompson | 12/8/1935 | BIRM |
| Mentha rubra | GB, VC6 North Somerset, Tyntesfield | Harold Stuart Thompson | Harold Stuart Thompson | 9/1918 | BIRM |
| Mentha rubra | GB, VC17 Surrey, Chobham | Job Edward Lousley | Watson Botanical Exchange Club Harold Stuart Thompson | 7/9/1930 | BIRM |
| Mentha rubra | GB, VC17 Surrey, Dorking | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Harold Stuart Thompson | 8/9/1928 | BIRM |
| Mentha rubra | GB, VC17 Surrey, North Holmwood | Arthur Langford Still | Harold Stuart Thompson | 2/9/1935 | BIRM |
| Mentha rubra | GB, VC35 Monmouthshire, Tintern | Harold Stuart Thompson Job Edward Lousley | Harold Stuart Thompson | 7/1933 | BIRM |
| 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, VC64 Mid-west Yorkshire, Settle | John Tatham | John Tatham | | ABS |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, North Holmwood | Arthur Langford Still | | 2/9/1935 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Kew Cultivated GB, VC6,VC34, Bristol | | | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Bath Cultivated | William Sole | Samuel Goodenough | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, Somerset | William Sole | | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, Somerset | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC34 West Gloucestershire, Lydney | Herbert Kenneth Airy Shaw | | 29/8/1945 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC34 West Gloucestershire, Golden Valley | Cecil Ivry Sandwith Noel Yvri Sandwith | | 11/9/1933 | K |
| 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, VC46 Cardiganshire, Mount | Cecil Ivry Sandwith Noel Yvri Sandwith | | 9/9/1932 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield | Ernest Stanley Salmon | Croydon Natural History and Scientific Society Ernest Stanley Salmon Henry Franklin Parsons | 17/9/1896 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Leith Hill | Charles Edgar Salmon | Croydon Natural History and Scientific Society Charles Edgar Salmon | 30/9/1899 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Newdigate | Charles Edgar Salmon | Charles Edgar Salmon | 15/9/1905 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield | Charles Edgar Salmon | Charles Edgar Salmon | 8/1899 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Send | Charles Edgar Salmon | Croydon Natural History and Scientific Society Charles Edgar Salmon | 9/9/1899 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Wey Navigation, South End | Charles Edgar Salmon | Charles Edgar Salmon Charles Edgar Salmon | 9/9/1899 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Bourn | Albert John Crosfield | Watson Botanical Exchange Club Arthur Bennett Charles Edgar Salmon | 30/9/1916 | CGE |
| Mentha rubra | GB, VC55 Leicestershire, Thurcaston | G Robson | George Stephen West | 1878 | BIRM |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC5 South Somerset, Hestercombe | Laurence Athelstan Molesworth Riley | Laurence Athelstan Molesworth Riley Riley | 4/10/1906 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC5 South Somerset, Kingston | Laurence Athelstan Molesworth Riley | Laurence Athelstan Molesworth Riley | 26/9/1906 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC33 East Gloucestershire, Compton Abdale | Harry Joseph Riddelsdell | | 11/9/1919 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC33 East Gloucestershire, Compton Abdale | Harry Joseph Riddelsdell | | 11/9/1919 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Harry Joseph Riddelsdell | 9/1877 | K |
| 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 |