| Mentha arvensis x aquatica x spicata = M. x smithiana | | | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | | William Sole | Forsyth George Bentham | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | | | Forsyth George Bentham William Sole | | 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 Hudson William Sole | Carlisle Museum Herbarium 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, VC10 Isle of Wight, Shide | | E H Metcalf | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC13 West Sussex, Henfield | William Borrer | Charles Cardale Babington | | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Holmwood Common | | E H Metcalf | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Woking | William Borrer | Charles Cardale Babington | | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC21 Middlesex, Mill Hill | | | | LIV |
| 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, VC17 Surrey, Kew Cultivated GB, VC6,VC34, Bristol | | | | 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, VC64 Mid-west Yorkshire, Settle | John Tatham | John Tatham | | ABS |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC83 Midlothian, Hawthornden | | Royal Botanic Garden, Edinburgh | | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, VCH5 East Cork, South Bride | Thomas Wright | National Museum Ireland Alexander Goodman More | | DBN |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, Cork, Inniscarra | | | | K |
+ | Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Sellack | Augustin Ley | | | MANCH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | Lijenne-migit | H Sua | Jacques Étienne Gay William Jackson Hooker | 1817 | K |
| 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, VC58 Cheshire, Newchurch | William Wilson | John Stevens Henslow | 11/1826 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC57 Derbyshire, Bakewell | Bowman | | 1833 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Langridge | | Charles Cardale Babington | 8/1833 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | John Howson | John Stevens Henslow | 8/1833 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | John Howson | John Stevens Henslow | 8/1833 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC33 East Gloucestershire, Wyck Rissington | | Charles Cardale Babington | 15/8/1833 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC81 Berwickshire, Whiteadder | Charles Cardale Babington | Royal Botanic Garden, Edinburgh | 8/1834 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC81 Berwickshire, River Whiteadder | | Charles Cardale Babington | 19/8/1834 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC83 Midlothian, Hawthornden | | Royal Botanic Garden, Edinburgh | 24/8/1835 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC66 County Durham, Durham | Joseph Woods | Frederick Townsend | 27/8/1838 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | | George Cheetham Churchill John Tatham | 9/1838 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | George Crozier | Spencer Henry Bickham | 1841 | CGE |
+ | 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, VC10 Isle of Wight, Calbourne | | William Arnold Bromfield William Jackson Hooker | 2/9/1841 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC50,VC51, Rhyl | Eliza Potts | Grosvenor Museum Chester Eliza Potts | 1842 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Woking | William Borrer | Charles Cardale Babington | 8/1842 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC37 Worcestershire, Worcester | A Hamburgh | Allan Octavian Hume Frederick Townsend | 8/1842 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC64 Mid-west Yorkshire, Settle | | George Cheetham Churchill John Tatham | 9/1842 | K |