| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC36 Herefordshire, Dinedor | Francis Morland Day | | 5/9/1947 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Stoke Gabriel | Francis Morland Day | | 11/9/1938 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Kingskerswell | Francis Morland Day Thomas Stephenson | | 12/8/1940 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Compton Dando | Henry Francois Devis | | 27/8/1916 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC36 Herefordshire, Ledbury, Underdown Cultivated | Spencer Henry Bickham | Edward Francis Linton George Claridge Druce Spencer Henry Bickham | 10/8/1905 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC19 North Essex, Little Maplestead | George Claridge Druce | Botanical Exchange Club of The British Isles | 8/1905 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC89 East Perthshire, Tayside | George Claridge Druce | Botanical Exchange Club of The British Isles George Claridge Druce | 8/1911 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC19 North Essex, Little Maplestead | George Claridge Druce | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 8/1905 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC33 East Gloucestershire, Compton Abdale | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles Charles Edgar Salmon George Claridge Druce Joseph Edward Little | 11/9/1919 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, VCH12 Co. Wexford, Kildavin Bridge | Rosemary Fitzgerald | | 15/9/1991 | DBN |
| Mentha arvensis x aquatica x spicata = M. x smithiana | IE, VCH12 Co. Wexford, Killowen | Rosemary Fitzgerald | | 22/9/1991 | DBN |
| 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, VC19 North Essex, Abberton | Stanley Thomas Jermyn | | 9/1955 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC85 Fifeshire, Dunfermline | Deane | | 8/1845 | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC14 East Sussex, Lewes | James Herbert Augustus Jenner | | 8/1882 | LIV |
| 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, VC17 Surrey, Albury | J Fraser | Watson Botanical Exchange Club J Fraser Job Edward Lousley | 20/8/1931 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | J Fraser | Watson Botanical Exchange Club J Fraser | 20/9/1931 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Chobham | Job Edward Lousley | Watson Botanical Exchange Club J Fraser | 7/9/1930 | 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, VC17 Surrey, Brook | J Fraser | J Fraser | 21/9/1902 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC13 West Sussex, Billingshurst | Alfred Webster | J Fraser | 9/1904 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield | J Fraser | J Fraser | 10/9/1916 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC12 North Hampshire, Fleet | G A R Watts | J Fraser | 10/9/1934 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Albury | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace J Fraser | 7/9/1929 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Cobham | J Fraser | J Fraser | 10/1916 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | VC17, Limpsfield | J Fraser | J Fraser | 27/8/1906 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, West End Common | J Fraser | J Fraser | 17/9/1916 | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC7 North Wiltshire, Aldbourne | Emily Sophia Todd | J Fraser | 1/9/1927 | 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 arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Dorking, Stonebridge | J Fraser | J Fraser | 4/9/1921 | 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, Gloucestershire, Severn Bank | | John (Joannis) Fraser | 9/1878 | K |
| 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 | Lijenne-migit | H Sua | Jacques Étienne Gay William Jackson Hooker | 1817 | K |
| 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, 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 | IE, VCH12 Co. Wexford, Screen Hills | Nicholas F Stewart Rosemary Fitzgerald | | 14/9/1990 | DBN |