| Mentha arvensis x spicata = M. x gracilis | GB, VC20 Hertfordshire, Hertford | William Higgins Coleman | Charles Cardale Babington | | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC21 Middlesex, Wembley Cultivated | Albert Bruce Jackson | | 6/1910 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | J Gray | John Durbin Gray | 1830 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | J Gray | J Gray John Durbin Gray | 1830 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Shotover | George Claridge Druce | | 10/1889 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC22,VC23, Oxford | | George Claridge Druce | 9/1885 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC29 Cambridgeshire, Cambridge | M J Dalton | | 1/8/1958 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Cleeve Hill Cultivated | Charles Bailey | Watson Botanical Exchange Club Spencer Henry Bickham | 14/8/1911 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Cleeve Hill Cultivated | Charles Bailey | Watson Botanical Exchange Club | 14/8/1911 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Cleeve Hill Cultivated | Charles Bailey | Watson Botanical Exchange Club Edward Francis Linton Joseph Edward Little | 21/9/1915 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Cleeve Hill,Haymesgarth | Charles Bailey | Spencer Henry Bickham | 10/9/1915 to 21/9/1915 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Prestbury | Charles Bailey | Joseph Edward Little | 23/9/1913 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC33 East Gloucestershire, Prestbury Cultivated | Charles Bailey | Albert Thellung | 20/9/1913 to 23/9/1913 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Bristol Cultivated | James Walter White | Joseph Edward Little | 9/1918 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat Cultivated | Job Edward Lousley | Job Edward Lousley | 10/8/1940 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Job Edward Lousley | 10/8/1940 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | | 10/8/1940 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Eaton Bishop | Augustin Ley | Augustin Ley | 9/1874 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Fawley | Augustin Ley | | 12/8/1905 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 7/9/1906 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Botanical Exchange Club of The British Isles | 7/9/1906 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Kerne Bridge | Edward Francis Linton | John Durbin Gray | 20/8/1894 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 10/8/1905 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 13/8/1907 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Ledbury, Underdown Cultivated | Spencer Henry Bickham | Edward Francis Linton George Claridge Druce Spencer Henry Bickham | 1/9/1904 to 10/8/1905 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack Cultivated | Augustin Ley | Spencer Henry Bickham | 3/11/1900 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack | Augustin Ley | | 16/8/1899 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack | Augustin Ley | Botanical Exchange Club of The British Isles | 16/8/1899 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack | Augustin Ley | Spencer Henry Bickham | 1/9/1904 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack Cultivated | Augustin Ley | Spencer Henry Bickham | 3/11/1903 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Symonds Yat | George Claridge Druce | | 9/1900 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Underdown, Ledbury Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 5/8/1904 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Underdown, Ledbury | Spencer Henry Bickham | Spencer Henry Bickham | 12/8/1905 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Malvern | Richard Francis Towndrow Spencer Henry Bickham | Spencer Henry Bickham | 9/9/1910 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Malvern | Spencer Henry Bickham | Spencer Henry Bickham | 23/9/1907 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Underdown, Ledbury Cultivated GB, VC37 Worcestershire, Malvern Link | Spencer Henry Bickham | Spencer Henry Bickham | 4/8/1904 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Malvern Link | Spencer Henry Bickham | Spencer Henry Bickham | 14/8/1902 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Malvern Link | Richard Francis Towndrow | Spencer Henry Bickham | 1/9/1902 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Malvern Link | Spencer Henry Bickham | Spencer Henry Bickham | 14/8/1902 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Powick | Richard Francis Towndrow | Spencer Henry Bickham | 10/9/1900 | CGE |