| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC36 Herefordshire, Hereford | Augustin Ley | Augustin Ley | 16/9/1899 | BIRM |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Hereford,Warham | Augustin Ley | Augustin Ley | 20/8/1883 | BIRM |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Huntsham Ferry | | Augustin Ley | 29/7/1881 | BIRM |
| Mentha rubra | GB, VC36 Herefordshire, Saint Weonards | Augustin Ley | Augustin Ley | 2/9/1882 | BIRM |
| Mentha rubra | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 5/9/1899 | BIRM |
| Mentha rubra | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 10/9/1900 | BIRM |
| Mentha rubra | GB, VC36 Herefordshire, Sellack Court | Augustin Ley | Augustin Ley | 20/8/1883 | BIRM |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Stoke Prior | | Augustin Ley | 28/8/1885 | BIRM |
| Mentha rubra | GB, VC36 Herefordshire, Walford | Augustin Ley | Augustin Ley | 1/10/1909 | BIRM |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Whitney | Augustin Ley | Augustin Ley | 31/8/1882 | BIRM |
| Mentha rubra | GB, VC42 Breconshire, Hirwaun | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles Augustin Ley | 9/1901 | 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 rubra | GB, VC47 Montgomeryshire, Machynlleth | Augustin Ley | Augustin Ley | 30/8/1875 | BIRM |
| Mentha rubra | GB, VC55 Leicestershire, Thurcaston | G Robson | George Stephen West | 1878 | BIRM |
| Mentha rubra | GB, VC63 South-west Yorkshire, Sheffield | | Robert Large Baker | 1872 | BIRM |
| Mentha rubra | GB, VC85 Fifeshire, Balmuto Cultivated | John Thomas Irvine Boswell-Syme | Augustin Ley | 10/1881 | BIRM |
| Mentha gentilis var. wirtgeniana | GB, VC36 Herefordshire, Sellack | Augustin Ley | | 6/8/1887 | BSBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Gwennap | Frederick Hamilton Davey | Frederick Hamilton Davey | 30/8/1911 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Porkellis | Frederick Hamilton Davey | Watson Botanical Exchange Club Albert John Crosfield | 9/9/1907 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Columb Minor | Spencer Henry Bickham | Spencer Henry Bickham | 4/10/1904 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Columb Minor | Spencer Henry Bickham | Spencer Henry Bickham | 4/10/1904 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Saint Columb Minor | Chambre Corker Vigurs | | 1/9/1905 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Sennan | Frederick Robert Tennant | | 8/1899 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Sennen | Frederick Robert Tennant | | 8/1897 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Wendron | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey | 9/9/1907 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC1 West Cornwall, Wendron | Frederick Hamilton Davey | Frederick Hamilton Davey | 9/9/1907 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC2 East Cornwall, Porthscatho | Christopher Donald Pigott | | 9/1947 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Cardale Babington | 30/8/1881 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Egg Buckland | Thomas Richard Archer Briggs | Charles Cardale Babington | 30/8/1881 | CGE |
| 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, VC6 North Somerset, Newton Saint Loe | Ida Mary Roper | Watson Botanical Exchange Club Spencer Henry Bickham | 13/9/1916 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC10 Isle of Wight, Newbridge | James Henry Augustus Steuart | John Durbin Gray | 9/1894 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC10 Isle of Wight, Swainston | Arthur George Gregor | Arthur George Gregor Spencer Henry Bickham | 6/9/1892 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC10 Isle of Wight, Totland,Lacy's Farm | Bolton King | Botanical Exchange Club of The British Isles Charlotte Ellen Palmer | 8/1893 | CGE |
| 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, VC14 East Sussex, Lewes | James Herbert Augustus Jenner | James Herbert Augustus Jenner | 24/8/1877 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC15 East Kent, Faversham | Edward Shearburn Marshall | | 1/9/1894 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC16 West Kent, Cowden | Edward Shearburn Marshall | | 28/8/1909 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Friday Street | Cyril West | | 9/1950 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Nutfield Marsh | Edward Charles Wallace | Edward Charles Wallace | 31/8/1929 | CGE |