| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Exeter | George Claridge Druce | | 8/1908 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Ivybridge | Thomas Richard Archer Briggs | | 15/9/1877 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Lustleigh | Francis Morland Day | | 22/8/1939 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Marldon | Francis Morland Day | | 3/8/1937 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Meavy | William Booth Waterfall | Charles Cardale Babington | 25/7/1878 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Meavy | William Booth Waterfall | | 15/7/1878 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Meavy | William Booth Waterfall | Arthur Langford Still Harold Stuart Thompson | 7/1878 | BIRM |
+ | Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Plym Valley | Thomas Richard Archer Briggs | Charles Bailey | 23/8/1867 | MANCH |
+ | Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, River Avon at Aveton Gifford | Edward Shearburn Marshall | | 1894 | BIRM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Salcombe Cultivated | Herbert William Pugsley | Herbert William Pugsley | 17/9/1936 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Staverton | | University of Exeter | 6/8/1935 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Teignmouth | | | 13/9/1954 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Walkhampton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Walkhampton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Walkhampton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Widdecombe | Francis Morland Day | | 17/8/1937 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Woodleigh | Joseph Woods | Frederick Townsend | 26/9/1843 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Yalberton | Francis Morland Day | | 11/8/1937 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC4 North Devon, Belstone | | | 9/1904 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC4 North Devon, Lynmouth | Spencer Henry Bickham | Spencer Henry Bickham | 18/9/1902 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC4 North Devon, Tiverton | Arthur Langford Still | John Richard Wallis | 12/5/1941 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC5 South Somerset, Cutcombe | G Amherst | | 14/9/1928 | OXF |
+ | Mentha arvensis x spicata = M. x gracilis | GB, VC5 South Somerset, Oake | F Lang | Watson Botanical Exchange Club Bailey Frederick Ernest Weiss | 20/8/1919 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC6 North Somerset, Bath Cultivated | William Sole | | | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC6 North Somerset, Clifton | Harold Stuart Thompson | | 3/9/1933 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC6 North Somerset, Newton Saint Loe | Ida Mary Roper | Watson Botanical Exchange Club Ida Mary Roper | 13/9/1916 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC8 South Wiltshire, Potterne | Eric Marsden Marsden-Jones J Fraser | J Fraser | 31/8/1929 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Edward Francis Linton | 15/9/1909 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC9 Dorset, Steepleton | | Lester Vallis Lester-Garland | 30/8/1895 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC9 Dorset, Swanage | Charles Baylis Green | J Fraser | 4/8/1915 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC9 Dorset, Wareham | Charles Edgar Salmon | Charles Edgar Salmon | 8/1910 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC10 Isle of Wight, Brighstone | | E H Metcalf | | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Patrick Martin Hall | Patrick Martin Hall | 26/8/1934 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Edward Francis Linton | Edward Francis Linton | 12/9/1895 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Edward Francis Linton | | 25/8/1893 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Job Edward Lousley | Job Edward Lousley | 9/9/1934 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Richard Paget Murray | Edward Shearburn Marshall | 25/8/1893 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Blashford | Patrick Martin Hall | Patrick Martin Hall Richard Barker Ullman | 26/8/1934 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Buddle Green | Raymond Paul Bowman | | 6/9/1981 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC11 South Hampshire, Holland Bottom | Raymond Paul Bowman | | 28/9/1980 | K |