| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Yatton | Ida Mary Roper | Watson Botanical Exchange Club Harold Stuart Thompson Ida Mary Roper | 18/8/1915 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC11 South Hampshire, Milton | William Hunt Painter William Moyle Rogers | Augustin Ley | 8/1892 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC15 East Kent, Maidstone | F Barham | Harold Stuart Thompson Thomas Clark F Barham | 8/1848 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC16 West Kent, Nettlestead Cultivated | J Fraser | Watson Botanical Exchange Club Harold Stuart Thompson J Fraser | 19/8/1925 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Bookham Common | Arthur Langford Still | Arthur Langford Still Harold Stuart Thompson | 3/8/1924 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Epsom Common | Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 29/8/1929 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Esher Common | | Walter Stiles | 30/7/1906 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Great Bookham Common | Job Edward Lousley | Harold Stuart Thompson J Fraser | 9/9/1929 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Great Bookham Common | Edward Charles Wallace | Harold Stuart Thompson | 27/8/1925 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Nutfield | | Harold Stuart Thompson | 17/9/1896 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stanmore | Arthur Langford Still | Harold Stuart Thompson | 26/8/1938 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC32 Northamptonshire, Brigstock | Augustin Ley | Augustin Ley | 12/8/1910 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC34 West Gloucestershire, Longhope | Augustin Ley | Augustin Ley | 29/9/1902 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC34 West Gloucestershire, Lydbrook | Augustin Ley | Augustin Ley | 21/8/1871 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC34 West Gloucestershire, Lydbrook | Augustin Ley | Augustin Ley | 21/9/1871 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, Gloucestershire, Mitcheldean Road Station | | Augustin Ley | 29/8/1882 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC35 Monmouthshire, Llanthony | Augustin Ley | Augustin Ley | 19/9/1907 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Caradoc | Augustin Ley | Augustin Ley | 26/8/1899 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Craswall | Augustin Ley | Augustin Ley | 31/8/1886 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Crib y garth | | Augustin Ley | 13/9/1893 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, dornington | | | 19/9/1883 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Ford End Farm | Augustin Ley | Augustin Ley | 27/8/1900 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Gorsley | Augustin Ley | Augustin Ley | 4/9/1907 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Augustin Ley | 25/8/1884 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Llanwarne | Augustin Ley | Augustin Ley | 7/8/1884 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Michaelchurch | Augustin Ley | Augustin Ley | 14/9/1893 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Reeves Hill | Augustin Ley | Augustin Ley | 29/8/1910 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Ross | Augustin Ley | Augustin Ley | 14/8/1884 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 8/1866 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 18/8/1875 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Sellack | Augustin Ley | Augustin Ley | 16/9/1876 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Sellack | | Augustin Ley | 12/9/1890 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Walford | Augustin Ley | Augustin Ley | 27/8/1901 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Winforton | Augustin Ley | Augustin Ley | 31/7/1884 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Woolhope | Augustin Ley | Augustin Ley | 27/8/1900 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC36 Herefordshire, Wyastone Leys | Augustin Ley | Augustin Ley | 25/8/1884 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley Henry Bromwich | 8/1881 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC38 Warwickshire, Honiley | | Robert Large Baker | 9/1874 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC38 Warwickshire, Honiley | Henry Bromwich | Botanical Exchange Club of The British Isles Augustin Ley | 8/1878 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC38 Warwickshire, Kenilworth | | Robert Large Baker | 1873 | BIRM |