| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Upton on Severn | Spencer Henry Bickham | Spencer Henry Bickham | 3/9/1903 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Upton on Severn | Spencer Henry Bickham | Spencer Henry Bickham | 3/9/1902 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Beausale Common | Henry Bromwich | | 9/1874 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Botanical Exchange Club Charles Cardale Babington Henry Bromwich | 9/1878 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Botanical Exchange Club of The British Isles Charles Cardale Babington | 9/1877 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Robert Large Baker | Botanical Exchange Club of The British Isles Charles Cardale Babington | 9/1880 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Charles Cardale Babington | 9/1877 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Charles Cardale Babington | 8/1878 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 6/8/1906 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Ledbury Cultivated GB, VC38 Warwickshire, Haseley | Spencer Henry Bickham | Spencer Henry Bickham | 6/8/1906 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Spencer Henry Bickham | Spencer Henry Bickham | 7/8/1905 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | John Durbin Gray Botanical Exchange Club of The British Isles | 8/1881 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley Cultivated | Augustin Ley | | 9/1902 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Warwick | John Fraser | John Durbin Gray | 8/1878 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC39 Staffordshire, Tutbury | Charles Cardale Babington | John Stevens Henslow | 10/9/1832 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC39 Staffordshire, Tutbury | Charles Cardale Babington | Charles Cardale Babington | 8/1832 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC39 Staffordshire, Yoxall | | Charles Cardale Babington | 8/1832 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC40 Shropshire | Bell Edward Williams | John Stevens Henslow | | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC41 Glamorganshire, Reynoldston | Job Edward Lousley | Job Edward Lousley | 4/9/1948 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC43 Radnorshire, Aberedw | Harry Joseph Riddelsdell | | 21/7/1911 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC46 Cardiganshire, Llanerch-Aeron | Edward Shearburn Marshall | | 7/8/1899 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Little Ormes Head | Spencer Henry Bickham | Spencer Henry Bickham | 8/1869 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Llyn Padarn | Spencer Henry Bickham | Spencer Henry Bickham | 1/9/1904 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Llyn Padarn | Spencer Henry Bickham | Spencer Henry Bickham | 1/8/1904 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Llyn Padarn | Spencer Henry Bickham | Spencer Henry Bickham | 28/9/1903 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire, Llyn Padarn GB, VC5 South Somerset, West Monkton Cultivated | Spencer Henry Bickham | | 31/8/1906 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Underdown, Ledbury Cultivated GB, VC49 Caernarvonshire, Llyn Padarn | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 10/8/1905 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC50 Denbighshire, Tan-y-ffridd | Cambridge Botany Schppl Expedition, Wales | | 20/8/1955 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC52 Anglesey, Llyn Coron | Spencer Henry Bickham | | 19/8/1869 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC55 Leicestershire, Worthington | William Henry Purchas | Burton Mounsher Watkins Spencer Henry Bickham | 9/1861 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC57 Derbyshire, Matlock | William Wilson | Charles Cardale Babington | 1833 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC58 Cheshire, Gallantry Bank | Anthony Hurt Wolley Dod | Botanical Exchange Club of The British Isles Anthony Hurt Wolley Dod | 9/8/1894 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC58 Cheshire, Shocklach | Anthony Hurt Wolley Dod | Anthony Hurt Wolley Dod | 8/1892 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Warrington | William Wilson | | 8/1831 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Warrington | William Wilson | John Stevens Henslow | 8/1824 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Warrington | John Bland Wood | John Bland Wood Spencer Henry Bickham | 7/9/1843 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC60 West Lancashire, Mitton | James Alfred Wheldon | Botanical Exchange Club of The British Isles | 8/1899 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC68 North Northumberland, Twizel | | Charles Cardale Babington | 9/1834 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC79 Selkirkshire, Ettrick | Ida Margaret Hayward | Botanical Exchange Club of The British Isles | 9/1909 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC79 Selkirkshire, Selkirk | Ida Margaret Hayward | Botanical Exchange Club of The British Isles Ida Margaret Hayward | 9/1909 | CGE |