| Mentha arvensis x spicata = M. x gracilis | GB, VC14 East Sussex, Haywards Heath | R C Palmer | Druce Herbarium, Oxford | 1955 | OXF |
+ | Impatiens glandulifera | GB, VC12 North Hampshire, Odiham | Charlotte Ellen Palmer | | 9/1900 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC70 Cumberland, Skinwith Beck | Clara Winsome Muirhead | Carlisle Museum Herbarium | 27/8/1949 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC54 North Lincolnshire, Swaby | William Wright Mason | | 31/8/1928 | OXF |
+ | Impatiens glandulifera | GB, VC3 South Devon, South Devon,Banks of the Dart above Dartington estate | Cecil Victor Boley Marquand | | 14/8/1918 | OXF |
+ | Impatiens glandulifera | GB, VC3 South Devon, South Devon,Banks of the Dart above Dartington estate | Cecil Victor Boley Marquand | | 14/8/1918 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC32 Northamptonshire, Blakesley | Alfred Loydell | | 29/8/1904 | OXF |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC57 Derbyshire, Shirley Cultivated | | Botanical Exchange Club of The British Isles William Richardson Linton | 2/9/1898 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC57 Derbyshire, Shirley Cultivated | William Richardson Linton | | 4/9/1889 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC28 West Norfolk, Harling | Edward Francis Linton | Edward Francis Linton | 3/10/1888 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC28 West Norfolk, Harling | Edward Francis Linton | Edward Francis Linton | 3/10/1888 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Fawley | Augustin Ley | | 17/8/1872 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Fawley [Fawley Chapel] | Augustin Ley | | 17/8/1872 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack | Augustin Ley | | 16/8/1899 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack | Augustin Ley | | 21/8/1903 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Wareham | Augustin Ley | | 15/9/1886 | OXF |
+ | Impatiens glandulifera | GB, VC39 Staffordshire, Staffordshire,Patsfull | J Legge | | 1923 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Llanwarne | B King | | 1887 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Gomshall Cultivated | J J | | 8/1870 | OXF |
+ | Impatiens glandulifera | GB, VC64 Mid-west Yorkshire, River Nidd between Knaresborough & York | Ingilby | | 27/8/1919 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC8 South Wiltshire, Bedwyn Brail | Cecil Prescott Hurst | Druce Herbarium, Oxford | 14/7/1922 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Stonesfield | William H Holliday | | 27/9/1861 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Woodstock | William H Holliday | | 9/1861 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC8 South Wiltshire, Mere Cultivated | W Herridge | | | OXF |
+ | Impatiens glandulifera | GB, Berwick,Tweed Mill Islands at Tillmouth | Ida Margaret Hayward | | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC79 Selkirkshire, Ettrick | Ida Margaret Hayward | Ida Margaret Hayward | 9/1909 | OXF |
| Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC79 Selkirkshire, Galashiels | Ida Margaret Hayward | Ida Margaret Hayward | 8/1913 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Wallington Cultivated GB, VC20 Hertfordshire, Roydon | Arthur Langford Still | Botanical Exchange Club of The British Isles | 6/9/1936 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC22 Berkshire, Didcot | Richard Charles Palmer | | 29/8/1975 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Woodrising | Kirby Trimmer | | 9/1850 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, Culham | Richard Charles Palmer | | 17/7/1976 | OXF |
+ | Impatiens glandulifera | GB, VC60 West Lancashire, Lancashire, Morecombe,White Lund | G Halliday | | 26/7/1968 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Lansdown | | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Ida Mary Roper | Ida Mary Roper | 27/8/1919 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, Weston in Gordano | Ida Mary Roper | Ida Mary Roper | 29/8/1919 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Virginia Water | | | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC21 Middlesex, Northwood Cultivated | Rex Alan Henry Graham | Rex Alan Henry Graham | 16/8/1952 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Oxford Cultivated | | | 9/1866 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Catfield | Kirby Trimmer | | 8/1859 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, Heigham | Kirby Trimmer | | 9/1862 | OXF |