| Mentha arvensis x spicata = M. x gracilis | GB, VC60 West Lancashire, Fairhaven Cultivated | | Druce Herbarium, Oxford Charles Bailey | 29/8/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Whalley Range Cultivated | Charles Bailey | Druce Herbarium, Oxford Charles Bailey | 26/8/1897 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Whalley Range Cultivated | Charles Bailey | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Charles Bailey | 11/8/1900 1/9/1900 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC59 South Lancashire, Whalley Range Cultivated | Charles Bailey | Druce Herbarium, Oxford Charles Bailey | 1/9/1900 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Knutsford,Tabley Park | Charles Bailey | George Claridge Druce | 15/9/1900 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC58 Cheshire, Knutsford,Plumbley | Charles Bailey | Druce Herbarium, Oxford | 15/9/1900 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC58 Cheshire, Gallantry Bank | Anthony Hurt Wolley Dod | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Anthony Hurt Wolley Dod | 9/8/1894 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC57 Derbyshire, Wirksworth Quarries | William Bell | Botanical Exchange Club of The British Isles | 9/1908 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC57 Derbyshire, Snelston | J Fraser | Botanical Exchange Club of The British Isles Druce's Original Herbarium Edward Francis Linton | 9/1892 | 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 | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Henry Elliott Fox J Fraser John Gilbert Baker William Richardson Linton | 4/9/1889 to 8/1890 | 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 | GB, VC57 Derbyshire, Matlock | | Charlotte Ellen Palmer | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC57 Derbyshire, Dovedale | George Claridge Druce | Druce Herbarium, Oxford | 1912 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC57 Derbyshire, Dovedale Cultivated | George Claridge Druce | Druce Herbarium, Oxford Edward Shearburn Marshall J Fraser | 9/1913 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC57 Derbyshire, Dovedale | | | 5/9/1893 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC57 Derbyshire, Bradford Dale | H J Killick | Druce Herbarium, Oxford | 28/8/1999 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC57 Derbyshire, Belper | | Botanical Exchange Club of The British Isles Druce's Original Herbarium Edward Francis Linton | 9/1892 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC57 Derbyshire, Belper | Edward Francis Linton | Druce Herbarium, Oxford Edward Francis Linton | 22/9/1892 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC56 Nottinghamshire, Nottingham Cultivated | R Bulley | R Bulley | 8/1933 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC55 Leicestershire, Woodhouse Eaves | Frederick Thompson Mott | Botanical Exchange Club of The British Isles Frederick Thompson Mott | 8/1895 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC55 Leicestershire, Leicester | | | | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC55 Leicestershire, Leicester | Geoffrey John Victor Bemrose | George Claridge Druce | 1930 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC54 North Lincolnshire, Woodhall Spa | Frank Simpson Alston | | 1917 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC54 North Lincolnshire, West Keal | | | 21/8/1930 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC54 North Lincolnshire, Tobyon | Marsden | Druce Herbarium, Oxford George Claridge Druce | | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC54 North Lincolnshire, Swaby | | | | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC54 North Lincolnshire, Swaby | William Wright Mason | | 31/8/1928 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC52 Anglesey, Beaumaris | George Claridge Druce | Druce Herbarium, Oxford | 8/1919 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49,VC50, Llanrwst | William Sole | George Claridge Druce | 1777 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC50 Denbighshire, Old Colwyn Cultivated | | George Claridge Druce | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC50 Denbighshire, Gresford | John Bland Wood | John Bland Wood | 24/10/1841 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC49 Caernarvonshire, Capel Curig | | Druce's Original Herbarium | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC49 Caernarvonshire Cultivated | | | 9/1896 | OXF |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC47 Montgomeryshire, Pen-y-bont-fawr | H J Killick | Druce Herbarium, Oxford | 20/8/1999 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC47 Montgomeryshire, Craig Breidden | George Claridge Druce | George Claridge Druce | 1896 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC43 Radnorshire, Glasbury | George Claridge Druce | | 9/1929 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC43 Radnorshire, Bough Wood | | Druce Herbarium, Oxford | 1927 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC41 Glamorganshire, Parkmill, Gower | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 1/9/1937 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC41 Glamorganshire, Llanmadoc | George Claridge Druce | George Claridge Druce | 6/1916 | OXF |