| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | George Claridge Druce | | 8/1908 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Crantock | George Claridge Druce | | 8/1908 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Davidstow | Chambre Corker Vigurs | George Claridge Druce | 29/9/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Exeter | George Claridge Druce | | 8/1908 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Watson Botanical Exchange Club Edward Francis Linton George Claridge Druce | 20/9/1903 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC12 North Hampshire, Biddesden | George Claridge Druce | | 10/1925 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC17 Surrey, Chiddingfold | George Claridge Druce | George Claridge Druce | 5/1920 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Pyrford | George Claridge Druce | | 1920 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Pyrford Rough | | George Claridge Druce | 1918 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC19 North Essex, Alphamstone Cultivated | George Charles Brown | George Claridge Druce | 1/9/1920 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC19 North Essex, Little Maplestead | George Claridge Druce | George Claridge Druce | 9/1922 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC19 North Essex, Middleton | George Claridge Druce | | 9/1915 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC19 North Essex, Twinstead | George Claridge Druce | George Claridge Druce | 9/1915 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw Cultivated | Charles Edgar Salmon | Charles Edgar Salmon George Claridge Druce | 9/1914 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Roydon | George Claridge Druce | | 9/1915 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Cothill | George Claridge Druce | | 9/1896 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Didcot | George Claridge Druce | | 8/1896 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Uffington | George Claridge Druce | | 1890 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC22 Berkshire, Wargrave | George Stanton | George Claridge Druce | 2/9/1901 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Marston | | George Claridge Druce | | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | | | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | | 8/1880 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | | 9/1884 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, Oxford | George Claridge Druce | | 9/1926 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford, Yardley Lodge Cultivated | George Claridge Druce | | 9/1915 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Shotover | George Claridge Druce | | 9/1885 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, Weston on the Green | George Claridge Druce | | 8/1913 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC23 Oxfordshire, Wigginton | George Claridge Druce | George Claridge Druce | 9/1916 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Wolvercote | George Claridge Druce | George Claridge Druce | 1896 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC22,VC23, Oxford | F Gambier Parry | George Claridge Druce | 9/1916 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC24 Buckinghamshire, Brickhill | George Claridge Druce | George Claridge Druce | 8/1902 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC24 Buckinghamshire, Ellesborough | George Claridge Druce | George Claridge Druce | 9/1896 to 9/1897 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC24 Buckinghamshire, High Wycombe | George Claridge Druce | | 1897 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC24 Buckinghamshire, Westbury | George Claridge Druce | George Claridge Druce | 9/1902 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Filby | George Claridge Druce | | 8/1904 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC27 East Norfolk, West Runton | Mason | George Claridge Druce | 23/8/1899 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC32 Northamptonshire, Market Deeping | George Claridge Druce | George Claridge Druce | 8/1913 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC32 Northamptonshire, Whittlebury | | George Claridge Druce | 1897 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC33 East Gloucestershire, Compton Abdale | George Claridge Druce | | 1930 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat | George Claridge Druce | | 9/1900 | OXF |