| 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 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, 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 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 | Edward Francis Linton | Druce Herbarium, Oxford Edward Francis Linton | 22/9/1892 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC54 North Lincolnshire, Tobyon | Marsden | Druce Herbarium, Oxford George Claridge Druce | | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC52 Anglesey, Beaumaris | George Claridge Druce | Druce Herbarium, Oxford | 8/1919 | 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, 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 |
| Dactylorhiza incarnata | GB, VC41 Glamorganshire, Kenfig | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford George Claridge Druce Job Edward Lousley | 6/1927 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC41 Glamorganshire, Dinas Powis GB, VC41 Glamorganshire, Wenvoe | S Dewar | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford National Museum of Wales Arthur Edward Wade | 14/9/1932 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC41 Glamorganshire, Bishopston | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 3/9/1937 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC40 Shropshire, Clun Church | Richard Charles Palmer | Druce Herbarium, Oxford | 4/9/1951 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC40 Shropshire | William John Blake | Druce Herbarium, Oxford J Fraser William John Blake | 1820 | OXF |
| Veronica agrestis | GB, VC39 Staffordshire, Burton on Trent | J H Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 31/8/1938 | K |
| Veronica agrestis | GB, VC39 Staffordshire, Burton on Trent | John Frederick Gustav Chapple | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Job Edward Lousley | 31/8/1938 | SLBI |
| Veronica agrestis | GB, VC39 Staffordshire, Burton on Trent | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 31/8/1938 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC38 Warwickshire, Warwick | Henry Bromwich | Druce Herbarium, Oxford F Stratton | 9/1877 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC38 Warwickshire, Sutton Park | Richard Charles Palmer | Druce Herbarium, Oxford | 16/9/1995 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley Cultivated | Henry Bromwich | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 8/1890 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | Druce Herbarium, Oxford | 9/1878 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC38 Warwickshire, Chesterton | Henry Bromwich | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Edward Francis Linton Edward Shearburn Marshall J G | 9/1898 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC38 Warwickshire, Brailes | | Druce Herbarium, Oxford Henry Elliott Fox | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC38 Warwickshire, Balsall Common | Henry Bromwich | Druce Herbarium, Oxford F Stratton | 9/1869 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC37 Worcestershire, Powick | Richard Francis Towndrow | Druce Herbarium, Oxford | 10/9/1900 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Kidderminster | Richard Charles L'Estrange Burges | Druce Herbarium, Oxford | 1936 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Underdown, Ledbury Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser Spencer Henry Bickham | 6/8/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Sellack | Augustin Ley | Druce Herbarium, Oxford J Fraser | 6/8/1887 | OXF |
| Ranunculus ficaria | GB, VC36 Herefordshire, Sellack | Augustin Ley | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 2/4/1899 | BIRM |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Spencer Henry Bickham | 20/9/1918 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC36 Herefordshire, Ledbury | Spencer Henry Bickham | Druce Herbarium, Oxford Spencer Henry Bickham | 9/1931 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Hereford | Augustin Ley | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser | 8/1882 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Great Doward | Augustin Ley | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser | 7/9/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, River Wye | George Claridge Druce | Druce Herbarium, Oxford | 9/1900 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC34 West Gloucestershire, Longhope | Gustavus A Ornano St Brody | Druce Herbarium, Oxford Frederic Stratton | 1869 | OXF |
| Potamogeton gramineus | GB, VC32 Northamptonshire, Peterborough, Borough Fen | George Claridge Druce | Druce Herbarium, Oxford Charles Bailey | 1/7/1910 | MANCH |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC32 Northamptonshire, Peterborough, Borough Fen | George Claridge Druce | Druce Herbarium, Oxford Charles Bailey | 1/7/1910 | MANCH |
| Potamogeton berchtoldii | GB, VC32 Northamptonshire, Peakirk | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Charles Bailey | 9/1910 | MANCH |