| Viola hirta | GB, VC23 Oxfordshire, Minster Lovell | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford Job Edward Lousley | 20/4/1934 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Mixbury | Richard Charles Palmer | Druce Herbarium, Oxford | 4/9/1963 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | Druce Herbarium, Oxford J Fraser | 1886 | OXF |
| Carex vulpina | GB, VC23 Oxfordshire, Otmoor | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford Martin F Gardner & Sabina G Knees | 1/8/1936 1/8/1946 | E |
| Carex vulpina | GB, VC23 Oxfordshire, Otmoor | John Frederick Gustav Chapple | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 1/8/1946 | SLBI |
+ | Carex vulpina | GB, VC23 Oxfordshire, Otmoor | I J Thearle | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 1/8/1946 | MANCH |
| Blumenbachia hieronymii | GB, VC23 Oxfordshire, Oxford | John Frederick Gustav Chapple | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 9/11/1938 | SLBI |
| Blumenbachia hieronymii | GB, VC23 Oxfordshire, Oxford | John Frederick Gustav Chapple | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 9/11/1938 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | | Druce Herbarium, Oxford Arthur Langford Still | 6/9/1937 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | | Druce Herbarium, Oxford | 8/9/1937 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | Richard Charles Palmer | Druce Herbarium, Oxford | 8/1958 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Crantock GB, VC23 Oxfordshire, Oxford Cultivated | J Fraser | Druce Herbarium, Oxford | 9/1915 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, Oxford | Humphrey John Moule Bowen | Druce Herbarium, Oxford | 30/7/1965 | OXF |
| Salix purpurea x repens = S. x doniana | GB, VC23 Oxfordshire, Oxford Cultivated | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 9/1909 | BIRM |
| Taraxacum | GB, VC23 Oxfordshire, Oxford | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 5/1923 | SLBI |
| Populus nigra | GB, VC23 Oxfordshire, Oxford,Christchurch meadows | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 5/1910 | BIRM |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Risinghurst | Richard Charles Palmer | Druce Herbarium, Oxford | 27/8/1968 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC23 Oxfordshire, Shotover | George Claridge Druce | Druce Herbarium, Oxford J Fraser | 9/1888 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Shotover | George Claridge Druce | Druce Herbarium, Oxford | 30/9/1887 | OXF |
| Mentha spicata x suaveolens = M. x villosa | GB, VC23 Oxfordshire, Wolvercote | George Claridge Druce | Druce Herbarium, Oxford | 9/1912 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Woodstock | George Claridge Druce | Druce Herbarium, Oxford | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Wroxton | Richard Charles Palmer | Druce Herbarium, Oxford | 29/8/1964 | OXF |
| Juncus inflexus x effusus = J. x diffusus | GB, VC24 Buckinghamshire, Linslade | | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Charles Bailey George Claridge Druce | 7/1898 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC27 East Norfolk, Banningham | Kirby Trimmer | Druce Herbarium, Oxford | 8/1859 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Sprowston | Edward Francis Linton | Druce Herbarium, Oxford Edward Francis Linton Henry Elliott Fox | 1/10/1888 | OXF |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC28 West Norfolk, Billingford | Kirby Trimmer | Druce Herbarium, Oxford | 11/1868 | OXF |
| Myriophyllum verticillatum | GB, VC30 Bedfordshire, Eaton Socon | John Frederick Gustav Chapple John Patrick Micklethwait Brenan | Druce Herbarium, Oxford | 11/8/1946 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC32 Northamptonshire, Duston | George Claridge Druce | Druce Herbarium, Oxford | 9/1876 | OXF |
| Potamogeton berchtoldii | GB, VC32 Northamptonshire, Peakirk | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Charles Bailey | 9/1910 | MANCH |
| 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 |
| Mentha aquatica x spicata = M. x piperita | GB, VC34 West Gloucestershire, Longhope | Gustavus A Ornano St Brody | Druce Herbarium, Oxford Frederic Stratton | 1869 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, River Wye | George Claridge Druce | Druce Herbarium, Oxford | 9/1900 | 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, VC36 Herefordshire, Hereford | Augustin Ley | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford J Fraser | 8/1882 | OXF |
| 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, 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 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 |