| Mentha arvensis x spicata = M. x gracilis | GB, VC19 North Essex, Alphamstone Cultivated | George Charles Brown | Druce Herbarium, Oxford J Fraser | 7/9/1916 | OXF |
| Ulmus procera | GB, VC19 North Essex, Black Notley | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 9/1910 | BIRM |
| Mentha spicata x suaveolens = M. x villosa | GB, VC19 North Essex, Great Henny | John Bury Higgens | Druce Herbarium, Oxford | 10/1916 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC19 North Essex, Maplestead | George Claridge Druce | Druce Herbarium, Oxford | 8/1905 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC19 North Essex, Peldon | George Charles Brown Herbert Stanley Redgrove | Druce Herbarium, Oxford | 30/8/1923 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Bayford | | Druce Herbarium, Oxford | | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Bengeo | William Higgins Coleman | Druce Herbarium, Oxford | 30/9/1843 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC20 Hertfordshire, Hertford | John Bury Higgens | Druce Herbarium, Oxford | 1912 | OXF |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC20 Hertfordshire, Northaw Cultivated | Spencer Henry Bickham | Druce Herbarium, Oxford Henry Elliott Fox Spencer Henry Bickham | 22/9/1918 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Roydon | William Higgins Coleman | Druce Herbarium, Oxford J Fraser | 4/10/1843 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC20 Hertfordshire, Waterford | John Ansell | Druce Herbarium, Oxford | 5/8/1846 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC20 Hertfordshire, Waterford Marsh | John Ansell | Druce Herbarium, Oxford | 22/8/1846 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC21 Middlesex, Acton | Alfred Loydell | Druce Herbarium, Oxford | 7/1898 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC21 Middlesex, Stanmore Common | Arthur Langford Still | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Edward Charles Wallace | 19/9/1936 | OXF |
| Galium album | GB, VC22 Berkshire, Bray | George Claridge Druce | Druce Herbarium, Oxford | 8/1895 | SLBI |
| Gentianella campestris | GB, VC22 Berkshire, Brimfield | Charles Edward Britton | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 9/1930 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC22 Berkshire, Chilswell | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Charles Bailey | 1894 | MANCH |
| Viola tricolor x arvensis = V. x contempta | GB, VC22 Berkshire, Coleman's Moor | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Job Edward Lousley | 7/1929 | SLBI |
| Illecebrum verticillatum | GB, VC22 Berkshire, Crowthorne | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 9/1890 | BIRM |
| Silene vulgaris | GB, VC22 Berkshire, Cumnor | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 6/1898 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Didcot | Richard Charles Palmer | Druce Herbarium, Oxford | 8/8/1998 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC22 Berkshire, Didcot | George Claridge Druce | Druce Herbarium, Oxford | 9/1888 9/1889 10/1891 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC22 Berkshire, Newbury | George Claridge Druce | Druce Herbarium, Oxford | 9/1891 | OXF |
| Erophila | GB, VC22 Berkshire, Ridge Way GB, VC22 Berkshire, Shrivenham | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford William Hunt Painter | 5/1895 | ABS |
| Carex canescens | GB, VC22 Berkshire, Sandhurst | | Druce Herbarium, Oxford Albert Bruce Jackson George Claridge Druce | 1896 | BM |
| Erophila verna | GB, VC22 Berkshire, Shrivenham | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Watson Botanical Exchange Club Job Edward Lousley | 5/1895 | SLBI |
| Malva moschata | GB, VC22 Berkshire, Tilehurst | | Druce Herbarium, Oxford George Claridge Druce | 8/1895 | SLBI |
| Fallopia dumetorum | GB, VC22 Berkshire, Tubney | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford | 9/1930 | K |
| Illecebrum verticillatum | GB, VC22 Berkshire, Wellington College | George Claridge Druce | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford William Hadden Beeby | 9/1895 | ABS |
| Fagopyrum esculentum | GB, VC22 Berkshire, Wootton | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 7/1932 | SLBI |
| Juncus acutiflorus | GB, VC22 Berkshire, Wytham | | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 29/9/1946 | SLBI |
| Juncus articulatus | GB, VC22 Berkshire, Wytham | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 29/9/1946 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC12,VC22, Swallowfield | Gertrude Foggitt | Druce Herbarium, Oxford | 9/1920 | OXF |
| Carex spicata | GB, VC23 Oxfordshire, Beckley | John Frederick Gustav Chapple | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Patrick Martin Hall | 14/6/1932 | BM |
| Carex spicata | GB, VC23 Oxfordshire, Beckley | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 14/6/1932 | E |
| Mentha aquatica x spicata = M. x piperita | GB, VC23 Oxfordshire, Brackley | Richard Charles Palmer | Druce Herbarium, Oxford | 4/9/1963 | OXF |
| Epipactis purpurata | GB, VC23 Oxfordshire, Crowell Wood | George Claridge Druce | Druce Herbarium, Oxford Charles Bailey | 9/1894 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Goring Cultivated | Harry Joseph Riddelsdell | Druce Herbarium, Oxford | 2/9/1938 | OXF |
| Plantago arenaria | GB, VC23 Oxfordshire, Headington | George Claridge Druce | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford Augustin Ley | 9/1896 | BIRM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Horley | Richard Charles Palmer | Druce Herbarium, Oxford | 27/9/1969 | OXF |