| Juncus compressus | GB, VC23 Oxfordshire, Oxford, Pixey Mead | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles Harold Stuart Thompson | 3/7/1934 | BIRM |
| Veronica anagallis-aquatica | GB, VC23 Oxfordshire, Oxford, Port Meadow | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles John Frederick Gustav Chapple | 30/7/1936 | SLBI |
+ | Hypochaeris glabra | GB, VC23 Oxfordshire, Oxford,Stow Wood | George Claridge Druce | Botanical Society & Exchange Club of The British Isles George Claridge Druce Harry Joseph Riddelsdell | 7/1923 | MANCH |
| Sonchus palustris | GB, VC23 Oxfordshire, Stanton Saint John | George Claridge Druce | Botanical Society & Exchange Club of The British Isles George Claridge Druce William Hunt Painter | 9/1894 | ABS |
+ | Lithospermum arvense | GB, VC23 Oxfordshire, Swalcliffe | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles Charles Bailey | 2/6/1918 | MANCH |
+ | Filago vulgaris | GB, VC23 Oxfordshire, Wiggington Cultivated | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles Charles Bailey | 12/7/1915 to 13/7/1915 | MANCH |
| Stachys germanica | GB, VC23 Oxfordshire, Woodstock | George Claridge Druce | Botanical Society & Exchange Club of The British Isles | 3/10/1931 | K |
| Viola odorata | GB, VC23 Oxfordshire, Woodstock | Patrick Martin Hall | Botanical Society & Exchange Club of The British Isles Job Edward Lousley Patrick Martin Hall | 6/4/1928 | SLBI |
+ | Juncus compressus | GB, VC22,VC23, Oxford | John Frederick Gustav Chapple | Botanical Society & Exchange Club of The British Isles William Harold Pearsall | 30/7/1934 | MANCH |
+ | Viola tricolor | GB, VC24 Buckinghamshire, Bradenham | George Claridge Druce | Botanical Society & Exchange Club of The British Isles George Claridge Druce | 6/1929 | MANCH |
| Juncus maritimus | GB, VC25 East Suffolk, Aldeburgh | Katherine D Little | Botanical Society & Exchange Club of The British Isles Job Edward Lousley Joseph Edward Little | 27/9/1928 | SLBI |
+ | Silene conica | GB, VC25 East Suffolk, Felixstowe, Landguard Common | Stephen John Batchelder | Botanical Society & Exchange Club of The British Isles National Museum of Wales | 9/6/1928 | MANCH |
| Veronica arvensis | GB, VC26 West Suffolk, Barton Mills | Job Edward Lousley | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | 6/5/1934 | K |
| Veronica praecox | GB, VC26 West Suffolk, Barton Mills | Job Edward Lousley | Botanical Society & Exchange Club of The British Isles | 6/5/1934 | K |
| Festuca arundinacea | GB, VC27 East Norfolk, Burgh Saint Margaret | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles Charles Edward Britton | 9/7/1928 | K |
+ | Potamogeton friesii | GB, VC27 East Norfolk, Burgh Saint Margaret | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles | 6/7/1929 | MANCH |
+ | Viola tricolor | GB, VC27 East Norfolk, Burgh Saint Margaret | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles | 8/7/1929 | MANCH |
| Ranunculus peltatus | GB, VC27 East Norfolk, Burgh St Margaret | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | 11/7/1929 20/7/1929 | SLBI |
| Lathyrus palustris | GB, VC27 East Norfolk, Hoveton | William Richardson Linton | Botanical Society & Exchange Club of The British Isles William Hadden Beeby William Richardson Linton | 13/7/1885 | SLBI |
+ | Viola tricolor | GB, VC27 East Norfolk, Norwich,Caistor | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles | 26/7/1929 | MANCH |
+ | Viola tricolor | GB, VC27 East Norfolk, Norwich,Caistor | Rowland John Burdon | Botanical Society & Exchange Club of The British Isles | 26/7/1929 | MANCH |
| Calamagrostis epigejos x Ammophila arenaria = x Calammophila baltica | GB, VC27 East Norfolk, Winterton | Charles Edgar Salmon | Botanical Society & Exchange Club of The British Isles Charles Bailey Charles Edgar Salmon | 26/6/1915 | MANCH |
+ | Fritillaria meleagris | GB, VC28 West Norfolk, Engalnd, Norfolk, Ovington | Frederick Robinson | Botanical Society & Exchange Club of The British Isles Frederick Robinson | 27/6/1914 | MANCH |
+ | Platanthera chlorantha | GB, VC28 West Norfolk, Griston | George Claridge Druce | Botanical Society & Exchange Club of The British Isles Frederick Robinson | 17/6/1914 | MANCH |
+ | Calamagrostis stricta | GB, VC28 West Norfolk, Hockham | Job Edward Lousley | Botanical Society & Exchange Club of The British Isles William Harold Pearsall | 7/7/1934 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC28 West Norfolk, Hockham | Frederick Robinson | Botanical Society & Exchange Club of The British Isles | 14/7/1921 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC28 West Norfolk, Roydon Common | Eric Lister Swann | Botanical Society & Exchange Club of The British Isles | 29/8/1950 | SLBI |
| Scrophularia umbrosa | GB, VC28 West Norfolk, Scoulton | Job Edward Lousley | Botanical Society & Exchange Club of The British Isles | 11/10/1934 | K |
| Scrophularia umbrosa | GB, VC28 West Norfolk, Scoulton | Job Edward Lousley | Botanical Society & Exchange Club of The British Isles Job Edward Lousley | 11/10/1934 | K |
| Symphytum officinale x asperum = S. x uplandicum | GB, VC28 West Norfolk, Shropham | Frederick Robinson | Botanical Society & Exchange Club of The British Isles Charles Bailey Frederick Robinson | 8/7/1915 | MANCH |
+ | Calamagrostis stricta | GB, VC28 West Norfolk, Shropham Hundred | Frederick Robinson | Botanical Society & Exchange Club of The British Isles Charles Bailey Frederick Robinson | 11/7/1914 | MANCH |
| Salix caprea x cinerea = S. x reichardtii | GB, VC29 Cambridgeshire, Langley Wood | Edmund Frederic Warburg | Botanical Society & Exchange Club of The British Isles | 9/6/1932 | CGE |
| Potamogeton lucens x perfoliatus = P. x salicifolius | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | Botanical Society & Exchange Club of The British Isles Alfred Fryer William Hadden Beeby | 27/6/1884 to 8/1884 | SLBI |
| Veronica agrestis | GB, VC30 Bedfordshire, Luton | Joseph Edward Little M Brown | Botanical Society & Exchange Club of The British Isles Lester Vallis Lester-Garland | 18/11/1926 15/12/1926 | K |
| Potamogeton coloratus | GB, VC31 Huntingdonshire, Ramsey | Alfred Fryer | Botanical Society & Exchange Club of The British Isles | 7/7/1884 | MANCH |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Botanical Society & Exchange Club of The British Isles Alfred Fryer William Hadden Beeby | 17/7/1888 | SLBI |
+ | Viola canina x persicifolia = V. x ritschliana | GB, VC31 Huntingdonshire, Wood Walton | George Claridge Druce | Botanical Society & Exchange Club of The British Isles | 6/1925 | MANCH |
| Carex otrubae x remota = C. x pseudoaxillaris | GB, VC32 Northamptonshire, Old Head Wood | George Chester | Botanical Society & Exchange Club of The British Isles Robert Stephen Adamson | 12/7/1913 | BM |
| Rubus cotteswoldensis | GB, VC33 East Gloucestershire, Bourton | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles Charles Edward Britton | 18/8/1921 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC33 East Gloucestershire, Compton Abdale | Harry Joseph Riddelsdell | Botanical Society & Exchange Club of The British Isles Charles Edgar Salmon George Claridge Druce Joseph Edward Little | 11/9/1919 | CGE |