| Hydrocharis morsus-ranae | GB, VC26 West Suffolk, Stoke by Nayland | John Durbin Gray | Alexander Somerville | 8/1893 | E |
| Salix fragilis x alba = S. x rubens | GB, VC26 West Suffolk, Tuddenham | John Durbin Gray | | 5/1884 | CGE |
| Achillea ptarmica | GB, VC26 West Suffolk, Wissington | John Durbin Gray | | 7/1891 | SLBI |
| Rosa obtusifolia subsp. tomentella | GB, VC26 West Suffolk, Wiston | John Durbin Gray | Allan Octavian Hume | 6/1892 | SLBI |
| Veronica spicata | GB, VC26 West Suffolk, Wordwell | John Durbin Gray | | 8/1878 | K |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Reedham | Edward Francis Linton | John Durbin Gray | 9/1889 | CGE |
| Rubus gratus | GB, VC27 East Norfolk, Sprowston | John Durbin Gray | | 6/1887 | ABS |
| Rubus lintonii | GB, VC27 East Norfolk, Sprowston | John Durbin Gray | Edward Francis Linton | 7/1887 | ABS |
| Salix fragilis x alba = S. x rubens | GB, VC30 Bedfordshire, Purvey | Edward Francis Linton | John Durbin Gray | 17/4/1894 | CGE |
| Trinia glauca | GB, VC34 West Gloucestershire, Saint Vincent's Rocks | John Durbin Gray | Watson Botanical Exchange Club Augustin Ley Richard Spiers Standen | 7/1889 | BIRM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Kerne Bridge | Edward Francis Linton | John Durbin Gray | 20/8/1894 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC36 Herefordshire, Whitney | Margaret Dawber | John Durbin Gray | 29/8/1890 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Malvern | Alfred Rayney Waller | John Durbin Gray | 7/1884 | CGE |
| Salix fragilis x alba = S. x rubens | GB, VC37 Worcestershire, Malvern Link | Richard Francis Towndrow | John Durbin Gray | 6/1888 8/1888 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC37 Worcestershire, Old Storridge Common | James Henry Augustus Steuart | John Durbin Gray Robert Lloyd Praeger | 8/1892 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Haseley | Henry Bromwich | John Durbin Gray Botanical Exchange Club of The British Isles | 8/1881 | CGE |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Kenilworth Chase | Henry Bromwich | John Durbin Gray | 4/1881 to 9/1881 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC38 Warwickshire, Warwick | John Fraser | John Durbin Gray | 8/1878 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC38 Warwickshire, Warwick | John Fraser | John Durbin Gray | 10/9/1878 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC38 Warwickshire, Warwick | John Fraser | John Durbin Gray | 10/9/1878 | CGE |
| Carex elongata | GB, VC40 Shropshire, Criftins | John Durbin Gray | | 7/1893 | BM |
| Potamogeton alpinus | GB, VC40 Shropshire, Ellesmere | John Durbin Gray | | 7/1893 | SLBI |
| Luronium natans | GB, VC40 Shropshire, Llangollen Canal at Ellesmere | John Durbin Gray | Alexander Somerville | 7/1893 | E |
| Mentha spicata x suaveolens = M. x villosa | GB, VC57 Derbyshire, Matlock | A Steuart Eleonora Armitage Harry Corbyn Levinge | Harry Corbyn Levinge John Durbin Gray | 30/8/1893 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC64 Mid-west Yorkshire, Tadcaster | J Jackson | John Durbin Gray | 7/1881 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC61,VC62,VC64, York | Henry John Wilkinson | John Durbin Gray | 9/1883 | CGE |
| Asplenium obovatum subsp. lanceolatum | GB, VC113 Channel Islands, Guernsey | John Durbin Gray | | 6/1890 | SHYB |
+ | Hypericum linariifolium | GB, VC113 Channel Islands, Guernsey | John Durbin Gray | Charles Edgar Salmon | 7/1894 | MANCH |
| Callitriche truncata | GB, VC113 Channel Islands, Guernsey,Grande Mare | John Durbin Gray | | 7/1895 | SHYB |
+ | Echium plantagineum | GB, VC113 Channel Islands, Guernsey,Moulin Huet Bay | John Durbin Gray | | 24/7/1894 | MANCH |
| Briza maxima | GB, VC113 Channel Islands, Guernsey,Vazon Bay | John Durbin Gray | William Hunt Painter | 6/1895 | ABS |
+ | Petrorhagia nanteuilii | GB, VC113 Channel Islands, Jersey, Quennevais | John Durbin Gray | Willis Openshaw Howarth | 7/1894 | MANCH |
| Sibthorpia europaea | GB, VC113 Channel Islands, Jersey, Saint Ouen's | John Durbin Gray | | 7/1894 | K |
| Centaurea paniculata | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | John Durbin Gray | William Hunt Painter | 7/1884 | SHYB |
| Lythrum hyssopifolia | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | John Durbin Gray | William Hunt Painter | 7/1894 | SHYB |
| Mentha arvensis x aquatica = M. x verticillata | IE, Donegal, Rossmore | Edward Francis Linton | John Durbin Gray | 6/8/1885 | CGE |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC63 South-west Yorkshire, Pollington | Phineas Fox Lee | John Durbin Gray Watson Botanical Exchange Club | 1884 | CGE |