| Zannichellia palustris | GB, VC19 North Essex, Frinton | John Durbin Gray | | 9/1889 | ABS |
| Avena sterilis subsp. ludoviciana | GB, VC19 North Essex, Frinton | John Durbin Gray | Harold Stuart Thompson | 9/1889 | BIRM |
| Mentha spicata x suaveolens = M. x villosa var. alopecuroides | GB, VC27 East Norfolk, Reedham | Edward Francis Linton | John Durbin Gray | 9/1889 | CGE |
| Asplenium obovatum subsp. lanceolatum | GB, VC113 Channel Islands, Guernsey | John Durbin Gray | | 6/1890 | SHYB |
| Salix aurita x repens = S. x ambigua | GB, VC9 Dorset, Littlesea | Edward Francis Linton John Durbin Gray | John Durbin Gray | 7/1890 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC36 Herefordshire, Whitney | Margaret Dawber | John Durbin Gray | 29/8/1890 | CGE |
| Rubus chloocladus | GB, VC19 North Essex, Great Horkesley | John Durbin Gray | | 1/9/1890 | ABS |
| Rubus armeniacus | GB, VC19 North Essex, Great Horkesley | John Durbin Gray | | 1/9/1890 | SLBI |
| Rubus armeniacus | GB, VC19 North Essex, Great Horkesley | John Durbin Gray | | 1/9/1890 | SLBI |
| 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 |
| 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 |
| Pentaglottis sempervirens | GB, VC26 West Suffolk, Nayland | John Durbin Gray | | 6/1893 | SHYB |
| Pentaglottis sempervirens | GB, VC26 West Suffolk, Nayland | John Durbin Gray | S A Chambers | 6/1893 | SLBI |
| Carex riparia | GB, VC26 West Suffolk, Nayland | John Durbin Gray | Edward Francis Linton | 7/1893 | BM |
| Carex acutiformis | GB, VC26 West Suffolk, Nayland | John Durbin Gray | Edward Francis Linton | 7/1893 | BM |
| 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 |
| Oxalis stricta | GB, VC26 West Suffolk, Nayland | John Durbin Gray | Harold Stuart Thompson | 8/1893 | BIRM |
| Hydrocharis morsus-ranae | GB, VC26 West Suffolk, Stoke by Nayland | John Durbin Gray | Alexander Somerville | 8/1893 | 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 |
| Salix fragilis x alba = S. x rubens | GB, VC30 Bedfordshire, Purvey | Edward Francis Linton | John Durbin Gray | 17/4/1894 | CGE |
+ | Cytisus scoparius subsp. maritimus | GB, VC113 Channel Islands, Guernsey,Pleimont | John Durbin Gray | Charles Bailey | 6/1894 | MANCH |
+ | Hypericum linariifolium | GB, VC113 Channel Islands, Guernsey | John Durbin Gray | Charles Edgar Salmon | 7/1894 | MANCH |
+ | 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 |
| Lythrum hyssopifolia | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | John Durbin Gray | William Hunt Painter | 7/1894 | SHYB |
+ | Echium plantagineum | GB, VC113 Channel Islands, Guernsey,Moulin Huet Bay | John Durbin Gray | | 24/7/1894 | MANCH |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Kerne Bridge | Edward Francis Linton | John Durbin Gray | 20/8/1894 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC10 Isle of Wight, Newbridge | James Henry Augustus Steuart | John Durbin Gray | 9/1894 | CGE |
+ | Arnoseris minima | GB, VC11 South Hampshire, Christchurch, Hengistbury Head | John Durbin Gray | Charles Edgar Salmon | 1895 | MANCH |
| Briza maxima | GB, VC113 Channel Islands, Guernsey,Vazon Bay | John Durbin Gray | William Hunt Painter | 6/1895 | ABS |
| Callitriche truncata | GB, VC113 Channel Islands, Guernsey,Grande Mare | John Durbin Gray | | 7/1895 | SHYB |
| Rosa obtusifolia | GB, VC26 West Suffolk, Nayland | John Durbin Gray | | 6/1898 | ABS |
| Rubus dasyphyllus | GB, VC26 West Suffolk, Polstead | John Durbin Gray | Richard Spiers Standen | 9/8/1898 | SLBI |
| Oenothera stricta | GB, VC5 South Somerset, Minehead Warren | Harold Stuart Thompson John Durbin Gray Leslie Beeching Hall | Harold Stuart Thompson | 7/1922 | BIRM |