| Cuscuta epithymum | GB, VC17 Surrey, Wimbledon Common | Wilson Crosfield Worsdell | George Valentine Chapman Last | 28/7/1895 | K |
| Cuscuta epithymum | GB, VC17 Surrey, Wimbledon Common | Wilson Crosfield Worsdell | George Valentine Chapman Last | 28/7/1895 | K |
| Cuscuta epithymum | GB, VC17 Surrey, Wimbledon Common | Wilson Crosfield Worsdell | George Valentine Chapman Last | 28/7/1895 | K |
| Hordeum marinum | GB, VC19 North Essex, Salcott | James Arden Whellan | George Valentine Chapman Last | 2/7/1944 | K |
| Ajuga chamaepitys | GB, VC20 Hertfordshire, Hitchin | | George Valentine Chapman Last | 2/9/1933 | K |
| Torilis arvensis | GB, VC20 Hertfordshire, Hitchin | George Valentine Chapman Last | George Valentine Chapman Last | 7/1937 | K |
| Ranunculus arvensis | GB, VC22 Berkshire, Harwell | Alban Edward Lomax | George Valentine Chapman Last | 29/5/1891 | K |
| Ophrys insectifera | GB, VC22 Berkshire, Newbury | Arthur Reginald Horwood | George Valentine Chapman Last | 8/6/1903 | K |
| Stachys germanica | GB, VC22 Berkshire, Oxford Cultivated | George Valentine Chapman Last | George Valentine Chapman Last | 1938 | K |
| Linaria repens | GB, VC22 Berkshire, Reading | Albert Bruce Jackson | George Valentine Chapman Last | 8/1903 | K |
| Linaria vulgaris x repens = L. x sepium | GB, VC22 Berkshire, Reading | Albert Bruce Jackson | George Valentine Chapman Last | 8/1903 | K |
| Linaria vulgaris x repens = L. x sepium | GB, VC22 Berkshire, Reading | Albert Bruce Jackson | George Valentine Chapman Last | 8/1903 | K |
| Stachys germanica | GB, VC23 Oxfordshire | | George Valentine Chapman Last | 7/7/1929 | K |
| Veronica praecox | GB, VC26 West Suffolk, Barton Mills | James Arden Whellan | George Valentine Chapman Last | 22/4/1944 | K |
| Verbascum pulverulentum | GB, VC27 East Norfolk, Hellesdon | Alban Edward Lomax | George Valentine Chapman Last | 7/1899 | K |
| Verbascum pulverulentum | GB, VC27 East Norfolk, Norwich | Harwood | George Valentine Chapman Last | 1838 | K |
| Veronica spicata | GB, VC28 West Norfolk, Garboldisham | James Arden Whellan | George Valentine Chapman Last | 18/8/1944 | K |
| Hordeum marinum | GB, VC28 West Norfolk, King's Lynn | John Brown | George Valentine Chapman Last | 5/8/1943 | K |
| Veronica catenata | GB, VC28 West Norfolk, Wretham | Wilson Crosfield Worsdell | George Valentine Chapman Last | 7/9/1935 | K |
| Lamium amplexicaule | GB, VC29 Cambridgeshire, Cambridge | Percy | George Valentine Chapman Last | 1832 | K |
+ | Ranunculus ophioglossifolius | GB, VC33 East Gloucestershire, Badgeworth | George Valentine Chapman Last | | 4/7/1939 | MANCH |
+ | Ranunculus ophioglossifolius | GB, VC33 East Gloucestershire, Badgeworth | George Valentine Chapman Last | | 4/7/1939 | MANCH |
| Campanula patula | GB, VC35 Monmouthshire, Cwmyoy | Wilson Crosfield Worsdell | George Valentine Chapman Last | 8/1931 | K |
| Campanula patula | GB, VC36 Herefordshire, Peterchurch | George Valentine Chapman Last | | 19/9/1900 | K |
| Verbascum nigrum | GB, VC38 Warwickshire, Kenilworth | Forrest | George Valentine Chapman Last | 1891 | K |
| Bupleurum tenuissimum | GB, VC41 Glamorganshire, Cardiff | Wilson Crosfield Worsdell | George Valentine Chapman Last | 7/1926 | K |
| Misopates orontium | GB, VC45 Pembrokeshire, Broad Haven | George Valentine Chapman Last | George Valentine Chapman Last | 3/7/1939 | K |
| Misopates orontium | GB, VC45 Pembrokeshire, Fishguard | George Valentine Chapman Last | George Valentine Chapman Last | 1/7/1939 | K |
| Thymus praecox subsp. arcticus | GB, VC47 Montgomeryshire, Llangynog | George Valentine Chapman Last | George Valentine Chapman Last | 5/7/1894 | K |
| Limosella australis | GB, VC48 Merionethshire, Glaslyn | Hubert Frederick Dovaston | George Valentine Chapman Last | 2/8/1941 | K |
| Limosella australis | GB, VC48 Merionethshire, Minffordd | James Arden Whellan | George Valentine Chapman Last | 9/7/1940 | K |
+ | Hypericum linariifolium | GB, VC49 Caernarvonshire | Hubert Frederick Dovaston | Arthur John Farmer George Valentine Chapman Last | 1941 | MANCH |
| Galeopsis segetum | GB, VC49 Caernarvonshire, Bangor | John Edwards Griffith | George Valentine Chapman Last | 1890 | K |
| Scutellaria minor | GB, VC49 Caernarvonshire, Beddgelert, Moel Lefn | George Valentine Chapman Last | George Valentine Chapman Last | 29/8/1941 | K |
| Plantago maritima | GB, VC49 Caernarvonshire, Cwm Idwal, Gribin | Hubert Frederick Dovaston | George Valentine Chapman Last | 7/8/1940 | K |
| Clinopodium ascendens | GB, VC49 Caernarvonshire, Great Orme | George Valentine Chapman Last | George Valentine Chapman Last | 14/7/1905 | K |
| Origanum vulgare | GB, VC49 Caernarvonshire, Great Orme | George Valentine Chapman Last | George Valentine Chapman Last | 22/7/1894 | K |
| Veronica spicata | GB, VC49 Caernarvonshire, Great Orme | George Valentine Chapman Last | George Valentine Chapman Last | 22/7/1894 | K |
| Veronica spicata | GB, VC49 Caernarvonshire, Great Orme | George Valentine Chapman Last | George Valentine Chapman Last | 22/7/1894 | K |
| Mentha aquatica | GB, VC49 Caernarvonshire, Llandudno | George Valentine Chapman Last | George Valentine Chapman Last | 23/9/1906 | K |