| Aceras anthropophorum | GB, VC16 West Kent, Eynsford | Wilson Crosfield Worsdell | George Valentine Chapman Last | 23/5/1897 | K |
| Ajuga chamaepitys | GB, Kent, Kent | John Percy | George Valentine Chapman Last | 1839 | K |
| Ajuga chamaepitys | GB, VC17 Surrey, Burford Bridge | Wilson Crosfield Worsdell | George Valentine Chapman Last | 16/9/1900 | K |
| Ajuga chamaepitys | GB, VC20 Hertfordshire, Hitchin | | George Valentine Chapman Last | 2/9/1933 | K |
| Antennaria dioica | GB, VC59 South Lancashire, Ainsdale (?) | George Valentine Chapman Last | Arthur John Farmer | 22/5/1942 | MANCH |
| Antirrhinum majus | GB, VC58 Cheshire, Eastham | George Valentine Chapman Last | George Valentine Chapman Last | 27/8/1942 | K |
| Antirrhinum majus | GB, VC59 South Lancashire, Freshfield | George Valentine Chapman Last | George Valentine Chapman Last | 16/9/1943 | K |
| Astragalus danicus | GB, VC62 North-east Yorkshire, Allerston | Wilson Crosfield Worsdell | George Valentine Chapman Last | 20/6/1931 | K |
| Astragalus danicus | GB, VC62 North-east Yorkshire, Saltburn | George Valentine Chapman Last | George Valentine Chapman Last | 17/7/1920 | K |
| Baldellia ranunculoides | GB, VC17 Surrey, Richmond Park | Wilson Crosfield Worsdell | George Valentine Chapman Last | 3/8/1918 | K |
| Baldellia ranunculoides | GB, VC58 Cheshire, West Kirby | George Valentine Chapman Last | George Valentine Chapman Last | 21/7/1895 | K |
| Baldellia ranunculoides | GB, VC69 Westmorland, Arnside | Wilson Crosfield Worsdell | George Valentine Chapman Last | 7/1893 | K |
| Blysmus compressus | GB, VC59 South Lancashire, Freshfield | George Valentine Chapman Last | | 22/8/1940 | K |
| Blysmus compressus | GB, VC66 County Durham, Teesdale | Wilson Crosfield Worsdell | George Valentine Chapman Last | 22/7/1901 | K |
| Bupleurum tenuissimum | GB, VC14 East Sussex, Eastbourne | Alban Edward Lomax | George Valentine Chapman Last | 19/8/1886 | K |
| Bupleurum tenuissimum | GB, VC41 Glamorganshire, Cardiff | Wilson Crosfield Worsdell | George Valentine Chapman Last | 7/1926 | K |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | George Valentine Chapman Last | Arthur John Farmer | 18/8/1940 | MANCH |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | George Valentine Chapman Last | Arthur John Farmer | 18/8/1940 | MANCH |
+ | Calamagrostis stricta | GB, VC58 Cheshire, Delamere | George Valentine Chapman Last | Arthur John Farmer | 18/8/1940 | MANCH |
| Callitriche | GB, VC69 Westmorland, Humphrey Head | Wilson Crosfield Worsdell | George Valentine Chapman Last | 8/1892 | K |
| Callitriche autumnalis | GB, VC59 South Lancashire, Knowsley | George Valentine Chapman Last | George Valentine Chapman Last | 14/9/1939 | K |
| Callitriche truncata | GB, VC56 Nottinghamshire, Misterton | Hubert Frederick Dovaston | George Valentine Chapman Last | 8/1943 | K |
| Callitriche truncata | GB, VC59 South Lancashire, Knowsley | George Valentine Chapman Last | George Valentine Chapman Last | 14/9/1939 | K |
| Callitriche truncata | GB, VC113 Channel Islands, Guernsey | D S Playfair | George Valentine Chapman Last | 1897 | K |
| 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 |
| Cephalanthera longifolia | GB, VC12 North Hampshire, Selborne | Wilson Crosfield Worsdell | George Valentine Chapman Last | 28/6/1902 | K |
| Ceratophyllum demersum | GB, VC59 South Lancashire, Knowsley Park | George Valentine Chapman Last | Manchester Museum Arthur John Farmer | 14/9/1939 | MANCH |
| Chaenorhinum minus | GB, VC59 South Lancashire, Freshfield | George Valentine Chapman Last | George Valentine Chapman Last | 22/8/1940 | K |
| Chaenorhinum minus | GB, VC69 Westmorland, Arnside | Wilson Crosfield Worsdell | George Valentine Chapman Last | 11/8/1900 | K |
| Clinopodium ascendens | GB, VC6 North Somerset, Axbridge | George Valentine Chapman Last | George Valentine Chapman Last | 9/1905 | K |
| Clinopodium ascendens | GB, VC49 Caernarvonshire, Great Orme | George Valentine Chapman Last | George Valentine Chapman Last | 14/7/1905 | K |
+ | Cornus suecica | GB, East Yorkshire, Saltinsgate? | George Valentine Chapman Last | Arthur John Farmer | 29/7/1939 | MANCH |
| Cuscuta epithymum | GB, VC3 South Devon, Berry Head | Hubert Frederick Dovaston | George Valentine Chapman Last | 26/8/1943 | K |
| Cuscuta epithymum | GB, VC3 South Devon, Hemyock | Wilson Crosfield Worsdell | George Valentine Chapman Last | 8/1924 | 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 |
| Cuscuta epithymum | GB, VC17 Surrey, Wimbledon Common | Wilson Crosfield Worsdell | George Valentine Chapman Last | 28/7/1895 | K |
| Cymbalaria muralis | GB, VC58 Cheshire, Denhall | George Valentine Chapman Last | George Valentine Chapman Last | 31/8/1939 | K |
| Cymbalaria muralis | GB, VC60 West Lancashire, Bolton le Sands | George Valentine Chapman Last | George Valentine Chapman Last | 6/7/1895 | K |