| Carex distans | GB, VC29 Cambridgeshire, Comberton | Charles Cardale Babington | George Stephen West William West | 4/6/1849 | BIRM |
| Carex distans | GB, VC90 Angus, Usan | | Charles Cardale Babington George Stephen West | 6/1844 | BIRM |
| Carex divisa | GB, VC25 East Suffolk, Belton | Charles Cardale Babington | George Stephen West William West | 8/6/1847 | BIRM |
| Carex echinata | GB, VC63 South-west Yorkshire, Sheffield | | Charles Cardale Babington George Stephen West | 7/6/1846 | BIRM |
| Carex elongata | IE, VCH39 Co. Antrim, Lough Neagh | David Moore | Charles Cardale Babington George Stephen West | | BIRM |
| Carex ericetorum | GB, VC29 Cambridgeshire, Gog Magog Hills | Charles Cardale Babington | Charles Cardale Babington George Stephen West | 28/5/1861 | BIRM |
| Carex extensa | GB, VC85 Fifeshire, Fife | Scott | Botanical Society of Edinburgh Charles Cardale Babington George Stephen West | 7/1836 | BIRM |
| Carex extensa | GB, VC113 Channel Islands, Guernsey | Charles Cardale Babington | George Stephen West | | BIRM |
| Carex hostiana | IE, VCH1 South Kerry, Killarney | Charles Cardale Babington | George Stephen West William West | 4/9/1843 | BIRM |
| Carex lasiocarpa | GB, VC31 Huntingdonshire, Holme Fen | | Charles Cardale Babington George Stephen West | 6/12/1846 | BIRM |
| Carex magellanica | GB | | Charles Cardale Babington George Stephen West | 7/5/1842 | BIRM |
| Carex maritima | GB, VC90 Angus, Barry Sands | William Gardiner | Charles Cardale Babington George Stephen West William Gardiner | 5/1844 | BIRM |
| Carex maritima | GB, VC92 South Aberdeenshire, Aberdeen, Old Town Links | | Charles Cardale Babington George Stephen West | | BIRM |
| Carex pallescens | GB, VC13 West Sussex, Chichester | | Charles Cardale Babington George Stephen West | 6/9/1843 | BIRM |
| Carex paniculata | GB, VC29 Cambridgeshire, Bottisham Fen | Charles Cardale Babington | George Stephen West William West | 13/6/1851 | BIRM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC20 Hertfordshire, Balls Wood | William Higgins Coleman | Charles Cardale Babington George Stephen West William West | 3/7/1844 | BIRM |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC20 Hertfordshire, Hertford | William Higgins Coleman | Charles Cardale Babington George Stephen West William West | 7/3/1844 | BIRM |
| Carex pulla | GB, Mid-West Perthshire, Ben Vorlich | | Charles Cardale Babington George Stephen West | 8/5/1846 | BIRM |
| Carex pulla | GB, VC92 South Aberdeenshire, Cairntoul | James Backhouse | Charles Cardale Babington George Stephen West | 1850 | BIRM |
| Carex viridula subsp. viridula | GB, VC29 Cambridgeshire, Chippenham | Charles Cardale Babington | George Stephen West William West | 29/7/1852 | BIRM |
+ | Carex viridula s.l. | GB, VC29 Cambridgeshire, Bottisham Fen | Charles Cardale Babington | | 6/7/1849 | BIRM |
+ | Carex viridula s.l. | GB, VC45 Pembrokeshire, Penally | Charles Cardale Babington | | 25/8/1851 | BIRM |
| Catapodium marinum | GB, VC25,VC27, Yarmouth | Charles Cardale Babington | George Stephen West William West | 8/6/1847 | BIRM |
| Catapodium rigidum | GB, VC29 Cambridgeshire, Devil's Ditch | | Charles Cardale Babington George Stephen West | | BIRM |
| Centaurium latifolium | GB, VC52 Anglesey, Holyhead | Charles Cardale Babington | George Stephen West William West | 12/8/1862 | BIRM |
| Cerastium arcticum | | Hewett Cottrell Watson | Charles Cardale Babington George Stephen West Hewett Cottrell Watson | 1847 | BIRM |
| Cerastium pumilum | GB, VC3 South Devon, Torquay | Frederick Townsend | Charles Cardale Babington Harold Stuart Thompson Norman Douglas Simpson | 22/5/1858 | BIRM |
| Cerastium pumilum | GB, VC3 South Devon, Torquay | N Townend | Charles Cardale Babington George Stephen West William West | 22/5/1858 | BIRM |
| Cerastium pumilum | GB, VC6 North Somerset, Saint Vincent's Rocks | Charles Cardale Babington | George Stephen West William West | | BIRM |
| Cerastium semidecandrum | GB, VC29 Cambridgeshire, Chippenham | Charles Cardale Babington | George Stephen West | 23/6/1859 | BIRM |
| Cerastium tetrandrum | GB, VC3 South Devon, Torquay | Charles Cardale Babington | William West | | BIRM |
| Clematis vitalba | GB, VC38 Warwickshire, Warwick | | Charles Cardale Babington Frederick Townsend George Stephen West | 9/1845 | BIRM |
| Cochlearia officinalis subsp. scotica | GB, VC90 Angus, Forfarshire,Clova mountains | William Gardiner | Charles Cardale Babington George Stephen West | | BIRM |
| Coincya monensis subsp. cheiranthos | GB, VC113 Channel Islands, Jersey, Saint Aubins Bay | Charles Cardale Babington | Charles Cardale Babington | 1838 | BIRM |
| Consolida ajacis | GB, VC29 Cambridgeshire, Chippenham | Charles Cardale Babington | | 27/7/1859 | BIRM |
| Consolida ajacis | GB, VC29 Cambridgeshire, Chippenham | Charles Cardale Babington | | 27/7/1859 | BIRM |
| Consolida ajacis | GB, VC29 Cambridgeshire, Chippenham | Charles Cardale Babington | | 27/7/1859 | BIRM |
| Consolida ajacis | GB, VC29 Cambridgeshire, Chippenham | Charles Cardale Babington | | 27/7/1859 | BIRM |
| Consolida ajacis | GB, VC29 Cambridgeshire, Gog Magog Hills | Charles Cardale Babington | | 9/8/1852 | BIRM |
| Cuscuta europaea | GB, VC29 Cambridgeshire, Coton | Charles Cardale Babington | Charles Cardale Babington William West | 23/9/1862 | BIRM |