+ | Centaurea calcitrapa | GB, VC3 South Devon, Exmouth | | Elizabeth Anne Lomax | 8/1877 | MANCH |
+ | Centaurea cyanus | GB, Wiltshire, Wiltshire | William Moyle Rogers | Elizabeth Anne Lomax | 9/1873 | MANCH |
+ | Cephalanthera longifolia | GB, VC62 North-east Yorkshire, Scarborough,Forge Valley | Elizabeth Anne Lomax | | 5/1875 | MANCH |
+ | Cerastium arcticum | GB, VC92 South Aberdeenshire, Braemar,Craig-na-dal-beag | Augustin Ley | Coslett Herbert Waddell Elizabeth Anne Lomax | 14/7/1876 | MANCH |
| Cerastium diffusum | GB, VC3 South Devon, Torquay | Elizabeth Anne Lomax | William Hadden Beeby | 5/1883 | SLBI |
+ | Cerastium pumilum | GB, VC3 South Devon, Torquay | Elizabeth Anne Lomax | Charles Bailey | 5/1883 | MANCH |
+ | Cerastium pumilum | GB, VC34 West Gloucestershire, Clifton | James Walter White | Elizabeth Anne Lomax | 15/4/1889 | MANCH |
| Chelidonium majus var. laciniatum | GB, VC11 South Hampshire, Christchurch | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles | 5/1880 | BIRM |
+ | Chenopodium glaucum | GB, VC21 Middlesex, Palmer's Green | William Richardson Linton | Botanical Exchange Club of The British Isles Elizabeth Anne Lomax William Richardson Linton | 29/9/1885 | MANCH |
+ | Chenopodium murale | GB, VC58 Cheshire, Birkenhead | Elizabeth Anne Lomax | Charles Bailey | 19/8/1880 | MANCH |
+ | Cicendia filiformis | GB, VC1 West Cornwall, Lizard | William Curnow | Elizabeth Anne Lomax | 9/1879 | MANCH |
+ | Cicendia filiformis | GB, VC1 West Cornwall, Penzance | Elizabeth Anne Lomax | Elizabeth Anne Lomax | 8/1870 | MANCH |
+ | Cicendia filiformis | GB, VC1 West Cornwall, Penzance | Elizabeth Anne Lomax | Schill Elizabeth Anne Lomax | 8/1876 | MANCH |
| Circaea alpina | GB, VC69 Westmorland, Lake Windermere | Elizabeth Anne Lomax | William Hunt Painter | 7/1887 | SHYB |
+ | Circaea lutetiana x alpina = C. x intermedia | GB, VC43 Radnorshire | Augustin Ley | Elizabeth Anne Lomax | 10/7/1889 | MANCH |
+ | Circaea lutetiana x alpina = C. x intermedia | GB, VC43 Radnorshire, Aberedw | Augustin Ley | Elizabeth Anne Lomax | 7/1889 | MANCH |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Lake Windermere | Elizabeth Anne Lomax | William Hunt Painter | 3/8/1886 | ABS |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Lake Windermere | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles Augustin Ley | 3/8/1886 | BIRM |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles Charles Bailey | 3/8/1886 | BIRM |
+ | Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | Elizabeth Anne Lomax | Charles Bailey | 3/8/1886 | MANCH |
+ | Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | | Elizabeth Anne Lomax | 3/8/1886 | MANCH |
| Circaea lutetiana x alpina = C. x intermedia | GB, VC69 Westmorland, Windermere | Elizabeth Anne Lomax | Botanical Exchange Club of The British Isles | 3/8/1886 | SLBI |
+ | Cirsium tuberosum | GB, VC8 South Wiltshire, Great Ridge Wood Cultivated | W Wheeler William Moyle Rogers | Elizabeth Anne Lomax | 7/1875 | MANCH |
+ | Clinopodium ascendens | GB, VC3 South Devon, Ivybridge | Thomas Richard Archer Briggs | Elizabeth Anne Lomax | 15/9/1877 | MANCH |
| Consolida ajacis | GB, VC1 West Cornwall, Marazion | Elizabeth Anne Lomax | | 8/1876 | MANCH |
+ | Corallorhiza trifida | GB, VC68 North Northumberland, Cheviotland | Henry Elliott Fox | Elizabeth Anne Lomax | 5/8/1884 | MANCH |
+ | Cornus suecica | GB, VC62 North-east Yorkshire, Hole of Horcum | | Elizabeth Anne Lomax | 7/1870 | MANCH |
+ | Cotoneaster cambricus | GB, VC49 Caernarvonshire, Llandudno,Great Orme | W G Percy | Elizabeth Anne Lomax | 6/1848 | MANCH |
+ | Crepis foetida | GB, VC6 North Somerset, Bath,Bathampton | Thomas Bruges Flower | Elizabeth Anne Lomax | 7/1876 | MANCH |
+ | Crepis mollis | GB, VC92 South Aberdeenshire, Braemar | Elizabeth Anne Lomax | Elizabeth Anne Lomax | 9/1879 | MANCH |
+ | Cynodon dactylon | GB, VC1 West Cornwall, Marazion Green | Elizabeth Anne Lomax | Charles Bailey | 8/1872 | MANCH |
+ | Cynodon dactylon | GB, VC1 West Cornwall, Penzance,Marazion | Elizabeth Anne Lomax | Elizabeth Anne Lomax | 8/1872 | MANCH |
+ | Cynoglossum germanicum | GB, VC19 North Essex, Braxted | | Elizabeth Anne Lomax | 9/1873 | MANCH |
+ | Cypripedium calceolus | GB, VC66 County Durham, Castle Eden | Elizabeth Anne Lomax | | | MANCH |
+ | Cytisus scoparius subsp. maritimus | GB, VC1 West Cornwall, The Lizard | Francis José | Elizabeth Anne Lomax | 6/1873 | MANCH |
| Daphne laureola | GB, VC37 Worcestershire, Malvern | Elizabeth Anne Lomax | Elizabeth Anne Lomax | 3/1871 | MANCH |
| Daucus carota | GB, VC1 West Cornwall, Penzance | Elizabeth Anne Lomax | Augustin Ley | 1/8/1873 | BIRM |
| Deschampsia cespitosa subsp. alpina | GB, VC92 South Aberdeenshire, Braemar | James Cosmo Melvill | Robert Large Baker Elizabeth Anne Lomax | 7/1878 | BIRM |
+ | Deschampsia cespitosa subsp. alpina | GB, VC92 South Aberdeenshire, Lochnagar | John Whitehead | Elizabeth Anne Lomax | 7/1876 | MANCH |
+ | Dianthus armeria | GB, VC3 South Devon, Tracey | Elizabeth Anne Lomax | | 6/1878 | MANCH |