| Cerastium alpinum | GB, VC90 Angus, Caenlochan Glen | | | 7/1849 | BIRM |
| Cerastium alpinum | GB, VC88 Mid Perthshire, Ben Lawers | | | 4/7/1926 | BIRM |
| Cerastium arcticum | GB, VC92 South Aberdeenshire, Braemar | | | 14/7/1876 | BIRM |
| Cerastium arcticum | GB, VC97 West Inverness-shire, Spean Bridge | | | 12/8/1832 | BIRM |
| Cerastium arcticum | GB, VC97 West Inverness-shire, Ben Nevis | | | 7/8/1832 | BIRM |
| Cerastium arvense | GB, VC28 West Norfolk, North Pickenham | | | 9/11/1912 | BIRM |
| Cerastium arvense | GB, VC37 Worcestershire, Habberley Valley | | | 5/5/1932 | BIRM |
| Cerastium arvense | GB, VC61 South-east Yorkshire, Brough | | | 6/1878 | BIRM |
| Cerastium cerastoides | GB, VC97 West Inverness-shire, Spean Bridge | | | 12/8/1832 | BIRM |
| Cerastium glomeratum | GB, VC38 Warwickshire, Kenilworth | | | 5/1874 | BIRM |
| Cerastium glomeratum | GB, VC38 Warwickshire, Radford | | | 6/1873 | BIRM |
| Cerastium pumilum | GB, VC23 Oxfordshire, Stonesfield | | | 5/1933 | BIRM |
| Cerastium pumilum | | | | 8/5/1918 | BIRM |
| Cerastium pumilum | GB, VC10 Isle of Wight, Bembridge Down | | | 11/7/1917 | BIRM |
| Cerastium semidecandrum | GB, VC39 Staffordshire, Mill Dale | | | 1877 | BIRM |
| Cerastium semidecandrum | GB, VC64 Mid-west Yorkshire, Poppleton | | | 18/5/1879 | BIRM |
| Cerastium tetrandrum | GB, VC108 West Sutherland, Durness | | | 12/6/1866 | BIRM |
| Cerastium tetrandrum | GB, VC96 East Inverness-shire, Nairn | | | 11/7/1874 | BIRM |
| Cerastium vulgatum | GB, VC38 Warwickshire, Kenilworth | | | 5/1872 | BIRM |
| Ceratocapnos claviculata | GB, VC37 Worcestershire, Lickey Hills | | | 3/5/1902 | BIRM |
| Chenopodium murale | GB, VC61 South-east Yorkshire, Spurn Peninsula | | | 16/8/1881 | BIRM |
| Chenopodium rubrum | GB, VC61 South-east Yorkshire, Bridlington | | | 4/9/1880 | BIRM |
| Chrysanthemum leucanthemum | GB, VC64 Mid-west Yorkshire, Hellifield | | | 24/6/1876 | BIRM |
| Chrysanthemum parthenium | GB, VC38 Warwickshire, Hampton in Arden | | | 19/8/1871 | BIRM |
| Cirsium eriophorum | | | | | BIRM |
| Cochlearia pyrenaica subsp. alpina | GB, VC49 Caernarvonshire, Craig Dulyn | | | 17/8/1886 | BIRM |
| Cruciata laevipes | GB, VC30 Bedfordshire, Woburn | | | 22/6/1878 | BIRM |
| Cruciata laevipes | GB, VC38 Warwickshire, Earlswood | | | 11/6/1886 | BIRM |
| Cuscuta epithymum | GB, VC44 Carmarthenshire, Glynhir Mansion | | | 25/8/1897 | BIRM |
| Cystopteris fragilis | GB, VC70 Cumberland, Helvellyn | | | 7/9/1871 | BIRM |
| Danthonia decumbens | GB, VC38 Warwickshire, Sutton Park | | | 6/1879 | BIRM |
| Daucus maritimus | GB, VC10 Isle of Wight, Freshwater | | | 7/8/1947 | BIRM |
| Dianthus deltoides | GB, VC14 East Sussex, Worth | | | 8/1874 | BIRM |
| Dianthus deltoides | GB, VC14 East Sussex, Worth | | | 8/1874 | BIRM |
| Drosera rotundifolia | GB, VC20 Hertfordshire, Bagshot Heath | | | | BIRM |
| Dryopteris carthusiana | GB, VC38 Warwickshire, Kenilworth | | | 1872 9/1872 | BIRM |
| Dryopteris carthusiana | GB, VC38 Warwickshire, Clowes Wood, Earlswood | | | | BIRM |
| Dryopteris dilatata | GB, VC70 Cumberland, Keswick | | | 9/1875 | BIRM |
| Dryopteris dilatata | GB, VC10 Isle of Wight, Shanklin | | | 1915 | BIRM |
| Dryopteris dilatata | GB, VC38 Warwickshire, Kenilworth | | | 1887 | BIRM |