Centaurium portense
Perennial Centaury
Centranthus ruber
Red Valerian
Cephalanthera damasonium
White Helleborine
Cephalanthera rubra
Red Helleborine
Cerastium semidecandrum
Little Mouse-ear
Cerastium tomentosum
Snow-in-summer
Ceratocapnos claviculata
Climbing Corydalis
Ceratostigma plumbaginoides
Plumbago
Chaenorhinum minus
Small Toadflax
Chaenorhinum origanifolium
Malling Toadflax
Chaerophyllum temulum
Rough Chervil
Chamaecyparis lawsoniana
Lawson's Cypress
Chamaenerion angustifolium
Rosebay Willowherb
Chelidonium majus
Greater Celandine
Chenopodium album
Fat-hen
Chenopodium vulvaria
Stinking Goosefoot
Chrysosplenium alternifolium
Alternate-leaved Golden-saxifrage
Chrysosplenium oppositifolium
Opposite-leaved Golden-saxifrage
Cichorium intybus
Chicory
Circaea alpina
Alpine Enchanter's-nightshade
Circaea lutetiana
Enchanter's-nightshade
Circaea x intermedia
Upland Enchanter's-nightshade
Cirsium acaule
Dwarf Thistle
Cirsium arvense
Creeping Thistle