Carlina vulgaris
Carline Thistle
Carpinus betulus
Hornbeam
Carum verticillatum
Whorled Caraway
Castanea sativa
Sweet Chestnut
Cedrus libani
Cedar-of-Lebanon
Centaurea debeauxii
Slender Knapweed
Centaurea nigra
Common Knapweed
Centaurea scabiosa
Greater Knapweed
Centaurium erythraea
Common Centaury
Centaurium scilloides
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
Chelidonium majus
Greater Celandine
Chenopodium rubrum
Red Goosefoot
Chenopodium vulvaria
Stinking Goosefoot