Cercis siliquastrum
Judas-tree
Chaenomeles japonica
Japanese Quince
Chaenorhinum minus
Small Toadflax
Chaenorhinum origanifolium
Malling Toadflax
Chaerophyllum temulum
Rough Chervil
Chamaecereus silvestri
Peanut Cactus
Chamaenerion angustifolium
Rosebay Willowherb
Chamelaucium uncinatum
Geraldton waxflower
Chelidonium majus
Greater Celandine
Chenopodiastrum murale
Nettle-leaved Goosefoot
Chenopodium album
Fat-hen
Chenopodium vulvaria
Stinking Goosefoot
Chromolaena odorata
Devil Weed
Chrysosplenium
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
Cirsium dissectum
Meadow Thistle
Cirsium eriophorum
Woolly Thistle