Chara aspera
Rough Stonewort
Chara virgata
Delicate Stonewort
Chara vulgaris
Common Stonewort
Cheilymenia fimicola
Chelidonium majus
Greater Celandine
Chenopodiastrum murale
Nettle-leaved Goosefoot
Chenopodium album
Fat-hen
Chenopodium vulvaria
Stinking Goosefoot
Chlorociboria aeruginascens
Green Elfcup
Chrysosplenium
Chrysosplenium alternifolium
Alternate-leaved Golden-saxifrage
Chrysosplenium oppositifolium
Opposite-leaved Golden-saxifrage
Chrysosplenium oppositifolium and Umbilicus rupestris
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
Cirsium heterophyllum
Melancholy Thistle
Cirsium oleraceum
Cabbage Thistle
Cirsium palustre
Marsh Thistle