Chamaecyparis lawsoniana
Lawson's Cypress
Chamaecyparis obtusa
Japanese 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
Cirsium dissectum
Meadow Thistle
Cirsium heterophyllum
Melancholy Thistle
Cirsium oleraceum
Cabbage Thistle
Cirsium palustre
Marsh Thistle
Cirsium vulgare
Spear Thistle
Cirsium x celakovskianum
Cladium mariscus
Great Fen-sedge
Cladonia fimbriata
Claytonia perfoliata
Springbeauty
Claytonia sibirica
Pink Purslane