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
Clematis vitalba
Traveller's-joy
Clinopodium acinos
Basil Thyme
Clinopodium vulgare
Wild Basil
Cochlearia danica
Danish Scurvygrass
Cochlearia officinalis
Common Scurvygrass
Cochlearia officinalis agg.
Scurvygrass
Coeloglossum viride
Frog Orchid
Colchicum
Colchicum autumnale
Meadow Saffron
Colobanthus quitensis
Antarctic pearlwort
Comarum palustre
Marsh Cinquefoil
Conopodium majus
Pignut
Convallaria majalis
Lily-of-the-valley