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
Convolvulus arvensis
Field Bindweed
Cordyline australis
Cabbage-palm
Cornus capitata
Bentham's Dogwood
Corylus avellana
Hazel
Cotoneaster integrifolius
Entire-leaved Cotoneaster
Couroupita guianensis
Cannonball tree
Crassula helmsii
New Zealand Pigmyweed
Crataegus laevigata
Midland Hawthorn
Crataegus monogyna
Hawthorn
Crataegus rhipidophylla