Cerastium tomentosum
Snow-in-summer
Chaenorhinum minus
Small Toadflax
Chaerophyllum temulum
Rough Chervil
Chamaenerion angustifolium
Rosebay Willowherb
Chelidonium majus
Greater Celandine
Cichorium intybus
Chicory
Cirsium arvense
Creeping Thistle
Cirsium vulgare
Spear Thistle
Claytonia sibirica
Pink Purslane
Clematis vitalba
Traveller's-joy
Clinopodium ascendens
Common Calamint
Cochlearia danica
Danish Scurvygrass
Conium maculatum
Hemlock
Convolvulus arvensis
Field Bindweed
Coriandrum sativum
Coriander
Cornus sanguinea
Dogwood
Corylus avellana
Hazel
Cotoneaster horizontalis
Wall Cotoneaster
Cotoneaster integrifolius
Entire-leaved Cotoneaster
Crataegus monogyna
Hawthorn
Crepis biennis
Rough Hawk's-beard
Crepis vesicaria
Beaked Hawk's-beard
Crocosmia x crocosmiiflora
Montbretia
Cymbalaria muralis
Ivy-leaved Toadflax