Cakile maritima
Sea Rocket
Calamagrostis canescens
Purple Small-reed
Calendula officinalis
Pot Marigold
Callitriche brutia
Pedunculate Water-starwort
Callitriche sp.
Callitriche stagnalis
Common Water-starwort
Calluna vulgaris
Heather
Caltha palustris
Marsh-marigold
Calystegia pulchra
Hairy Bindweed
Calystegia soldanella
Sea Bindweed
Camellia
Camellia (double)
Campanula latifolia
Giant Bellflower
Campanula patula
Spreading Bellflower
Campanula portenschlagiana
Adria Bellflower
Campanula rotundifolia
Harebell
Campanula trachelium
Nettle-leaved Bellflower
Cardamine corymbosa
New Zealand Bitter-cress
Cardamine flexuosa
Wavy Bitter-cress
Cardamine hirsuta
Hairy Bitter-cress
Cardamine impatiens
Narrow-leaved Bitter-cress
Cardamine pratensis
Cuckooflower
Cardiocrinum giganteum
Carduus crispus
Welted Thistle
Carduus nutans
Musk Thistle