Calluna vulgaris
Heather
Calocedrus decurrens
Californian Incense-cedar
Caltha palustris
Marsh-marigold
Calycanthus occidentalis
Californian Allspice
Calystegia pulchra
Hairy Bindweed
Calystegia sepium
Hedge Bindweed
Calystegia silvatica
Large Bindweed
Calystegia soldanella
Sea Bindweed
Camassia quamash
Camellia
Camellia (double)
Camellia japonica
Camellia
Campanula bononiensis
Pale Bellflower
Campanula cervicaria
Bristly Bellflower
Campanula glomerata
Clustered Bellflower
Campanula latifolia
Giant Bellflower
Campanula patula
Spreading Bellflower
Campanula persicifolia
Peach-leaved Bellflower
Campanula portenschlagiana
Adria Bellflower
Campanula poscharskyana
Trailing Bellflower
Campanula rapunculoides
Creeping Bellflower
Campanula rotundifolia
Harebell
Campanula trachelium
Nettle-leaved Bellflower
Cantharanthus roseus
Pink Periwinkle
Capsella bursa-pastoris
Shepherd's-purse