Campanula portenschlagiana
Adria Bellflower
Campanula poscharskyana
Trailing Bellflower
Campanula rapunculoides
Creeping Bellflower
Campanula rotundifolia
Harebell
Campanula trachelium
Nettle-leaved Bellflower
Capsella bursa-pastoris
Shepherd's-purse
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
Carduus tenuiflorus
Slender Thistle
Carlina vulgaris
Carline Thistle
Carpinus betulus
Hornbeam
Carpobrotus edulis
Hottentot-fig
Carum carvi
Caraway
Cassia artemisioides
Feathery Cassia
Castanea sativa
Sweet Chestnut
Ceanothus dentatus
Ceanothus
Ceanothus sp.
Ceanothus
Ceanothus thyrsiflorus
Creeping Blueblossom