Campanula trachelium
Nettle-leaved Bellflower
Cantharanthus roseus
Pink Periwinkle
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 occulta
Cryptic Bittercress
Cardamine pratensis
Cuckooflower
Cardamine quinquefolia
Whorled Coralroot
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
Caryota mitis
Fishtail palm
Cassia artemisioides
Feathery Cassia
Castanea sativa
Sweet Chestnut
Ceanothus dentatus
Ceanothus
Ceanothus sp.
Ceanothus
Ceanothus thyrsiflorus
Creeping Blueblossom