Carduus nutans
Musk Thistle
Carlina vulgaris
Carline Thistle
Carpinus betulus
Hornbeam
Carum carvi
Caraway
Cassia artemisioides
Feathery Cassia
Castanea sativa
Sweet Chestnut
Ceanothus dentatus
Ceanothus
Ceanothus sp.
Ceanothus
Ceanothus thyrsiflorus
Creeping Blueblossom
Cedrus atlantica
Atlas Cedar
Cedrus deodara
Deodar
Cedrus libani
Cedar-of-Lebanon
Centaurea cyanus
Cornflower
Cercidiphyllum japonicum
Katsura
Cercis siliquastrum
Judas-tree
Chaenomeles japonica
Japanese Quince
Chamaecereus silvestri
Peanut Cactus
Chamaecyparis lawsoniana
Lawson's Cypress
Chamaecyparis obtusa
Hinoki Cypress
Chamelaucium uncinatum
Geraldton waxflower
Chelidonium majus
Greater Celandine
Chlorophytum comosum
Spider-plant
Cistus
Rockrose
Cistus salviifolius
Sage-leaved Rock-rose