Chaenomeles japonica
Japanese Quince
Chaenorhinum minus
Small Toadflax
Chaenorhinum origanifolium
Malling Toadflax
Chaerophyllum temulum
Rough Chervil
Chamaecereus silvestri
Peanut Cactus
Chamaecyparis lawsoniana
Lawson's Cypress
Chamaecyparis obtusa
Hinoki Cypress
Chamaecyparis pisifera
Sawara Cypress
Chamaenerion angustifolium
Rosebay Willowherb
Chamelaucium uncinatum
Geraldton waxflower
Chelidonium majus
Greater Celandine
Chenopodiastrum murale
Nettle-leaved Goosefoot
Chenopodium album
Fat-hen
Chenopodium vulvaria
Stinking Goosefoot
Chlorophytum comosum
Spider-plant
Chlorophytum orchidastrum
Orange Spider Plant
Christia vespertilionis
Red Butterfly Wing
Chromolaena odorata
Devil Weed
Chrysanthemum indicum
Indian Chrysanthemum
Chrysophyllum cainito
Star Apple
Chrysosplenium
Chrysosplenium alternifolium
Alternate-leaved Golden-saxifrage
Chrysosplenium oppositifolium
Opposite-leaved Golden-saxifrage
Chrysothemis pulchella
Sunset Bells
Cichorium intybus
Chicory
Circaea alpina
Alpine Enchanter's-nightshade
Circaea lutetiana
Enchanter's-nightshade
Circaea x intermedia
Upland Enchanter's-nightshade
Cirsium acaule
Dwarf Thistle
Cirsium arvense
Creeping Thistle
Cirsium dissectum
Meadow Thistle
Cirsium eriophorum
Woolly Thistle
Cirsium heterophyllum
Melancholy Thistle
Cirsium oleraceum
Cabbage Thistle
Cirsium palustre
Marsh Thistle
Cirsium vulgare
Spear Thistle
Cirsium x celakovskianum
Cissus verticillata
Princess Vine
Cistus
Rockrose
Cistus salviifolius
Sage-leaved Rock-rose
Claytonia perfoliata
Springbeauty
Claytonia sibirica
Pink Purslane
Clematis cirrhosa
Early Virgin's-bower
Clematis montana
Himalayan Clematis
Clematis rehderiana
Clematis serratifolia
Korean Clematis
Clematis sp.
Clematis vitalba
Traveller's-joy
Clematis x durandii
Clematis (x#durandii)
Cleome rutidosperma
Fringed Spider Flower
Cleome spinosa
Spiny Spiderflower
Cleome viscosa
Asian Spiderflower
Clerodendron chinensis
Glory Bower
Clerodendron paniculatum
Pagoda Flower
Clerodendron quadriloculare
Starburst Bush
Clinopodium acinos
Basil Thyme
Clinopodium ascendens
Common Calamint
Clinopodium vulgare
Wild Basil
Clitoria ternatea
Asian Pigeonwings
Clivia spp.
Cnidoscolus aconitifolius
Chaya
Coastal Redwood fallen - re-growing
Coastal Redwood
Coccinia grandis
Ivy Gourd
Cochlearia anglica
English Scurvygrass
Cochlearia danica
Danish Scurvygrass
Cochlearia officinalis
Common Scurvygrass
Cochlearia officinalis agg
Common Scurvygrass
Cochlearia officinalis agg.
Scurvygrass
Cocos nucifera
Coconut
Codiaenum variegatum
Fire Croton