Cupressus nootkatensis
Nootka Cypress
Cuscuta epithymum
Dodder
Cuscuta europaea
Greater Dodder
Cymbalaria muralis
Ivy-leaved Toadflax
Cynoglossum officinale
Hound's-tongue
Cyrtomium fortunei
Fortune's cyrtomium
Cyrtophyllum fragrans
Tembusu
Cystopteris fragilis
Brittle Bladder-fern
Cytisus scoparius
Broom
Daboecia cantabrica
St Dabeoc's Heath
Dactylorhiza incarnata
Early Marsh-orchid
Dactylorhiza maculata
Heath Spotted-orchid
Dactylorhiza praetermissa
Southern Marsh-orchid
Dactylorhiza purpurella
Northern Marsh-orchid
Danthonia decumbens
Heath-grass
Daphne mezereum
Mezereon
Darmera peltata
Indian-rhubarb
Daucus carota
Carrot
Deschampsia cespitosa
Tufted Hair-grass
Dianthus deltoides
Maiden Pink
Dianthus gratianopolitanus
Cheddar Pink
Dicksonia antarctica
Australian Tree-fern
Digitalis purpurea
Foxglove
Diphasiastrum alpinum
Alpine Clubmoss