Convallaria majalis
Lily-of-the-valley
Convolvulus arvensis
Field Bindweed
Cordyline australis
Cabbage-palm
Cordyline fruticosa
Ti Plant
Cornus capitata
Bentham's Dogwood
Corylus avellana
Hazel
Cotoneaster integrifolius
Entire-leaved Cotoneaster
Couroupita guianensis
Cannonball tree
Crassula helmsii
New Zealand Pigmyweed
Crataegus laevigata
Midland Hawthorn
Crataegus monogyna
Hawthorn
Crataegus rhipidophylla
Crepis foetida
Stinking Hawk's-beard
Crepis vesicaria
Beaked Hawk's-beard
Crithmum maritimum
Rock Samphire
Crocus nudiflorus
Autumn Crocus
Crocus tommasinianus
Early Crocus
Cruciata laevipes
Crosswort
Cryptogramma crispa
Parsley Fern
Cryptomeria japonica
Japanese Red-cedar
Cupressus nootkatensis
Nootka Cypress
Cuscuta epithymum
Dodder
Cuscuta europaea
Greater Dodder
Cyathea arborea
West Indian Treefern
Cymbalaria muralis
Ivy-leaved Toadflax
Cynoglossum officinale
Hound's-tongue
Cyperus javanicus
Javanese Flatsedge
Cyperus mindorensis
White-Head Spike Sedge
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
Diffenbachia oerstedii
Dumb Cane
Digitalis purpurea
Foxglove
Diphasiastrum alpinum
Alpine Clubmoss
Diplotaxis muralis
Annual Wall-rocket
Dipsacus fullonum
Wild Teasel
Dipsacus pilosus
Small Teasel
Dischidia nummularia
Button Orchid
Doronicum pardalianches
Leopard's-bane
Draba aizoides
Yellow Whitlowgrass
Drosera anglica
Great Sundew
Drosera intermedia
Oblong-leaved Sundew
Drosera rotundifolia
Round-leaved Sundew
Dryas octopetala
Mountain Avens
Drymochloa sylvatica
Wood Fescue
Drynaria rigidula
Basket Fern
Dryopteris aemula
Hay-scented Buckler-fern
Dryopteris affinis
Scaly Male-fern
Dryopteris carthusiana
Narrow Buckler-fern
Dryopteris cycadina
Shaggy Shield Fern
Dryopteris dilatata
Broad Buckler-fern
Dryopteris submontana
Rigid Buckler-fern
Echinops bannaticus
Blue Globe-thistle
Echium pininana
Giant Viper's-bugloss
Echium vulgare
Viper's-bugloss
Eleocharis acicularis
Needle Spike-rush