Cynara cardunculus
Cardoon
Cynoglossum officinale
Hound's-tongue
Cynosurus cristatus
Crested Dog's-tail
Cyperus alternifolius
Cyperus brevifolia
Cyperus fuscus
Brown Galingale
Cyperus mindorensis
White-Head Spike Sedge
Cypripedium calceolus
Lady's-slipper
Cyrtomium fortunei
Fortune's cyrtomium
Cyrtophyllum fragrans
Tembusu
Cyrtostachys renda
Blume
Cystopteris fragilis
Brittle Bladder-fern
Cytisus scoparius
Broom
Daboecia cantabrica
St Dabeoc's Heath
Daboecia x scotica
Dactylis glomerata
Cock's-foot
Dactyloctenium sp.
A Crowfoot Grass
Dactylorhiza
Dactylorhiza fuchsii
Common Spotted-orchid
Dactylorhiza incarnata
Early Marsh-orchid
Dactylorhiza kerryensis
Irish Marsh-orchid
Dactylorhiza maculata
Heath Spotted-orchid
Dactylorhiza praetermissa
Southern Marsh-orchid
Dactylorhiza purpurella
Northern Marsh-orchid