Cirsium dissectum
Meadow Thistle
Cirsium palustre
Marsh Thistle
Cirsium vulgare
Spear Thistle
Cirsium x celakovskianum
Cladium mariscus
Great Fen-sedge
Cladonia coccifera
Cladonia crispata
Cladonia group
Cladonia macilenta
Cladonia sp.
Cladonia spp.
Cladonia squamosa
Clavulinopsis fusiformis
Claytonia perfoliata
Springbeauty
Claytonia sibirica
Pink Purslane
Clinopodium ascendens
Common Calamint
Clinopodium vulgare
Wild Basil
Clitocybe geotropa
Trooping Funnel
Cochlearia danica
Danish Scurvygrass
Cochlearia officinalis agg
Common Scurvygrass
Colchicum autumnale
Meadow Saffron
Conium maculatum
Hemlock
Conopodium majus
Pignut
Convallaria majalis
Lily-of-the-valley
Convolvulus arvensis
Field Bindweed
Coprinus comatus
Shaggy Inkcap
Cornus sanguinea
Dogwood
Corylus avellana
Hazel
Cotoneaster integrifolius
Entire-leaved Cotoneaster
Crataegus monogyna
Hawthorn
Crepidotus spp.
Crepis capillaris
Smooth Hawk's-beard
Crepis vesicaria
Beaked Hawk's-beard
Crocus neapolitanus
Spring Crocus
Crocus speciosus
Bieberstein's Crocus
Cruciata laevipes
Crosswort
Cryptogramma crispa
Parsley Fern
Cymbalaria muralis
Ivy-leaved Toadflax
Cynosurus cristatus
Crested Dog's-tail
Cyrtomium fortunei
Fortune's cyrtomium
Cystopteris fragilis
Brittle Bladder-fern
Cytisus scoparius
Broom
Dactylis glomerata
Cock's-foot
Dactylorhiza
Dactylorhiza incarnata
Early Marsh-orchid
Dactylorhiza maculata
Heath Spotted-orchid
Dactylorhiza praetermissa
Southern Marsh-orchid
Dactylorhiza purpurella
Northern Marsh-orchid
Daedalea quercina
Oak mazegill
Daphne laureola
Spurge-laurel
Darmera peltata
Indian-rhubarb
Deschampsia cespitosa
Tufted Hair-grass
Diplotaxis muralis
Annual Wall-rocket
Doronicum pardalianches
Leopard's-bane
Drosera rotundifolia
Round-leaved Sundew
Dryopteris aemula
Hay-scented Buckler-fern
Dryopteris affinis
Scaly Male-fern
Dryopteris cycadina
Shaggy Shield Fern
Dryopteris dilatata
Broad Buckler-fern
Dryopteris submontana
Rigid Buckler-fern
Echinops bannaticus
Blue Globe-thistle
Eleocharis acicularis
Needle Spike-rush
Eleocharis palustris
Common Spike-rush
Eleocharis quinqueflora
Few-flowered Spike-rush
Enteridium lycoperdon
False Puffball
Epichloe typhina
Choke disease
Epilobium brunnescens
New Zealand Willowherb
Epilobium hirsutum
Great Willowherb
Epilobium montanum
Broad-leaved Willowherb
Epilobium parviflorum
Hoary Willowherb