United Kingdom

Cape Parrot

Poicephalus robustus

Caper Spurge

Euphorbia lathyris

Cape Thread-moss

Orthodontium lineare

Capeweed

Arctotheca calendula

Captain Pike's weed

Pikea californica

caragana aphid

Acyrthosiphon caraganae

Caraway

Carum carvi

Carelessweed

Amaranthus spinosus

Caribbean Pine

Pinus caribaea

Canada St. John'S Wort

Hypericum canadense

Canadian Arrowhead

Sagittaria rigida

Canadian waterweed

Elodea canadensis

Canary fly

Edwardsiana crataegi

Candlestick

Oenothera biennis

Canoe Birch

Betula papyrifera

Cape bugle-lily

Watsonia borbonica

California strawflower

Collomia grandiflora

Calla lily

Zantedeschia aethiopica

Calvary medic

Medicago intertexta

Campernelle jonquil

Narcissus odorus

Camphortree

Cinnamomum camphora

Caterpillar-plant

Scorpiurus muricatus

Catnip

Nepeta cataria

Caucasian Mullein

Verbascum pyramidatum

Caucasian persimmon

Diospyros lotus

Caucasus catmint

Nepeta grandiflora

Carline Thistle Leafhopper

Euscelis venosa

Carnation

Dianthus caryophyllus

Carolina bristlemallow

Modiola caroliniana

Carolina fanwort

Cabomba caroliniana

Carolina Lovegrass

Eragrostis pectinacea

Carolina mosquitofern

Azolla caroliniana

Carolina poplar

Populus canadensis

carpet beetle

Attagenus trifasciatus

Carpet Box

Pachysandra terminalis

Carrot-Fern

Conium maculatum

Carthusian snail

Monacha cartusiana

Caruana's slug

Deroceras invadens

Caspic willow

Salix acutifolia

Cedar Waxwing

Bombycilla cedrorum

Celandine

Chelidonium majus

Cemetary Spurge

Euphorbia cyparissias

Centipede

Mecistocephalus maxillaris

Cerambyx Longicorn

Cerambyx cerdo

Cereal rye

Secale cereale

Chameleon

Houttuynia cordata

Chamois Ragwort

Senecio doronicum

Charlock mustard

Sinapis arvensis

Chattonella marina

Checkerberry

Gaultheria procumbens

Cheer Pheasant

Catreus wallichii

Chestnut Blight

Cryphonectria parasitica

Chestnut Bulbul

Hemixos castanonotus

Chinese Fountain-bamboo

Fargesia spathacea

Chinese Foxtail

Setaria faberi

Chinese Honeysuckle

Lonicera japonica

Chinese Mallow

Malva verticillata

Chinese Parsley

Coriandrum sativum

Chinese Pokeweed

Phytolacca polyandra

Chinese privet

Ligustrum sinense