Wales INNS portal

Crangonyx pseudogracilis Bousfield, 1963 sens. str. non-native

Species, Crustacean, Freshwater

• Occurrences: 62

Craspedacusta sowerbii Lankester, 1880 non-native

Species, Coelenterate (=cnidarian), Freshwater, terrestrial

• Occurrences: 4

Crassula helmsii (Kirk) Cockayne – New Zealand Pigmyweed non-native

Species, Flowering plant, Freshwater

New Zealand Pygmyweed, Corchwyn Seland Newydd, mion-luibh Shealainn Nuaidh

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 907

Crepidula fornicata (Linnaeus, 1758) – American Slipper Limpet non-native

Species, Mollusc, Marine

Slipper limpet

Establishment status: GB Establishment Status - Established

Wales marine risk assessment: Monitoring: high

• Occurrences: 878

Crocosmia pottsii x aurea = C. x crocosmiiflora (Lemoine) N.E. Br. – Montbretia non-native

Species hybrid, Flowering plant, Freshwater, terrestrial

Crib-y-Ceiliog, Montbretlys

Establishment status: GB Establishment Status - Established

• Occurrences: 3,068

Ctenopharyngodon idella (Valenciennes, 1844) – Grass Carp

Species, Bony fish (Actinopterygii), Freshwater, terrestrial

White Amur, Chinese Grass Carp

• Occurrences: 18

Cygnus atratus (Latham, 1790) – Black Swan non-native

Species, Bird, Terrestrial

Establishment status: GB Establishment Status - Not established

• Occurrences: 1,630

Cynomys Rafinesque, 1817

Genus, Terrestrial mammal, Terrestrial

• View images of species within this genus
• Occurrences: 0

Cyprinus carpio Linnaeus, 1758 – Common Carp non-native

Species, Bony fish (Actinopterygii), Freshwater, terrestrial

Carp, Cerpyn

Establishment status: GB Establishment Status - Established

• Occurrences: 149

Diadumene lineata (Verrill, 1869) – Orange-striped anemone non-native

Species, Coelenterate (=cnidarian), Marine

Establishment status: GB Establishment Status - Established

Wales marine risk assessment: Monitoring: medium

• Occurrences: 69

Didemnum vexillum Kott, 2002 non-native

Species, Tunicate (Urochordata), Marine

Establishment status: GB Establishment Status - Established

Wales marine risk assessment: Monitoring: high

• Occurrences: 32

Dikerogammarus bispinosus Martynov, 1925 non-native

Species, Crustacean, Freshwater, marine

Establishment status: GB Establishment Status - Absent

• Occurrences: 0

Dikerogammarus haemobaphes (Eichwald, 1841) – Demon Shrimp non-native

Species, Crustacean, Freshwater, marine

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 0

Dikerogammarus villosus (Sowinsky, 1894) – Killer Shrimp non-native

Species, Crustacean, Freshwater, terrestrial

Establishment status: GB Establishment Status - Established

Priority species for Wales: Long-term management

• Occurrences: 208

Disphyma crassifolium (L.) L. Bolus – Purple Dewplant non-native

Species, Flowering plant, Terrestrial

Purple Dew-Plant, Chwyslys Porffor, Llysiau Gwlithog Porffor

Establishment status: GB Establishment Status - Established

Priority species for Wales: Management

• Occurrences: 13

Dreissena polymorpha (Pallas, 1771) – Zebra Mussel non-native

Species, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

• Occurrences: 53

Dreissena rostriformis bugensis Andrusov, 1897 – Quagga Mussel non-native

Subspecies, Mollusc, Freshwater

Establishment status: GB Establishment Status - Established

Priority species for Wales: Prevention

• Occurrences: 0

Dryocosmus kuriphilus Yasumatsu, 1951 – Chestnut Gall Wasp non-native

Species, Insect - hymenopteran, Terrestrial

Establishment status: GB Establishment Status - Not established

• Occurrences: 0

Dyspanopeus sayi (Smith, 1869) non-native

Species, Crustacean, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 1

Echinogammarus ischnus (Stebbing, 1899) non-native

Species, Crustacean, Freshwater, marine

Establishment status: GB Establishment Status - Absent

• Occurrences: 0