Wales INNS portal

Petasites japonicus (Siebold & Zucc.) Maxim. – Giant Butterbur non-native

Species, Flowering plant, Freshwater, terrestrial

Creamy Butterbur, Yr Alan Mwyaf, Alan Gawr, Yr Alannon Mwyaf

Establishment status: GB Establishment Status - Established

• Occurrences: 73

Vallisneria spiralis L. – Tapegrass non-native

Species, Flowering plant, Freshwater

Rhuban y Dŵr, Ruban y Dŵr

Establishment status: GB Establishment Status - Established

• Occurrences: 0

Astacus astacus (Linnaeus, 1758) – Noble Crayfish non-native

Species, Crustacean, Freshwater, terrestrial

Establishment status: GB Establishment Status - Not established

• Occurrences: 0

Eichhornia crassipes (Mart.) Solms – Water-hyacinth non-native

Species, Flowering plant, Freshwater

Establishment status: GB Establishment Status - Not established

• Occurrences: 4

Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne, 1979 non-native

Species, Alga, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 0

Monocorophium sextonae (Crawford, 1937) non-native

Species, Crustacean, Marine, terrestrial

Establishment status: GB Establishment Status - Established

• Occurrences: 160

Ruditapes philippinarum (Adams & Reeve, 1850) – Manila Clam non-native

Species, Mollusc, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 0

Leuciscus idus (Linnaeus, 1758) – Orfe

Species, Bony fish (Actinopterygii), Freshwater, terrestrial

Ide, Orff, Orffod

• Occurrences: 6

Ctenopharyngodon idella (Valenciennes, 1844) – Grass Carp

Species, Bony fish (Actinopterygii), Freshwater, terrestrial

Chinese Grass Carp, White Amur

• Occurrences: 19

Oncorhynchus mykiss (Walbaum, 1792) – Rainbow Trout non-native

Species, Bony fish (Actinopterygii), Freshwater, marine, terrestrial

Steelhead Trout, Brithyll Seithliw, Brithyllod Seithliw

Establishment status: GB Establishment Status - Established

• Occurrences: 194

Gonionemus vertens A. Agassiz, 1862 non-native

Species, Coelenterate (=cnidarian), Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 0

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

Species, Crustacean, Freshwater

• Occurrences: 34

Lupinus nootkatensis Donn ex Sims – Nootka Lupin non-native

Species, Flowering plant, Freshwater, terrestrial

Scottish Lupin, Wild Lupin, Pys y Blaidd, Bysedd-y-Blaidd Gwyllt

Establishment status: GB Establishment Status - Established

• Occurrences: 1

Aulacomya ater (Molina, 1782) – Magellan Mussel non-native

Species, Mollusc, Marine

Establishment status: GB Establishment Status - Not established

• Occurrences: 0

Petricolaria pholadiformis (Lamarck, 1818) – American Piddock non-native

Species, Mollusc, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 9

Silurus glanis Linnaeus, 1758 – Wels Catfish non-native

Species, Bony fish (Actinopterygii), Freshwater, terrestrial

Catfish, Danube Catfish, Wels, Pencath, Pencathod

Establishment status: GB Establishment Status - Established

• Occurrences: 4

Pikea californica Harvey, 1853 non-native

Species, Alga, Marine

Establishment status: GB Establishment Status - Established

• Occurrences: 0

Acorus calamus L. – Sweet-flag non-native

Species, Flowering plant, Freshwater

Gellesgen Beraroglaidd, Gellhesgen Perarogl, Gellesgen Bêr, Gellesg Pêr, Gellhesgen Beraroglaidd

Establishment status: GB Establishment Status - Established

• Occurrences: 185

Claytonia sibirica L. – Pink Purslane non-native

Species, Flowering plant, Freshwater, terrestrial

Porpin Pinc, Gwlyddyn Rhudd

Establishment status: GB Establishment Status - Established

• Occurrences: 620

Sargassum muticum (Yendo) Fensholt, 1955 – Wireweed non-native

Species, Chromist, Marine

Wireweed (non-native), Japweed, luibh uèireach

Establishment status: GB Establishment Status - Established

Wales marine risk assessment: Monitoring: medium

• Occurrences: 359