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Priority species for Wales
- Long-term management (13)
- Management (4)
- Prevention (4)
Lifeforms
- Plants (13)
- Crustaceans (5)
- Molluscs (2)
- Fishes (1)
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Corbicula fluminea non-native
Species, Mollusc, Freshwater
Establishment status: GB Establishment Status - Established
Priority species for Wales: Management
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Dikerogammarus haemobaphes – Demon Shrimp non-native
Species, Crustacean, Freshwater, marine
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Azolla filiculoides – Water Fern non-native
Species, Fern, Freshwater
Rhedynen y Dŵr, Rhedyn y Dŵr
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Myriophyllum heterophyllum – Various-leaved Water-milfoil non-native
Species, Flowering plant, Freshwater
Water-Milfoil
Establishment status: GB Establishment Status - Established
Priority species for Wales: Prevention
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Ludwigia grandiflora – Water Primrose non-native
Species, Flowering plant, Freshwater
Establishment status: GB Establishment Status - Established
Priority species for Wales: Management
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Fallopia japonica – Japanese Knotweed non-native
Species, Flowering plant, Freshwater, terrestrial
Clymog Japan
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Orconectes virilis – Virile Crayfish non-native
Species, Crustacean, Freshwater, terrestrial
Establishment status: GB Establishment Status - Established
Priority species for Wales: Prevention
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Pacifastacus leniusculus – Signal Crayfish non-native
Species, Crustacean, Freshwater, terrestrial
American Signal Crayfish
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Impatiens glandulifera – Himalayan Balsam non-native
Species, Flowering plant, Freshwater, terrestrial
Policeman's Helmet, Indian Balsam, Jac y Neidiwr, Penwisg Ddur Heddwas, Cap Dur Heddwas, Ffromlys Chwarennog
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Lagarosiphon major – Curly Waterweed non-native
Species, Flowering plant, Freshwater
Ffugalaw Crych, Pib-Flodyn Crych
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Lysichiton americanus – American Skunk-cabbage non-native
Species, Flowering plant, Freshwater, terrestrial
Skunk Cabbage, Pidyn-y-Gog Americanaidd
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Dreissena rostriformis bugensis – Quagga Mussel non-native
Subspecies, Mollusc, Freshwater
Establishment status: GB Establishment Status - Established
Priority species for Wales: Prevention
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Rhododendron ponticum – Rhododendron non-native
Species, Flowering plant, Freshwater, terrestrial
Rhododendron Wyllt
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Crassula helmsii – New Zealand Pigmyweed non-native
Species, Flowering plant, Freshwater
New Zealand Pygmyweed, mion-luibh Shealainn Nuaidh, Corchwyn Seland Newydd
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Myriophyllum aquaticum – Parrot's-feather non-native
Species, Flowering plant, Freshwater
Parrot's Feather, Pluen Parot
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Rhododendron ponticum x Rhododendron maximum
Species hybrid, Flowering plant, Freshwater
Priority species for Wales: Long-term management
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Heracleum mantegazzianum – Giant Hogweed non-native
Species, Flowering plant, Freshwater, terrestrial
Efwr Enfawr
Establishment status: GB Establishment Status - Established
Priority species for Wales: Long-term management
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Procambarus clarkii – Red Swamp Crayfish non-native
Species, Crustacean, Freshwater, terrestrial
Establishment status: GB Establishment Status - Established
Priority species for Wales: Prevention
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Pseudorasbora parva – Topmouth Gudgeon non-native
Species, Bony fish (Actinopterygii), Freshwater, terrestrial
Establishment status: GB Establishment Status - Established
Priority species for Wales: Management
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Hydrocotyle ranunculoides – Floating Pennywort non-native
Species, Flowering plant, Freshwater
Dail-Ceiniog Arnofiol
Establishment status: GB Establishment Status - Established
Priority species for Wales: Management