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  • WFD UKTAG impact: High
  • Habitat: freshwater
  • Species list: INNS - Wales Priority Species for Action

Priority species for Wales

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Showing 1 - 20 of 21 taxa
  1. Azolla filiculoides Lam. – 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

  2. Corbicula fluminea (O. F. Müller, 1774) non-native

    Species, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  3. Crassula helmsii (Kirk) Cockayne – 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

  4. 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

  5. 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

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

    Subspecies, Mollusc, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  7. Fallopia japonica (Houtt.) Ronse Decr. – Japanese Knotweed non-native

    Species, Flowering plant, Freshwater, terrestrial

    Clymog Japan

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  8. Heracleum mantegazzianum Sommier & Levier – Giant Hogweed non-native

    Species, Flowering plant, Freshwater, terrestrial

    Efwr Enfawr

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  9. Hydrocotyle ranunculoides L. f. – Floating Pennywort non-native

    Species, Flowering plant, Freshwater

    Dail-Ceiniog Arnofiol

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  10. Impatiens glandulifera Royle – 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

  11. Lagarosiphon major (Ridl.) Moss ex V.A. Wager – 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

  12. Ludwigia grandiflora (Michx.) Greuter & Burdet – Water Primrose non-native

    Species, Flowering plant, Freshwater

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  13. Lysichiton americanus Hultén & H. St. John – 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

  14. Myriophyllum aquaticum (Vell.) Verdc. – 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

  15. Myriophyllum heterophyllum Michx. – Various-leaved Water-milfoil non-native

    Species, Flowering plant, Freshwater

    Water-Milfoil

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  16. Orconectes virilis (Hagen, 1870) – Virile Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  17. Pacifastacus leniusculus (Dana, 1852) – Signal Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    American Signal Crayfish

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

  18. Procambarus clarkii (Girard, 1852) – Red Swamp Crayfish non-native

    Species, Crustacean, Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Prevention

  19. Pseudorasbora parva (Temminck and Schlegel, 1846) – Topmouth Gudgeon non-native

    Species, Bony fish (Actinopterygii), Freshwater, terrestrial

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Management

  20. Rhododendron ponticum L. – Rhododendron non-native

    Species, Flowering plant, Freshwater, terrestrial

    Rhododendron Wyllt

    Establishment status: GB Establishment Status - Established

    Priority species for Wales: Long-term management

[counting] records from [counting] taxa

This map contains both point- and grid-based occurrences at different resolutions