Wales INNS portal

This page provides information on the 358 invasive non-native species currently of most interest to Wales
By accessing records via the web service users accept that any CC-BY-NC licenced records must not be used for commercial purposes without the permission of the data provider and all data providers must be acknowledged as required.

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WFD UKTAG aquatic alien impact species: High
Species lists: WFD UKTAG aquatic alarm species

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Showing 1 - 3 of 3 taxa

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

Subspecies, Mollusc, Freshwater
Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Prevention
- Occurrences: 0
Lagarosiphon major (Ridl.) Moss ex V.A.Wager – Curly Waterweed non-native

Species, Flowering plant, Freshwater
Pib-Flodyn Crych, Ffugalaw Crych

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 518
Myriophyllum heterophyllum Michx. – Various-leaved Water-milfoil non-native

Species, Flowering plant, Freshwater
Water-Milfoil

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Prevention
- Occurrences: 0

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[counting] records from [counting] taxa
Presence Absence

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