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
INNS - Wales Priority Species for Action: Long-term management

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Showing 1 - 13 of 13 taxa

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Azolla filiculoides Lam. – Water Fern non-native

Species, Fern, Freshwater
Rhedynen y Dŵr, Rhedyn y Dŵr

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 686
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

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 1,401
Dikerogammarus haemobaphes (Eichwald, 1841) – Demon Shrimp non-native

Species, Crustacean, Freshwater, marine
Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 0
Dikerogammarus villosus (Sowinsky, 1894) – Killer Shrimp non-native

Species, Crustacean, Freshwater, terrestrial
Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 208
Ericaceae Juss. – Ericaceous

Family, Flowering plant, Terrestrial
INNS - Wales Priority Species for Action: Long-term management
- View images of species within this family
- Occurrences: 79,272
Heracleum mantegazzianum Sommier & Levier – Giant Hogweed non-native

Species, Flowering plant, Freshwater, terrestrial
Efwr Enfawr

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 1,097
Impatiens glandulifera Royle – Himalayan Balsam non-native

Species, Flowering plant, Freshwater, terrestrial
Indian Balsam, Policeman's Helmet, Jac y Neidiwr, Penwisg Ddur Heddwas, Cap Dur Heddwas, Ffromlys Chwarennog

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 19,161
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
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

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 711
Myriophyllum aquaticum (Vell.) Verdc. – Parrot's-feather non-native

Species, Flowering plant, Freshwater
Parrot's Feather, Pluen Parot

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 472
Pacifastacus leniusculus (Dana, 1852) – Signal Crayfish non-native

Species, Crustacean, Freshwater, terrestrial
American Signal Crayfish

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 214
Reynoutria japonica Houtt. – Japanese Knotweed non-native

Species, Flowering plant, Freshwater, terrestrial
Clymog Japan

Establishment status: GB Establishment Status - Established

INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 25,851
Rhododendron ponticum hybrid swarm non-native

Species, Flowering plant, Terrestrial
INNS - Wales Priority Species for Action: Long-term management
- Occurrences: 498