Identification guides and species information

View identification guides for many invasive species from: Identification guides –

Access referenced species profile accounts with interactive distribution maps by using the ‘Search for a non-native species’ search box widget on this website or go directly to the  Species Profile Browser · Species Profile (

Additional identification and information resources on Invasive Alien Species of Union concern available from the European Commission:

Control and management

RAPID (Reducing and Preventing IAS Dispersal) LIFE project  – Good Practice Management guidance documents:


American Mink
American Skunk Cabbage
Carpet Sea Squirt
Curly Waterweed


Floating Pennywort
Giant Hogweed
Himalayan Balsam
New Zealand Pigmyweed


Pacific Oyster



Site Notice, Invasive Plant species – Do Not Cut. Free to download, share, print, add logo. Courtesy of Galway Co. Co.


Invasive Species Ireland – Invasive Species Action Plans (ISAPs)

The below Invasive Species Action Plans were developed under the Invasive Species Ireland initiative.  The overall aim of the plans is to put in place mechanisms to prevent introduction or new introductions of the species to Ireland, and, to set out actions required for successful implementation and guidance on methods for eradication/control of the target invasive species in Ireland.


Chinese Mitten Crab
Fringed Water Lily
Giant Rhubarb


Hottentot Fig
New Zealand Pigymyweed
Non-native Crayfish
Parrots Feather


Ruddy Duck
Small Predatory Mammals
Water Fern
Water Fern
Water Primrose


Wild Boar



Playlist of invasive species videos is available from the National Biodiversity Data Centre’s YouTube Chanel: Invasive Alien Species – YouTube

Check Clean Dry biosecurity campaign resources


In Ireland

Inland Fisheries Ireland:

National Parks and Wildlife Service:

Waterways Ireland:

Leave No Trace: 

In the United Kingdom

Invasive Species Northern Ireland:

GB Non-native Species Secretariat:

European IAS Networks and information databases

NOBANIS – European Network on Invasive Alien Species

EASIN -European Alien Species Information Network

DAISIE – Delivering Alien Invasive Species Inventories for Europe

AquaNIS – European marine alien species database

International IAS Networks

GISID – Global Invasive Species Database

GISIN – Global Invasive Species Information Network

ISSG – Invasive Species Specialist Group

CABI – Invasive Species Compendium

Online journals (open access)

Aquatic Invasions –

BioInvasions records –

Management of Biological Invasions –