Click on the species name to view and download a digital copy of the ID sheet.

These ID sheets are freely available to download, print, distribute or link to. Please give courtesy to the producer of the ID sheets when further used.

Click here for the ID sheets listed by common name first

Plants – terrestrial/ riparian

Plants – aquatic


For up-to-date distribution maps of these species in Ireland go to


Access Q-bank photographic interactive online key to:

For more informaiton on Q-bank and to access other interactive keys visit

The ID sheets available here have been produced by a variety of sources including the National Biodiversity Data Centre, the GB Non-native Species Secretariat (GB NNSS) or Inland Fisheries Ireland (IFI). Some other identification materials are also available with courtesy from other organizations/individuals.

The National Biodiversity Data Centre ID sheets were written in large by Oisin Duffy. Each ID sheet was reviewed by an external expert and we gratefully acknowledge their invaluable contribution. The external experts were:

Roy Anderson, Joe Caffrey, Ruth Carden, John Davenport, Jaimie Dick, Stephan Gollasch, Mike Guiry, Judith Kochmann, Colin Lawton, Julian Reynolds, Tomás Murray, Julia Nunn, Neil Reid and Noeleen Smyth.

Any feedback on the ID sheets produced by the Data Centre can be e-mailed to