02/05/2024 Dublin, Ireland. Minister for the Environment Eamon Ryan marks the publication of Aquatic Plants in Ireland-A Photographic Guide with (l to r) Dr Cathal Gallagher, Deputy CEO of Inland Fisheries Ireland; Dr Ronan Matson of Inland Fisheries Ireland; Prof. Tom Collins; Dr Rossa Ó'Briain Inland Fisheries Ireland; and Prof. Joe Caffrey of Invas BioSecurity Ltd at Leinster House on Wednesday, May 1st, 2024. Photograph: Leon Farrell / Photocall Ireland