Species Detail - Wireweed (Sargassum muticum) - Species information displayed is based on the dataset "National Invasive Species Database".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).Species image
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Sargassum muticum
Wireweed
NHMSYS0021058667
RecommendedWell-formed
Invasive Species: Regulation S.I. 477/2011 (Ireland) || Invasive Species: High Risk Invasive Species (2013 Report) || Invasive Species: Regulation S.I. 374/2024 (Ireland) || Invasive Species: The Wildlife (Northern Ireland) Order 1985
samut
(Yendo) Fensholt, 1955
Chromist
Species
78
61
34
01/06/2013
31/12/2025
4 January (recorded in 2026)
31 December (recorded in 1973)
Collated by the National Biodiversity Data Centre from different sources, National Invasive Species Database, National Biodiversity Data Centre, Ireland, Wireweed (Sargassum muticum), accessed 22 August 2026, https://maps.biodiversityireland.ie/Dataset/397/Species/291198