Species Detail - Polysiphonia nigra - Species information displayed is based on the dataset "Seaweeds of Ireland".
Terrestrial Map - 10kmDistribution of the number of records recorded within each 10km grid square (ITM).
Marine Map - 50kmDistribution of the number of records recorded within each 50km grid square (WGS84).
26 March (recorded in 1987)
31 December (recorded in 1913)
The British Phycological Society, Seaweeds of Ireland, National Biodiversity Data Centre, Ireland, Polysiphonia nigra, accessed 27 October 2021, <https://maps.biodiversityireland.ie/Dataset/45/Species/259>