Species Detail - Trifid Bur-marigold (Bidens tripartita) - Species information displayed is based on the dataset "The Flora of County Waterford".
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).
28 May (recorded in 2003)
30 October (recorded in 1989)
Paul R Green, The Flora of County Waterford, National Biodiversity Data Centre, Ireland, Trifid Bur-marigold (Bidens tripartita), accessed 25 January 2022, <https://maps.biodiversityireland.ie/Dataset/23/Species/29594>