Species Detail - Canadian Fleabane (Conyza canadensis) - Species information displayed is based on the dataset "National Invasive Species Database".

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map
Conyza canadensis
Canadian Fleabane
NHMSYS0000457483 RecommendedWell-formed
Invasive Species: Medium Risk Invasive Species (2013 Report)
cocan
(L.) Cronquist
Flowering plant
Species
1
1
1
04/08/2024
04/08/2024
1 January (recorded in 2020)
26 October (recorded in 2020)
Collated by the National Biodiversity Data Centre from different sources, National Invasive Species Database, National Biodiversity Data Centre, Ireland, Canadian Fleabane (Conyza canadensis), accessed 03 September 2025, <https://maps.biodiversityireland.ie/Dataset/397/Species/40744>

Records per month (across all datasets)

Records per year (across all datasets)