Species Detail - Hazel (Corylus avellana) - Species information displayed is based on the dataset "Irish Crop Wild Relative 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

Species image

Corylus avellana
Hazel
NBNSYS0000003839 RecommendedWell-formed
N/A
coave
L.
Flowering plant
Species
161
96
34
15/06/2011
09/09/2015
1 January (recorded in 1970)
31 December (recorded in 2017)
National Biodiversity Data Centre, Irish Crop Wild Relative Database, National Biodiversity Data Centre, Ireland, Hazel (Corylus avellana), accessed 19 January 2026, https://maps.biodiversityireland.ie/Dataset/73/Species/29210

Records per month (across all datasets)

Records per year (across all datasets)