Species Detail - Sea Oak (Halidrys siliquosa) - Species information displayed is based on the dataset "Ireland's BioBlitz".

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
Halidrys siliquosa
Sea Oak
NBNSYS0000175637 UnverifiedUnverified
N/A
hasil
(Linnaeus) Lyngbye
alga
Species
7
5
5
21/05/2011
11/06/2016
1 January (recorded in 1985)
31 December (recorded in 1898)
Collated by the National Biodiversity Data Centre from different sources, Ireland's BioBlitz, National Biodiversity Data Centre, Ireland, Sea Oak (Halidrys siliquosa), accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/189/Species/184>

Records per month (across all datasets)

Records per year (across all datasets)