Species Detail - Square-stalked St John's-wort (Hypericum tetrapterum) - Species information displayed is based on the dataset "Vascular plants: Online Atlas of Vascular Plants 2012 Onwards".
Terrestrial Map - 10km
Terrestrial Map - 10km
Distribution of the number of records recorded within each 10km grid square (ITM).Marine Map - 50km
Marine Map - 50km
Distribution of the number of records recorded within each 50km grid square (WGS84).
Hypericum tetrapterum
Square-stalked St John's-wort
Hypericum quadrangulum, Square St. John's Wort
N/A
hytet
Fr.
flowering plant
Species
342
190
78
01/01/1970
21/08/2024
1 January (recorded in 1970)
7 December (recorded in 2005)
Collated by the National Biodiversity Data Centre from different sources, Vascular plants: Online Atlas of Vascular Plants 2012 Onwards, National Biodiversity Data Centre, Ireland, Square-stalked St John's-wort (Hypericum tetrapterum), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/42603>