Species Detail - Hard Shield-fern (Polystichum aculeatum) - 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).
Polystichum aculeatum
Hard Shield-fern
NBNSYS0000002074
UnverifiedUnverified
Aspidium aculeatum (L.) Sw., Aspidium aculeatum subsp. lobatum (Huds.) Milde, Aspidium lobatum (Huds.) Sw., Aspidium spinulosum subsp. lobatum (Huds.) Celak., Dryopteris lobata (Huds.) Schinz & Thell., Polypodium aculeatum L., Polypodium lobatum Huds., Polystichum aculeatum var. lobatum (Huds.) Bab., Polystichum lobatum (Huds.) Touss. Bastard, Polystichum lobatum (Huds.) Chevall.
N/A
poacu
(L.) Roth
fern
Species
20
15
11
19/06/2018
08/09/2024
27 January (recorded in 2019)
25 November (recorded in 2010)
Collated by the National Biodiversity Data Centre from different sources, Vascular plants: Online Atlas of Vascular Plants 2012 Onwards, National Biodiversity Data Centre, Ireland, Hard Shield-fern (Polystichum aculeatum), accessed 12 May 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/127362>