Species Detail - Hard Shield-fern (Polystichum aculeatum) - Species information displayed is based on the dataset "Flora of County Cavan".
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
Aspidium aculeatum, Aspidium aculeatum subsp. lobatum, Aspidium lobatum, Aspidium spinulosum subsp. lobatum, Dryopteris lobata, Polypodium aculeatum, Polypodium lobatum, Polystichum aculeatum var. lobatum, Polystichum lobatum, Polystichum lobatum
N/A
poacu
(L.) Roth
fern
Species
22
12
4
01/01/1988
25/06/2000
27 January (recorded in 2019)
25 November (recorded in 2010)
National Botanic Gardens, Flora of County Cavan, National Biodiversity Data Centre, Ireland, Hard Shield-fern (Polystichum aculeatum), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/183/Species/127362>