Species Detail - Bitter Scalewort (Porella arboris-vitae) - Species information displayed is based on the dataset "Bryophytes of Ireland".

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
Porella arboris-vitae
Bitter Scalewort
NBNSYS0000035981 UnverifiedUnverified
Threatened Species: Least concern
poarb
(With.) Grolle
liverwort
Species
107
58
39
31/12/1816
28/03/2019
16 February (recorded in 2012)
31 December (recorded in 1816)
British Bryological Society, Bryophytes of Ireland, National Biodiversity Data Centre, Ireland, Bitter Scalewort (Porella arboris-vitae), accessed 28 April 2025, <https://maps.biodiversityireland.ie/Dataset/396/Species/118396>

Records per month (across all datasets)

Records per year (across all datasets)