Species Detail - Bitter Knight (Tricholoma acerbum) - Species information displayed is based on the dataset "General Biodiversity Records from 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
Tricholoma acerbum
Bitter Knight
Agaricus acerbus
N/A
trace
(Bull.) Quél.
fungus
Species
3
3
3
19/09/2004
08/10/2020
28 August (recorded in 2004)
8 October (recorded in 2020)
Collated by the National Biodiversity Data Centre from different sources, General Biodiversity Records from Ireland, National Biodiversity Data Centre, Ireland, Bitter Knight (Tricholoma acerbum), accessed 22 February 2025, <https://maps.biodiversityireland.ie/Dataset/7/Species/176458>

Records per month (across all datasets)

Records per year (across all datasets)