Acarospora fuscata
This is a common species on nutrient-rich siliceous rocks such as granite. The thallus of this lichen is matt brown and has the appearance of dried mud. It reacts to bleach (C) by turning red.
Found on silica based rocks and stonework that are also nutrient rich.
All year round.
Common and widespread in Britain.
Quite common in Leicestershire and Rutland.
David Nicholls
Ratby church
05 March 2026
David Nicholls
Peckleton Church
05 May 2020
David Nicholls
Bradgate Park, Newtown Linford
21 February 2025
David Nicholls
Bradgate Park, sliding stones
25 February 2023
David Nicholls
Bradgate Park, sliding stones
10 January 2025
David Nicholls
Bradgate Park, sliding stones
25 February 2023
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Species group:
- lichen
- Kingdom:
- Fungi
- Order:
- Acarosporales
- Family:
- Acarosporaceae
- Records on NatureSpot:
- 21
- First record:
- 05/02/2010 (Nicholls, David)
- Last record:
- 05/03/2026 (Nicholls, David)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.
Latest images
Latest records
David Nicholls
Bradgate Park, Newtown Linford
21 February 2026
David Nicholls
Aylestone Meadows
26 February 2012
Hazel Graves
Broombriggs Country Park
18 October 2025
David Nicholls
Warren Hills
19 September 2018
David Nicholls
Ratby Church
05 February 2010
David Nicholls
Peckleton Church
18 November 2023
Hazel Graves
Broombriggs Country Park
18 October 2025
David Nicholls
Beacon Hill Country Park
22 February 2017
