Alder Bracket - Mensularia radiata
An annual polypore, initially apricot/orange darkening to red-brown when mature, uneven in shape with a rather nodulose cap. The pores are light-reflecting, 2 - 5 per mm. Hooked setae on the fertile surface.
Photograph upper and lower fertile surface to show pores; note host plant and substrate
Typically on dead or dying Alders, usually at head height or above, also on birch and hazel and otehr deciduous trees.
Widespread in Britain.
Status in Leicestershire and Rutland not known.
Jane Hollingworth
Hall Leys
15 March 2024
Alan Semper
Bradgate Park
24 October 2018
Melinda Bell
Moira,Pit Prop Wood
27 January 2021
on dead alder
Melinda Bell
Dimminsdale Nature Reserve
13 January 2025
Alan Semper
Bradgate Park
08 November 2013
Alan Semper
Bradgate Park
24 October 2018
Melinda Bell
Holly Hayes Wood,Whitwick
24 December 2022
Hazel Graves
Thornton Reservoir
17 January 2022
Peter Smith
Ulverscroft, Stinking Wood
23 October 2022
Hazel Graves
Thornton Reservoir
17 January 2022
davidwright
Thornton Reservoir
17 November 2021
Pores
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
- Common names
- Alder Bracket
- Species group:
- fungus
- Kingdom:
- Fungi
- Order:
- Hymenochaetales
- Family:
- Hymenochaetaceae
- Records on NatureSpot:
- 26
- First record:
- 08/11/2013 (Semper, Alan)
- Last record:
- 04/11/2025 (Bell, Melinda)
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.
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Latest images
Latest records
David Nicholls
Thornton reservoir
08 February 2022
Melinda Bell
Holly Hayes Wood,Whitwick
24 December 2022
davidwright
Thornton Reservoir
17 November 2021
On alder tree
Melinda Bell
Saltersford Valley
16 January 2022
Melinda Bell
Saltersford Valley
16 January 2022
Hazel Graves
Thornton Reservoir
17 January 2022
Jane Hollingworth
Hall Leys
15 March 2024
Hazel Graves
Thornton Reservoir
17 January 2022
Melinda Bell
Ulverscroft,alder carr
10 November 2023
Hazel Graves
Loughborough University Campus
12 October 2024
Trevor Davis
Oakthorpe Flashes
13 November 2021
