Arthonia radiata

Click here to support NatureSpot by making a donation - small or large - your gift is very much appreciated. Thank you.
Description

A smooth, greyish white crusted lichen with embedded black areas that are irregularly shaped and typically 1 to 2 mm in diameter.

Identification difficulty
Habitat

On nutrient rich, smooth bark and twigs on a variety of species but a characteristic species on Ash.

When to see it

All year round.

Life History

Particularly associated with Ash.

UK Status

Widespread and quite common, especially in western and northern Britain.

VC55 Status

Fairly frequent in Leicestershire and Rutland.

  • Peter Smith
    Melton Country Park
    18 February 2021
  • David Nicholls
    Sheet Hedges Wood
    02 January 2012
  • Saharima Roenisch
    Leicester, Shady Lane Arboretum
    27 March 2019
  • David Nicholls
    Ratby, Burroughs Rd
    14 January 2021
  • David Nicholls
    Sheet Hedges Wood
    02 January 2012
  • Peter Smith
    Melton Country Park
    18 February 2021
  • Peter Smith
    Saxelbye
    04 April 2021

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species data profile ?

Species profile

Species group:
Lichens
Kingdom:
Fungi
Order:
Arthoniales
Family:
Arthoniaceae
Records on NatureSpot:
73
First record:
24/11/2011 (Nicholls, David)
Last record:
18/11/2023 (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
    Lady Hay Wood
    21 March 2014
  • David Nicholls
    Warren Hills
    21 January 2021
    Lecanora chlarotela above, Arthonia below
  • David Nicholls
    Lady Hay Wood
    21 March 2014
  • David Nicholls
    Lady Hay Wood
    21 March 2014
  • David Nicholls
    Glenfield, Ivanhoe Trail
    15 January 2021
  • Peter Smith
    Cropston garden
    13 February 2021
  • stepgray4
    Bagworth Heath Woods
    12 December 2021
  • Saharima Roenisch
    Leicester, The Leicestershire Golf Club
    11 March 2019
  • David Gould
    Aylestone Meadows, Spearwort Fields
    07 August 2021
  • David Nicholls
    Ratby, plantation woodland
    31 March 2020