Description & Identification
Thallus of white, pale grey to yellow-green granules usually extensive. Apothecia are abundant, often running into one another, without margins.
Photo: Alan Orange
Habitats
On old Quercus trees in parks.
Distribution
S.W. Europe; England (Berkshire). In Wales from Carmarthenshire and Merionethshire.
Records from Wales
| Location | Grid Reference | Last Rec'd | Recorder(s) | SSSI |
| Carmarthen: Glan Bran Deer Park, Cynhordy. | SN 799 378 | 1981 | R.G. Woods | No |
| Meirionydd: Fedw Felin, Nannau | SH 746 205 | 2002 | V.J. Giavarini | No |
Notes on individual locations
Glan Bran Deer Park, Cynhordy - "On ancient Quercus in pasture woodland.
Proposed Actions
UKBAP Signposting Actions:
| 1. | Maintain ancient tree resource - ensure there will be continuity in age structure, without losing well lit bark habitat on veteran Oaks. |
| 2. | Nutrient deposition is a problem, since it requires acid bark (sic). Action should be to reduce this in any area containing ancient trees - many but not all of these will be in the priority habitat. |
Hectad Distribution in Wales/Link to full BLS map
NBN Taxon Key
BMSSYS0000002968
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