Characterised (in common with related species) by tiny stalked apothecia, like small pins, up to 1mm tall. The thallus is granular, grey and the apothcia are black with yellow pruina on the head an margin.
Photo- U. Kirschbaum
On dry bark of old Quercus in parkland.
Europe, Asia , N. America. Also as subsp. australe in S. America, Australia, New Zealand. S. England (Oxford) and one site
|Location||Grid Reference||Last Rec'd||Recorder(s)||SSSI|
|Montgomery: Gregynog Great Wood||SO 084 977||1996||R.G. Woods & B.J. Coppins||Yes|
UK BAP Signposting Actions:
- Search the last known sites in Oxfordshire and Montgomery. Sites are likely to require an abundance of veteran oak and adequate replacement trees.
- Research existing knowledge on the habitat requirements and threats to this species in Europe, to inform refinding and conserving this species in UK