Lichens of Wales

Calicium adspersum

Description & Identification

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

Photo- U. Kirschbaum

Habitats

 On dry bark of old Quercus in parkland.

Distribution

Europe, Asia , N. America. Also as subsp. australe in S. America, Australia, New Zealand. S. England (Oxford) and one site

 

Records from Wales
Location Grid Reference Last Rec'd Recorder(s) SSSI
Montgomery: Gregynog Great Wood SO 084 977 1996 R.G. Woods & B.J. Coppins Yes

 

Proposed Actions

 UK BAP Signposting Actions:

  1. Search the last known sites in Oxfordshire and Montgomery.  Sites are likely to require an abundance of veteran oak and adequate replacement trees.
  2. Research existing knowledge on the habitat requirements and threats to this species in Europe, to inform refinding and conserving this species in UK
Hectad Distribution in Wales/Link to NBN Gateway Map

NBN Taxon Key
NBNSYS0000015534