One of Wales’ most important sites for lichens of ancient parkland and pasture woodland habitats will be designated a National Nature Reserve on 6th March 2013. Gregynog estate in Montgomeryshire is home to such rarities as Lecanora sublivescens (known worldwide from only the UK and Sweden); the UK endemic Entergrapha sorediata here at it's only site in Wales. The NIEC score here is 26, making it a site of UK national importance for ancient woodland indicator lichens.
More details can be found in the press release issued by the Countryside Council for Wales.