Jamesiella scotica
Jamesiella scotica is a species of lichen that is thought to be endemic to the United Kingdom and Ireland. In the UK it occurs in montane habitats in England, Wales and Scotland at heights of over 200 metres, thriving on decomposing bryophytes (such as "Marsupella emarginata") on base-rich soils. Distribution and conservation. In the UK the species is classified as near threatened and receives protection under the Wildlife and Countryside Act 1981. It is found in the Cairngorm mountains of Scotland and from Ben Alder, Ben Hope and Ben Lawers elsewhere in the Highlands. It is known  from three sites in Wales – Cwm Idwal, Cwm Glas Mawr and Llyn Glas – and one site in Cumbria, in England. In Ireland, it is found on metamorphosed limestone in County Donegal. Description. "Jamesiella scotica" is a crustose lichen with a varnish-like thallus that grows to a diameter of 1.5 cm.