LichenIreland
  • Parmeliopsis hyperopta (Ach.) Arnold
Parmeliopsis hyperopta
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Rare in Ireland, this small (1-2cm), pale silvery grey foliose lichen is characterised by its small, blue-white floury soredia sprinkled across the upper surface of the thallus. Discs are rare. It is only known from heather stems in County Fermanagh but should be searched for on conifer stumps, fallen timber, wooden railings, etc. in dry, sheltered habitats around the edges of upland areas. It blends easily with the grain of fallen wood so needs to be diligently searched for. Cortex K-.

Key characteristics

  • Thallus foliose, white to ash-grey with sorediate upper surface and black underside
  • Usually on dry lignum, conifer stumps, old wooden fence posts, and heather stems.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Parmeliopsis hyperopta (Ach.) Arnold. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18484 Accessed on 2017-10-22.