LichenIreland
  • Arctoparmelia incurva (Pers.) Hale
Arctoparmelia incurva
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This small, foliose lichen found on well-illuminated, siliceous rocks in the uplands is generally scarce in Ireland. Strangely, there are no Irish collections, though it was formerly known from Counties Kerry, Wicklow, Dublin and Antrim. It is not unlike Xanthoparmelia mougeotii (described elsewhere) but differs in the convex, overlapping lobes that curl under at the tips. Large globose, circular soralia (KC + pink) are present. It is yellow-grey in colour and is rarely larger than 4 or 5cm diam. All modern records are from Northern Ireland.

Key characteristics

  • Small yellow-grey, foliose lichen of well-lit, upland acid rock
  • Narrow radiating lobes with circular soralia (2-4mm diam.) KC + pink

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Arctoparmelia incurva (Pers.) Hale. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18882 Accessed on 2017-12-12.