Images of British Lichens
Protoparmelia nephaea (Sommerf.) R.Sant.
Thallus a chestnut brown, areolate crust, with a black prothallus that, when first establishing and at the margins, forms minute, radiating lobes; areoles occasionally with soralia, prothallus margins often sooty with conidia, apothecia rare. On rockfaces in the Scottish Highlands, rare.
Refs: Smith et al. (2009), 755; Purvis et al. (1992), 503; Wirth (1995), 1: 454 (in Lecanora key).
|On metalliferous rockface, Braemar, Aberdeenshire, March 2008|
Lichens HOME PAGE | Index of Species | Conditions of Use and e-mail contact | References | Site Home Page
© A.J. Silverside
Uploaded May 2009, last updated November 2011