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Alan Silverside's Lichen Pages
Pertusaria corallina (L.) Arnold
Thallus whitish grey to grey, surface usually covered by abundant, cylindrical to coralloid isidia, but these can become eroded (weathering, being sat on) to reveal the cracked-areolate thallus beneath; apothecia rare. Common in the north and west on exposed, base-poor boulders.
Refs: Smith et al. (2009), 679; Purvis et al. (1992), 452; Dobson (2005), 323-4 (photo); Wirth (1995), 2: 695, 702 (photo); Moberg & Holmåson (1984), 208 (photo).
Braemar, Aberdeenshire, April 2002
Braemar, Aberdeenshire, March 2008
Kindrogan, Perthshire, March 2008
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Uploaded May 2008, substantially revised February 2009, last modified June 2010 (first hosted at www-biol.paisley.ac.uk, January 2003)
