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Images of British Lichens

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); Dobson (2011), 325 (photo); Valcárcel et al. (2003), 290-1 (photo); Wirth (1995), 2: 695, 702 (photo); Wirth et al. (2004), 228 (photo); Wirth, Hauck & Schulz (2013), 2: 841, 854 (photo); Moberg & Holmåson (1984), 208 (photo).

Lichenicolous fungi on this host include Sclerococcum sphaerale and Spirographa fusisporella.


Pertusaria corallina
Braemar, Aberdeenshire, April 2002
Pertusaria corallina
Braemar, Aberdeenshire, March 2008
Pertusaria corallina
Pertusaria corallina, close up
Kindrogan, Perthshire, March 2008

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© A.J. Silverside
Uploaded May 2008, last updated January 2016 (first hosted at, January 2003)