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Images of British Lichens


Diploschistes scruposus (Schreb.) Norman


Thallus thick, crustose, becoming cracked-areolate and warted, whitish- to leaden grey or tinged yellow, not pruinose; apothecia with black but pruinose, sunken disks and thick margins. Widespread on hard, siliceous rocks and walls, said especially to be in nutrient-enriched sites.

Refs: Smith et al. (2009), 380; Purvis et al. (1992), 237; Dobson (2005), 167 (photo); Dobson (2011), 172-3 (photo); Jahns (1983), 256-257 (photo); Wirth (1995), 1: 379 (photo); Wirth et al. (2004), 223 (photo); Moberg & Holmåson (1984), 212 (photo); Hansen & Anderson (1995) 88 (photo); Thomson (1997), 217; Brodo et al. (2001), 304 (photo).

 
Diploschistes scruposus
Diploschistes scruposus
Braemar, Aberdeenshire, April 2002
 
Diploschistes scruposus
Braemar, Aberdeenshire, March 2008
 
Diploschistes scruposus
Diploschistes scruposus, close view
On rockface, Balmaha, Stirlingshire, November 2008


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© A.J. Silverside
Uploaded March 2008, last updated November 2011 (first hosted at www-biol.paisley.ac.uk, January 2003)