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Images of British Lichens

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Lecanora intumescens (Rebent.) Rabenh.

Thallus pale grey or brownish grey, smooth to cracked, lacking soredia; apothecia with orange-brown to dark-brown, initially pruinose discs and thick, seemingly swollen, white thalline margins often with conspicuous involutions. Widespread but local on smooth bark. Refs: Smith et al. (2009), 489; Purvis et al. (1992), 308; Dobson (2005), 225 (photo); Dobson (2011), 229 (photo); van Haluwyn et al. (2009), 210-11 (photo); Wirth (1995), 1: 462-3, 478 (photo); Frahm et al. (2010), 40-41 (photo); Holien & Tønsberg (2008), 167 (photo); Puntillo (1996), plate 21 (photo).

 

Glen Tilt, Perthshire, April 2008

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Uploaded December 2009, last modified June 2012