Images of British Lichens
Pertusaria flavicans Lamy
Thallus greenish grey to greyish yellow or pale sulphur yellow, smooth to cracked, often thick and warted, with warts developing multiple soralia; apothecia thick-margined, rare. On rocks and cliffs, especially in the north and west.
Refs: Smith et al. (2009), 680; Purvis et al. (1992), 453; Dobson (2005), 324-5 (photo); Dobson (2011), 325-6 (photo); Wirth (1995), 2: 695, 703 (photo); Wirth, Hauck & Schulz (2013), 2: 841, 842 (photo).
|On montane cliff, Beinn Airein, Isle of Muck (BLS meeting), June 2012
|On sheltered cliff-face, Bàgh a Ghallanaich, Isle of Muck (BLS Meeting), June 2012|
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Uploaded August 2012, last updated September 2013