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Caloplaca cerina (Hedw.) Th.Fr.


Thallus thin, grey, lacking isidia or soredia; apothecia conspicuous, with orange-yellow discs and grey margins. Widespread on base-rich bark and also in maritime heath.

Refs: Smith et al. (2009), 256; Purvis et al. (1992), 147; Dobson (2005), 97 (photo); Dobson (2011), 106 (photo); Jahns (1983), 246-247 (photo); van Haluwyn et al. (2009), 206-7 (photos); Wirth (1995), 1: 210-211 (photo); Wirth et al. (2004), 286 (photo); Wirth, Hauck & Schulz (2013), 1: 272 (photo); Frahm et al. (2010), 65 (photo); Moberg & Holmåson (1984), 184 (photo); Holien & Tønsberg (2008), 156 (photo); Puntillo (1996), plate 8 (photo); Valcárcel et al. (2003), 138-9 (photo); Hansen & Anderson (1995) 82 (photo); Brodo et al. (2001), 198 (photo); Thomson (1997), 153; Lichen Atlas of the British Isles 6: 241 (2001)

C. cerina is a collective concept, containing ± cryptic species that cannot readily be incorporated into a single clade (Soun et al. (2011) Lichenologist 43: 113-135). It is not clear to what extent this applies in Britain.

FGBI: http://fungi.myspecies.info/all-fungi/caloplaca-cerina

 
Caloplaca cerina
Taymouth, Perthshire, April 2002


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© A.J. Silverside
Uploaded March 2008, last updated January 2016 (first hosted at www-biol.paisley.ac.uk, January 2003)