Platismatia glauca (images of British lichens)

Large, foliose, glaucous to brownish, with erect, crisped, often isidiate or sorediate margins; apothecia rare. Widespread and often very common on acidic bark and twigs, sometimes on rocks.

Refs: Smith et al. (2009), 719; Purvis et al. (1992), 480; Dobson (2005), 350 (photo); Dobson (2011), 352 (photo); Britton (2008) 40 (photo); Jahns (1983), 202-3 (photo); Whelan (2011), 133 (photo); van Haluwyn et al. (2009), 50-1 (photos); van Herk & Aptroot (2004), 312-3 (photo); Wirth (1995), 2: 750 (photo); Wirth et al. (2004), 112 (photo); Frahm et al. (2010), 143 (photo); Moberg & Holmåson (1984), 78 (photo); Holien & Tønsberg (2008), 40 (photo); Nordic Lichen Flora (2011) 4: 97, 164 (photo, printed too dark); Hansen & Andersen (1995), 57 (photo); Brodo et al. (2001), 574-5 (photo); Hinds & Hinds (2007), 414 (photo); McCune & Geiser (2009), 283 (photo).

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Images of British Lichens