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Pannaria conoplea (Pers.) Bory


Thallus foliose, with small, typically pruinose and blue-grey, often imbricate lobes, more yellow-grey with exposure, margins with granular to coralloid, minute, isidia-like, decorticate lobules, which may extend to cover the lobe surfaces; apothecia rare. A local and declining species of mossy bark in sheltered, humid, old woodland in the north and west.

Refs: Smith et al. (2009), 650; Purvis et al. (1992), 419; Dobson (2005), 297 (photo); Dobson (2011), 299 (photo); Whelan (2011), 120 (photo); van Haluwyn et al. (2009), 222-3 (photo); Wirth (1995), 2: 632, 633 (photo); Wirth, Hauck & Schulz (2013), 2: 799 (photo), 800; Nordic Lichen Flora (2007) 3: 105, 191 (photo); Moberg & Holmåson (1984), 165 (photo); Holien & Tønsberg (2008), 109 (photo); Arup et al. (1997), 225 (photo); Thor & Arvidsson (1999), 296 (photo), 390; Valcárcel et al. (2003), 264-5 (photo); Puntillo (1996), plate 28 (photo); Hinds & Hinds (2007), 332 (photo); Brodo et al. (2001), 476, 477 (photo); Lichen Atlas of the British Isles 4: 978 (1999).

Pannaria conoplea
On mossy trunk, Glen Nant, Argyllshire, December 2009
 
Pannaria conoplea
On mossy trunk, Glen Tilt, Perthshire, April 2008


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Uploaded October 2009, last updated September 2013