Images of British Lichens
Micarea lignaria (Ach.) Hedl.
Thallus of scattered to confluent, convex, grey or grey-green granules; apothecia black, globose. On wood, plant debris, acidic rocks, walls, generally common throughout Britain, more so in the north and west.
Refs: Smith et al. (2009), 595; Purvis et al. (1992), 378; Dobson (2005), 270-271 (photo); Dobson (2011), 276-7 (photo); Wirth (1995), 2: 580, 585 (photo); van Herk & Aptroot (2004), 250-251 (photo); Thomson (1997), 417.
|On stone wall, Balmaha, Stirlingshire, November 2008|
|On old fencing, Schiehallion, Perthshire, April 2003|
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Uploaded March 2008, last updated November 2011