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Images of British Lichens



Lecanactis abietina (Ach.) Körb.


Thallus a thin, often extensive crust, pale grey or tinged with mauve, studded with numerous, white-pruinose-tipped pycnidia which test red with sodium hypochlorite (i.e. C+ red, K-); apothecia uncommon, sessile, discs brown-black but thickly yellow-grey pruinose. Widespread and often frequent on dry, acidic bark, more rarely on worked wood or beneath rock overhangs.

Refs: Smith et al. (2009), 452; Purvis et al. (1992), 282; Dobson (2005), 200-1 (photo); Dobson (2011), 206 (photo); Jahns (1983), 260-1 (photo); van Haluwyn et al. (2009), 172-3 (photo); Wirth (1995), 1: 440-1 (photo); Wirth, Hauck & Schulz (2013), 1: 546, 111 & 547 (photos); Frahm et al. (2010), 58 (photo); van Herk & Aptroot (2004, 2013), 196-7 (photo); Moberg & Holmåson (1984), 216 (photo); Holien & Tønsberg (2008), 197 (photo); Arup et al. (1997), 181 (photo); Stenroos et al. (2011), 240 (photo); Brodo et al. (2001), 369 (photo).

 
Lecanactis abietina
Lecanactis abietina
Lecanactis abietina
On dry bark of Larch (Larix), Cawdor Wood, Nairnshire, August 2011 (BLS meeting)


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Uploaded March 2011, last updated December 2013