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Images of British Lichens
Ramalina fraxinea (L.) Ach.
Thallus of usually pendant, broad, sparingly divided, strap-like branches, sometimes reaching several cm, grey-green to grey, said to become brown-black in very exposed sites (Dobson), soredia absent; apothecia frequent, laminar or marginal. Widespread and locally common on tree trunks and branches, though very sensitive to sulphur dioxide pollution.
Refs: Smith et al. (2009), 785; Purvis et al. (1992), 527; Dobson (2005), 383 (photo); Dobson (2011), 386 (photo); Jahns (1983), 232-233 (photo); Whelan (2011), 138 (photo); van Haluwyn et al. (2009), 136-7 (photos); van Herk & Aptroot (2004), 334-5 (photo); Wirth (1995), 2: 797-8 (photo); Wirth et al. (2004), 46 (photo); Frahm et al. (2010), 160 (photo); Moberg & Holmåson (1984), 161 (photo); Holien & Tønsberg (2008), 61 (photo). |
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Taymouth, Perthshire, April 2002
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| On Sycamore (Acer pseudoplatanus), Kindrogan, Perthshire, March 2008 |
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© A.J. Silverside
Uploaded July 2008, last updated May 2012 (first hosted at www-biol.paisley.ac.uk, January 2003)
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