Images of British Lichens
Mycoblastus sanguinarius (L.) Norman
Thallus green-grey to grey, granular to minutely warted; apothecia black, convex; medulla bright red under the apothecia, with colour visible when young apothecia are scraped off. Frequent in upland areas of the north and west, on wood and bark of deciduous trees, on siliceous rocks, and growing over mosses.
Refs: Smith et al. (2009), 617; Purvis et al. (1992), 391; Dobson (2005), 275 (photo); Dobson (2011), 283 (photo); Whelan (2011), 116 (photo); van Haluwyn et al. (2009), 200-1 (photos); Wirth (1995), 2: 600-601 (photo); Frahm et al. (2010), 57 (photo); Moberg & Holmåson (1984), 129 (photo); Holien & Tønsberg (2008), 174 (photo); Brodo et al. (2001), 446-447 (photos); Pope (2005), 63 (photo); Thomson (1997), 425-6 (photo); Walewski (2007), 100 (photo).
|On old Birch (Betula pubescens) trunk, Shielhill Glen, Renfrewshire, April 2011|
|On old Pine (Pinus sylvestris) bark, Braemar, Aberdeenshire, April 2003|
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Uploaded March 2008, last updated April 2013