Images of British Lichens
Stereocaulon condensatum Hoffm.
Thallus consisting of aggregations of whitish- to bluish-grey, coralloid-lobed 'phyllocladia', plus occasional to frequent, erect or suberect, stalk-like, pale pinkish-orange 'pseudopodetia', which are typically about 1cm in height and also bear small phyllocladia; cephalodia wrinkled, brown to black, dispersed amongst the basal phyllocladia; soredia absent; thallus testing faintly yellow with Pd (para-phenylenediamine); apothecia frequent, brown, on tips of pseudopodetia and larger basal phyllocladia. On sandy and gravelly soils in exposed situations, mostly in the north and west, often montane or in metal-rich sites or on acid dune-systems.
Refs: Smith et al. (2009), 860; Purvis et al. (1992), 579; Dobson (2011), 420 (photos); van Herk & Aptroot (2004, 2013), 354-5 (photo); Aptroot et al. (2011), 153 (photos); Krog et al. (1994), 278 (photo); Holien & Tønsberg (2008), 97 (photo); Stenroos et al. (2011) 429 (photo); Hansen & Anderson (1995), 62 (photo); Hinds & Hinds (2007), 454 (photo).
|On exposed, sandy gravel in acid dune system, Findhorn, Morayshire, April 2009. Photo 3 shows a closer view of the black cephalodia; photo 4 shows apothecia.|
|Small material on exposed, sandy gravel in acid dune system, Findhorn, Morayshire, August 2010 (BLS meeting).|
|On peaty gravel in degraded montane heath, Glenshee, Aberdeenshire, August 2008.|
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Uploaded August 2012, updated January 2014