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Images of British Lichens



Cladonia portentosa (Dufour) Coem.
 
(= C. impexa Harm.)


Podetia cream to pale greyish green, richly branched, the finer branches spreading in all directions, typically with holes in the axils of the main branches, branching predominantly trichotomous. Generally the commonest of the 'reindeer lichens' (subgen. Cladina), on heaths and moors, surfaces of peat bogs and on acid dunes, often locally dominant.

Refs: Smith et al. (2009), 319; Purvis et al. (1992), 196; Ahti (1961), 74, plate 26 (photo, as C. impexa); Nordic Lichen Flora (2013) 5: 65, 105 (photo); Dobson (2005), 142 & cover (photo); Dobson (2011), 149 (photo); Britton (2008) 25 (photos); Allen (2007), 20 (photo); Jahns (1983), 212-213 (photo); Whelan (2011), 78 (photo); van Herk & Aptroot (2004, 2013), 126-127 (photo, as Cladina portentosa); Aptroot et al. (2011), 100-1 (photos); Krog et al. (1994), 166 (photo); Wirth (1995), 1: 296, 297 (photo); Wirth, Hauck & Schulz (2013), 1: 374, 372 & 406 (photos); Stenroos et al. (2011), 161 (photo); Wirth et al. (2004), 73 (photo); Thomson (1967) 144, plate 24 (photo, as C. impexa); McCune & Geiser (2009), 94 (photo); Lichen Atlas of the British Isles 2: 409 (1996).

FGBI: http://fungi.myspecies.info/lichens/cladonia-portentosa

Cladonia portentosa
Cladonia portentosa, enlarged view
In coastal heath, the Lizard, Cornwall, June 2010
 
Cladonia portentosa
In dune heath, Cuthill Links, East Sutherland, August 2006


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Uploaded March 2008, last updated January 2014