Images of British Lichens
Cladonia rangiferina (L.) F.H.Wigg.
One of the 'reindeer lichens' (subgenus Cladina), podetia generally erect, in tufted mats, white to pale grey below, upper parts pale, purplish-grey, paler when dry, becoming brown towards the branch-tips, branches strongly recurved in one direction, ultimate branches generally in fours (tetrachotomous), tips often furcate, podetium surface with a cottony texture, as if covered with cobweb; pycnidia small, brown, containing colourless jelly, located on the branch tips, apothecia on tips of branches, small, brown, rare. Generally in exposed, usually upland heathland, often with C. arbuscula subsp. squarrosa and other members of subgenus Cladina, in the north and west.
Refs: Smith et al. (2009), 319; Purvis et al. (1992), 194; Ahti (1961), 86-91 (description includes C. stygia), plate 30 (photo); Dobson (2005), 143 (photo); Dobson (2011), 150 (photo); Britton (2008) 26 (photos); Jahns (1983), 212-213 (photo); Whelan (2011), 79 (photo); Wirth (1995), 1: 295 (photo), 296 (photo); Wirth et al. (2004), 70 (photo); Wirth, Hauck & Schulz (2013), 1: 10 (photo), 370 (photo), 374; Krog et al. (1994), 167 (photo); Moberg & Holmåson (1984), 149 (photo, as Cladina rangiferina); Holien & Tønsberg (2008), 81 (photo, left part of mixed colony); Stenroos et al. (2011), 164 (photo); Hansen & Andersen (1995), 24 (photo); Hinds & Hinds (2007), 202 (photo); Thomson (1967) 151 (description includes C. stygia), plate 26 (photos); Walewski (2007), 84 (photo); McCune & Geiser (2009), 29 (photo); Øvstedal & Lewis Smith (2001), 171 (brief), plates 35, 36 (photo); Lichen Atlas of the British Isles 2: 411 (1996).
|In montane heath, the Lecht, Aberdeenshire, August 2009|
|In lichen heath in sandy pine (Pinus sylvestris) forest, Culbin Sands, Morayshire, August 2010|
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Uploaded July 2010, last updated September 2013