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Cladonia polydactyla (Flörke) Spreng.


Podetia grey, often intensely so, extremely variable, unbranched to weakly branched, commonly terminating in regular to irregular cups, farinose-sorediate above, squamulose towards the base, apothecia bright red, terminal and on the cup margins. One of several species with often conspicuous red apothecia and requiring careful identification. On peat, trunks and rotting wood, widespread and generally common.

Refs: Smith et al. (2009), 333; Purvis et al. (1992), 199; Nordic Lichen Flora (2013) 5: 65, 105 (photo); Dobson (2005), 131 (photo); Dobson (2011), 139-40 (photo); Whelan (2011), 77 (photo); van Haluwyn et al. (2009), 216-7 (photo); van Herk & Aptroot (2004, 2013), 152-153 (photo); Aptroot et al. (2011), 98-9 (photos); Wirth (1995), 1: 298, 334 (photo); Wirth, Hauck & Schulz (2013), 1: 375, 405 (photo); Krog et al. (1994), 165 (photo); Stenroos et al. (2011), 160 (photo); Valcárcel et al. (2003), 164-5 (photo); Puntillo (1996), plate 13 (photo, dry); Thomson (1967) 63, plate 1 (photo); Lichen Atlas of the British Isles 2: 408 (1996).

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

 
Cladonia polydactyla, podetia with red apothecia
On rotting log, Queen's View, Perthshire, April 2003


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© A.J. Silverside
Uploaded March 2008, last updated January 2014 (first hosted at www-biol.paisley.ac.uk, December 2006)