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Images of British Lichens


Umbilicaria polyphylla (L.) Baumg.


Thallus attached at central point, divided into multiple lobes, smooth and coppery- to dark brown above, lacking isidia, lower surface black, without rhizinomorphs (non-attaching rhizines), thalloconidia present; apothecia rare. Locally common on exposed rocks and boulders in the north and west.

Refs: Krzewicka (2004), 57; Smith et al. (2009), 916; Purvis et al. (1992), 619; Dobson (2005), 436 (photo); Dobson (2011), 444 (photo); Jahns (1983), 228-228 (photo); Whelan (2011), 148 (photo); Wirth (1995), 2: 930, 936 (photo); Wirth et al. (2004), 138 (photo); Moberg & Holmåson (1984), 156 (photo); Hansen & Anderson (1995), 69 (photo); Puntillo (1996), plate 41 (photo); Hinds & Hinds (2007), 484 (photo); Brodo et al. (2001), 706-7 (photo); McCune & Geiser (2009), 351 (photo).

 
Umbilicaria polyphylla
On siliceous rocks, Mar Estate, Aberdeenshire, April 2008
 
Umbilicaria polyphylla
On siliceous upland rocks, Braemar, Aberdeenshire, April 2002
 
Umbilicaria polyphylla
On siliceous upland rocks, Braemar, Aberdeenshire, March 2008


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© A.J. Silverside
Uploaded August 2008, last updated May 2012 (first hosted at www-biol.paisley.ac.uk, January 2003)