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Images of British Lichens


Hymenelia epulotica (Ach.) Lutzoni
 
(= Ionaspis epulotica (Ach.) Arnold)


Thallus a thin, yellowish or pinkish grey crust, partly immersed in the rock surface or superficial and becoming cracked-areolate; apothecia pink-brown, often surrounded by a circular fissure. Very similar to H. prevostii but with Trentepohlia photobiont and scratching yellow. Widespread but very local on damp, calcareous or base-flushed rocks.

Refs: Smith et al. (2009), 433; Purvis et al. (1992), 278 (as I. epulotica); Dobson (2005), 188 (photo); Dobson (2011), 193-4 (photo); Wirth (1995), 1: 436 (as I. epulotica); Puntillo (1996), plate 20 (photo, as I. epulotica); Thomson (1997), 252, 253 (photo, as I. epulotica)).

 
Hymenelia epulotica
Hymenelia epulotica
On limestone rockface, Schiehallion, Perthshire, April 2003


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© A.J. Silverside
Uploaded March 2008, last updated November 2011 (first hosted at www-biol.paisley.ac.uk, June 2007)