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Gyalecta jenensis (Batsch) Zahlbr.


Thallus custose, generally thin, grey or grey-pink; apothecia with thick, crenate margins and pale orange discs. Similar species on trees require separation on ascospore characters. Widespread, on damp and often shaded calcareous rocks.

Refs: Smith et al. (2009), 420; Purvis et al. (1992), 261; Dobson (2005), 183, 184 (photo of var.); Dobson (2011), 189 (photo of var.); Jahns (1983), 256-257 (photo); Whelan (2011), 98 (photo); Wirth (1995), 1: 408 (photo), 410; Wirth et al. (2004), 255 (photo); Wirth, Hauck & Schulz (2013), 1: 504, 507 (photo); Puntillo (1996), plate 19 (photo); Thomson (1997), 240; Brodo et al. (2001), 329 (photo).

FGBI: http://fungi.myspecies.info/all-fungi/gyalecta-jenensis

 
Gyalecta jenensis
On basic rockface, accompanied by the alga Trentepohlia aurea, Braemar, Aberdeenshire, April 2003


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© A.J. Silverside
Uploaded March 2008, last updated January 2016 (first hosted at www-biol.paisley.ac.uk, December 2006)