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Images of British Lichens

Enterographa crassa (DC.) Fée

Thallus thick, smooth or cracked, grey to brown or olive green; apothecia black, deeply set, rimless, very variable in shape but generally elongated or thread-like, wavy, forming lines. Widespread, locally common in the south and west, often forming mosaics on shaded bark of mature trees, rarely on damp, shaded rocks but then to be separated carefully from the very similar E. hutchinsii.

Refs: Smith et al. (2009), 388; Purvis et al. (1992), 242; Dobson (2005), 169 (photo); Dobson (2011), 175-6 (photo); Whelan (2011), 93 (photo); van Herk & Aptroot (2004, 2013), 176-177 (photo); van Haluwyn et al. (2009), 178-9 (photo); Puntillo (1996), plate 17 (photo); Thor & Arvidsson (1999), 264 (photo); Arup et al. (1997), 177 (photo).


Enterographa crassa
Enterographa crassa, enlarged view
On bark of Holm Oak (Quercus ilex), Orielton, Pembrokeshire, May 2009
Enterographa crassa
On bark of Hazel (Corylus avellana), Ty Canol, Pembrokeshire, May 2009

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© A.J. Silverside
Uploaded August 2013, updated January 2016