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Images of British Lichens



Caloplaca littorea Tav.


Thallus thin, variably developed and with or without a prothallus, continuous to cracked areolate, becoming densely covered by coralloid or shortly finger-like isidia; apothecia rare (but shown below). Local on dry, sheltered cliff-faces on the west coast (recently also in E. Scotland).

Refs: Smith et al. (2009), 265; Purvis et al. (1992), 154; Dobson (2005), 104 (photo); Dobson (2011), 113 (photo); Whelan (2011), 61 (photo); Valcárcel et al. (2003), 142-3 (photo); Lichen Atlas of the British Isles 6: 265 (2001).

FGBI: http://fungi.myspecies.info/all-fungi/caloplaca-littorea

 
Caloplaca littorea
Caloplaca littorea, enlarged view
Caloplaca littorea, showing apothecia
On sheltered, vertical cliff-face below nesting sea-birds (by the jetty), Skomer, Pembrokeshire, May 2009


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© A.J. Silverside
Uploaded July 2009, last updated January 2016