Images of British Lichens
Aspicilia leprosescens (Sandst.) Motyka
(= Circinaria leprosescens (Sandst.) A.Nordin, S.Savić & Tibell)
Thallus grey, cracked into papillate areoles, the margins of which can become raised and minutely almost squamulose; apothecia usually sparse or absent, set in the thallus, discs black. Widespread on rocky coasts, often common where sea-birds perch, very rarely on exposed rocks inland.
Refs: Smith et al. (2009), 186; Purvis et al. (1992), 99; Dobson (2005), 75 (photo); Dobson (2011), 81 (photo); Allen (2007), 14 (photo); Whelan (2011), 52 (photo); van Herk & Aptroot (2004, 2013), 68-9 (photo).
|On coastal rocks, Lendalfoot, Ayrshire, August 2010|
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Uploaded March 2011, last updated January 2016