Images of British Lichens
Protoparmelia oleagina (Harm.) Coppins
Thallus of subglobose, olive to dark brown granules, sparsely isidiate; apothecia rare, with thalline margins and olive-brown to blackish-brown, oily-lustrous discs. On acidic wood, including old fence rails, especially of Scots Pine (Pinus sylvestris) but also Oak (Quercus), very local and mainly in the Scottish Highlands.
Refs: Smith et al. (2009), 755; Purvis et al. (1992), 503; Dobson (2005), 367 (photo); Dobson (2011), 370, 371 (photo); van Herk & Aptroot (2004, 2013), 322-3 (photo).
|On old pinewood bridge, Mar Estate, Aberdeenshire, April 2008|
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Uploaded May 2009, last updated December 2013