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Images of British Lichens

Lecanactis subabietina Coppins & P.James

Thallus a thin, effuse, often extensive, pale grey crust, studded with numerous, white-pruinose-tipped pycnidia which test negative with sodium hypochlorite and yellow with potassium hydroxide (i.e. C-, K+ yellow); apothecia unknown. On dry, shaded, acidic bark, especially of Oak (Quercus), predominantly in the south-west.

Refs: Smith et al. (2009), 453; Purvis et al. (1992), 285; Dobson (2011), 206-7 (photo).

Lecanactis subabietina
On dry bark of Holm Oak (Quercus ilex), Orielton, Pembrokeshire, May 2009
Lecanactis subabietina, close view
Lecanactis subabietina, close view
On dry bark of Oak (Quercus), Ashton Court, Bristol, February 2013 (BLS meeting)

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Uploaded August 2013