Thallus pale greenish grey to grey, often zoned at the margin, surface with often abundant, often (but not always) clearly delimited, round soralia that lack a bitter taste, apothecia rare.
Widespread on bark of deciduous trees, only occasionally on other substrates.
All year round.
Widespread and fairly frequent in Britain though it seems to have a somewhat uneven distribution.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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