A distinctive, fruticose lichen with a grey-green to pale yellowish green, pendant thallus that consists of a few long, straggling, intertwined main branches and many short side branches that diverge at right angles from the main branches. The overall appearance resembles that of a fishbone. The holdfast is blackened and the main branches have coarse warts from which isidia arise.
Thallus: C-, K+ yellow turning red
In Scotland, Usnea dasopoga is widespread on Scots pine, larch and birch in upland woodlands. BLS distribution map
scottishlichens.co.uk 