A foliose species with long, narrow, rather erect lobes and prominent marginal cilia. The lobe ends are flat, but may turn back to reveal coarse, cream-coloured soredia.
Cortex: K+ yellow. Medulla: K-
Physcia tenella is common and widespread across Scotland where it is found mainly on twigs of nutrient-enriched trees. BLS distribution map
Physcia tenella can grow intermixed with Physcia adscendens.
Physcia tenella is distinguished from Physcia adscendens by the flat, rather than hooded and inflated lobe ends.
scottishlichens.co.uk 