A distinctive, fruticose species with grey-green, hard, shiny and divided branches with upturned edges that produce a deep channel. Apothecia may be present on or near the tips of branches.
Medulla: C-, K-, UV-
In Scotland, Ramalina calicaris is widespread in coastal and some upland areas where it grows on well-lit to lightly shaded trees with nutrient-rich bark, including willow. BLS distribution map
scottishlichens.co.uk 