A foliose species with red-brown to dark brown lobes that are adpressed thallus and form rosettes. The lobes are often pitted and have minute pseudocyphellae. Apothecia tend to be very abundant and have red-brown discs and a smooth margin.
Cortex: K-; medulla: C-, K-, UV-
In Scotland, Melanohaela septentrionalis is restricted to the Cairngorms where it is found on well-lit birch twigs, especially in the margins of woods. BLS distribution map
Melanohalea septentrionalis can be found alongside Cetraria sepincola and Tuckermannopsis chlorophylla.
scottishlichens.co.uk 