Lobaria scrobiculata

Revised name: Lobarina scrobiculata

A distinctive foliose species that is yellowish grey when dry and blue-grey to almost black when wet. The large, ridged lobes are only attached to the substratum towards the centre. On lobe margins and ridges there may be coarse, blue-grey soralia and/or dark, almost globose isidia. The species rarely has red-brown apothecia.

Medulla: C-, K+ yellow, UV+ violet-glaucous

In Scotland, Lobaria scrobiculata is mainly found in the central and western Highlands where it grows on old, broadleaved trees and mossy rocks in coastal areas. BLS distribution map