Parmeliaceae Melanohalea laciniatula Growth type foliose Chemical reactions negative Occurs on nutrient-rich trunks and branches of well-lit roadside deciduous trees. First recorded in Surrey in 1930's Adpressed green or brown thallus capable of forming large patches, the centre covered with small, overlapping, flat or suberect folioles. Marginal lobes are smooth, flattish, +/- developed. Apothecia unknown. Lower surface of lobes pale with simple rhizines, upper without pseudocyphellae.

Melanohalea laciniatula
On Oak. Holton Lee, Dorset. December 2012