Description: Previously called Melanelia laciniatula, this is a small, brown foliose lichen of well-illuminated, nutrient-rich bark, twigs and branches. It is easily distinguished from other small, brown, foliose lichens by the negative spot tests and the superabundance of tiny, flattened overlapping folioles which resemble flaps. Discs are unknown. In Ireland, it occurs mainly in central, southern and eastern areas.

Key Identification Features:

• Thallus brown to green-brown with all spot tests negative; surface abundantly covered with tiny, overlapping flaps called folioles; lower surface pale
• Discs not known; nutrient-rich bark of well-lit trees near roads and waysides.

Original text submitted by Vince J. Giavarini

Distribution Map from NBN: Melanohalea laciniatula at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Melanohalea laciniatula at iNaturalist World Species Observations database.