Description: This crustose lichen is relatively frequent on damp, siliceous rocks near upland streams and has a pinkish, yellow-grey thallus cracked into small, mostly convex plates (areoles). The black, margined discs are distinctive, one in each areole, with a chameleon’s eye-like appearance. The thallus is C+ pink. North and west Ireland.

Key Identification Features:

• Lumpy thallus of grey, convex areoles with a pinkish hue; C+ pink
• Wet or damp rocks, often near upland, acid streams; young discs have the look of a chameleon’s eye.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Amygdalaria pelobotryon at iNaturalist World Species Observations database.