A crustose lichen with a striking, bright rust-red thallus and smooth, convex areoles.
Acarospora sinopica occurs mainly in upland areas of eastern and central Scotland where it prefers iron-rich, acid rock in exposed situations. BLS distribution map
Acarospora sinopica, Tremolecia atra and Rhizocarpon oederi are often found alongside each other on iron-rich, acid rock.
Acarospora sinopica is distinguished Tremolecia atrata and Rhizocarpon oederi on basis of its squamulose appearance.
scottishlichens.co.uk 