Order: Lecanorales       Family: Parmeliaceae Species: Usnea flammea Growth type fruticose. Photos: On acidic upland rock. Ballingeary, Cork, SW Ireland. Base unblackened, pale annular rings on main branches. Main stems +/- smooth near base. Lateral branches grow from one side of main stem, often ending in fine tassel. Sub-pendulous with lax medulla. Usually occurs on exposed rocks near the coast. Can also be found on mossy trees and heather stems. Medulla: K+ yellow turning red, P+ orange

Usnea flammea on acidic upland rock. March 2009