Irish lichens

Usnea flammea
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

Usnea flammea
Usnea flammea on acidic upland rock. March 2009

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