Irish lichens
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Order: Lecanorales
Family: Parmeliaceae
Species: Usnea esperantiana Photos: Ballingeary and Macroom, Co. Cork, SW Ireland. Small, usually erect, base not blackened, surface rough, warty. Numerous thin twisted branchlets not or slightly constricted, tips recurved and covered with soralia. Isidia absent, apothecia rare. Medulla: K+ red, P+ red Occurs on deciduous trees and shrubs, often in well-lit exposed situations and orchards. Scattered Irish distribution but appears to be most frequent in the south-west |
Usnea esperantiana