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Burren (karst region in Co. Clare)

15_burren_02The Burren is a unique landscape being composed wholly of limestone comprising both uplands and lowlands. Limestone uplands are a rarity in Ireland. The lichens of the Burren are consequently limestone loving. However, the Burren is scattered with large granite erratics and smaller silica-rich stones. These stones have been used by Man in conjunction with limestone, in the building of walls and churches allowing many silica-loving lichens to find a home there. Lastly, the Burren is home to both mature and young hazel woods. Hazel woodlands are home to many other species of lichen. The lichens below are found in the Burren on limestone, silica-rich rocks and hazel woods.