Lichen - Aspercilia contorta, click for a larger photo
Click for a larger photo
Picture ©2010 Kay Newbury
University of Reading

Lichen - Aspercilia contorta

Many thanks to Kay Newbury at Reading University for the identification of this Lichen species - Aspercilia contorta - A grey-white crustose lichen that grows on rock. It is has deep cracks which divide the thallus into little islands. Where snails have eaten away the top surface each island has a black fruit showing in the centre.

Basic species description for Lichens.

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