Lichen - Lecidella elaeochroma, click for a larger image
Click photo for a larger image
Photo ©2010 - Tigerente

Lichen - Lecidella elaeochroma
Family - Lecanoraceae

Many thanks to Kay Newbury at Reading University for the identification of this Lichen species - Lecidella elaeochroma.

A crustose lichen found on the bark of trees.  The thallus is a whitish grey to pale grey green colour cracked crust, usually without soredia but occasionally with small, yellow-green, spot-like soralia.  Apothecia small (between 0.4 and 1.0 mm), black, concave to convex, when young with well-defined margins.  An early colonist of smooth-barked trees especially on Ash, Walnut and Hornbeam, widespread and often very common in the UK, Europe and North America.

Basic species description for Lichens, other Lichen species in Brickfields Park.

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