#12 Common Greenshield Lichen

Common Greenshield Lichen (Flavoparmelia caperata)

11 March

A medium to large foliose lichen that has a very distinctive pale yellow green upper cortex when dry – and it was certainly dry on this winter’s day. It is found on a wide range of surfaces and may grow to cover an area the size of a dinner plate – it was certainly the commonest lichen seen in the woodland we were visiting. Its name comes from ‘flavus’ in Latin, which means yellow or golden. This may be a little misleading as its colour is mostly an apple green.

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