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What is lichen? Seven types of lichen found on trees

Lichen can be very visible on branches and bark at this time of year. They can be really difficult to identify, but here are seven common lichens that grow on trees.

Kylie Harrison Mellor  •  24 Apr 2019

Trees woods and wildlife

Bearded tooth fungus

Tufty and beard-like, this rare and legally protected fungus has a reputation for easing dementia.

Trees woods and wildlife

Common bird’s nest fungus

Clinging to twigs and branches like tiny birds’ nests, each common bird’s nest fungus looks like a clutch of white eggs. 

Trees woods and wildlife

Dogwood

Understated until the colder months when it bursts into colour, dogwood is a broadleaf shrub which thrives in damp woodland edges. Legend has it that the timber is so hard, it was used for crucifixes.