Forests get eerie coat of orange from algae

By Roger Thomas
August 15 2019 - 4:30pm
STRIKING DISPLAY: The algae's colour is caused by carotenoid - the same thing that gives carrots and flamingos their colour.
STRIKING DISPLAY: The algae's colour is caused by carotenoid - the same thing that gives carrots and flamingos their colour.

Looking rather like a splattering of orange paint, the orange coating on the tree trunk in the photo is not moss or lichen, but colourful algae.

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