A range of lichen greens--not yellow enough to be olive, not blue enough to be pine or viridian green…

Lichens

Greenlight Lichen, Nephroma arcticum 20101021.11 Canada, BC…

LichenDyeing

Field Notes: Learn About Lichen While the Wildflowers Sleep

Focus on nature: What's not to like about lichens?, Free

North Cascades Institute - Lichen can be found on every corner of

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Lichen - Wikipedia

A range of lichen greens--not yellow enough to be olive, not blue

Time to get enLichened

Green Colour Schemes, Inspiration By Colour

Common Greenshield Lichen New Hampshire Garden Solutions

Learning about Lichens: Blog by Skye Weavers on the Isle of Skye

What is a lichen?