Lichen on Elder

Lichen on Elder

Observation - Lichen on Elder. Description: This yellow/green lichen was found to be covering the trunks and branches of virtually every elder bush in the area surveyed, but only on elder. An ID would be greatly appreciated.

This yellow/green lichen was found to be covering the trunks and branches of virtually every elder bush in the area surveyed, but only on elder. An ID would be greatly appreciated.