Usnea
   

Usnea

This hair-like, greenish lichen can be short and bushy or very long (e.g. tinsel on a Christmas tree). It can be confused with Alectoria, however, Usnea has a white central cord that is visible when slowly pulled apart. This lichen is often eaten by wildlife and is commonly associated with old growth forests. It usually grows on trees and shrubs, but occasionally can be found on rocks.




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