description Letharia vulpina Overview
Letharia vulpina is a fruticose lichen commonly called wolf lichen. It has a yellow to yellow-green, branching thallus and occurs in western North America, where it grows on trees and other woody surfaces. The lichen contains vulpinic acid and has a documented history of use in poison mixtures intended to kill wolves and other animals, although that historical use does not make it safe to handle or consume.
help Letharia vulpina FAQ
Why is Letharia vulpina called wolf lichen?
Letharia vulpina has a yellow to yellow-green, bushy appearance and contains vulpinic acid. Its common name is also connected with documented historical use of the lichen in poisonous baits intended for wolves.
Where can Letharia vulpina be found?
It occurs mainly in western North America, where it grows on trees and other woody surfaces. It is especially recognizable in dry to moderately moist montane and forest habitats from the Pacific region inland.
Is Letharia vulpina safe to eat?
No, it should not be treated as an edible lichen because it contains vulpinic acid and has a history of use as a poison. Its bright yellow color and common name do not make it a safe wild food.
How is wolf lichen different from Usnea longissima?
Letharia vulpina is typically yellow-green and bushy, while Usnea longissima is usually gray-green and forms long, hanging strands. Usnea longissima is known as Methuselah's beard and often has the elastic central cord characteristic of the genus Usnea.
explore Explore More
Similar to Letharia vulpina
See all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
