Dolichousnea longissima (syn. Usnea longissima), commonly known by the names old man's beard or Methuselah's beard lichen, is a fruticose lichen in the family Parmeliaceae.
From Wikipedia, under CC BY-SA 4.0.
Is it poisonous?
We have no record of Methuselah's Beard Lichen being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.
Easily confused with
Classification
- Kingdom
- Fungi
- Phylum
- Ascomycota
- Class
- Lecanoromycetes
- Order
- Lecanorales
- Family
- Parmeliaceae
- Genus
- Usnea
- Species
- Usnea longissima
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