Dolichousnea longissima
| Methuselah's beard lichen | |
|---|---|
Secure (NatureServe) | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Lecanoromycetes |
| Order: | Lecanorales |
| Family: | Parmeliaceae |
| Genus: | Dolichousnea |
| Species: | D. longissima
|
| Binomial name | |
| Dolichousnea longissima (Ach.) Articus (2004)
| |
| Synonyms | |
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.