Species

Usnea longissima (Methuselah’s beard lichen)

Usnea longissima. Photo: (c) Ben P, some rights reserved (CC BY)

Usnea longissima, old man’s beard or Methuselah’s beard lichen, is a lichen in the family Parmeliaceae.

— Wikipedia

Sightings

Where in Humboldt


Discussion

PLEASE SHARE YOUR THOUGHTS ABOUT USNEA LONGISSIMA, THE METHUSELAH'S BEARD LICHEN