Noun: horsehair lichen
- Any of several lichens of the genus Alectoria having a thallus consisting of filaments resembling hair
"Horsehair lichen draped from the branches of old-growth trees";
- horsetail lichen
Derived forms: horsehair lichens
Type of: lichen
Part of: Alectoria, genus Alectoria
Encyclopedia: Horsehair lichen