1. fruticose lichens having prostrate or erect or pendulous thalli: genera Usnea, Evernia, Ramalina, Alectoria; [syn: Usneaceae, family Usneaceae]
WordNet (r) 3.0 (2006):
family Usneaceae
n 1: fruticose lichens having prostrate or erect or pendulous
thalli: genera Usnea, Evernia, Ramalina, Alectoria [syn:
Usneaceae, family Usneaceae]