Tillandsia usneoides (Spanish moss), a flowering plant, particularly after it has been dried for use as stuffing and decoration.
Any of numerous species of dark-coloured mosses (Bryophyta), possibly species of the genera Grimmia, Andreaea, Syntrichia, Cinclidotus.
Nostoc flagelliforme (fat choy), a terrestrial cyanobacterium eaten in Chinese cuisine.
Bryoria fremontii (wila), a lichen eaten by First Peoples in North America.
Tillandsia usneoides, a bromeliad; Spanish moss.
Used other than figuratively or idiomatically: see old, man, -'s, beard.
Clematis aristata, an Australian climbing plant.
Clematis vitalba, a climbing plant.
Chionanthus virginicus, a tree.
Usnea, a type of lichen.