Spanish moss 
noun [mass noun]
A tropical American plant which grows as silvery-green festoons on trees, obtaining water and nutrients directly through its surface.
- Tillandsia usneoides, family Bromeliaceae. See also air plant.
- Now if we lived somewhere, say in Louisiana, the driveway would be surrounded by weeping willows and Spanish moss.
- We kept brushing into low hanging Spanish moss and cypress limbs, and were having to duck and weave our way along.