meaning of usnea
1. A genus of lichens, most of the species of which have long, gray, pendulous, and finely branched fronds. Usnea barbata is the common bearded lichen which grows on branches of trees in northern forests.
2. widely distributed lichens usually having a grayish or yellow pendulous freely branched thallus
Related Words
usnea | usnea barbata | usneaceae |
