Word Study
usnea
WORDNET DICTIONARY
Noun usnea has 1 sense
- usnea(n = noun.plant) genus usnea - widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus; Array is a kind of fungus genus
is a member of family usneaceae, usneaceae
CIDE DICTIONARY
usnea, n. [NL., from Ar. usnah moss.].
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. [1913 Webster]
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