usnea : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: usnea	by the DICT Development Group
2 results for usnea
From WordNet (r) 3.0 (2006) [wn]:
Usnea n widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus Synonym(s): Usnea, genus Usnea
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Usnic \Us"nic\, a. (Chem.) Pertaining to, or designating, a complex acid obtained, as a yellow crystalline substance, from certain genera of lichens ({Usnea}, {Parmelia}, etc.).