noun
- Widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus.
- synonyms: genus Usnea
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). usnea. Retrieved September 29, 2026, from http://smartdefine.org/usnea/definitions/1241512 |
| Chicago | WordNet. 2010. "usnea" http://smartdefine.org/usnea/definitions/1241512 (accessed September 29, 2026). |
| Harvard | WordNet 2010, usnea, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/usnea/definitions/1241512>. |
| MLA | WordNet. "usnea" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/usnea/definitions/1241512> |