Found 2 items, similar to usnea barbata.
English → English (WordNet) Definition: Usnea barbata Usnea barbata n : greenish gray pendulous lichen growing on trees [syn: beard lichen , beard moss]
English → English (gcide) Definition: Usnea barbata Treebeard \Tree"beard`\, n. (Bot.) A pendulous branching lichen (Usnea barbata); -- so called from its resemblance to hair. [1913 Webster]