beard moss

Thesaurus

Noun

1.

beard moss - greenish grey pendulous lichen growing on treesbeard lichen, Usnea barbatalichen - any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc.genus Usnea, Usnea - widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus