beard moss

English Thesaurus

1. greenish grey pendulous lichen growing on trees (noun.plant)

hypernym	:	lichen,
definition	:	any thallophytic plant of the division Lichenes; occur as crusty patches or bushy growths on tree trunks or rocks or bare ground etc. (noun.plant)

member meronym	:	genus usnea, usnea,
definition	:	widely distributed lichens usually having a greyish or yellow pendulous freely branched thallus (noun.plant)