WordNet sense 1 (dense festoons of greenish-grey hairlike flexuous strands anchored to tree trunks and branches by sparse wiry roots; southeastern United States and West Indies to South America):

Spanish moss, black moss, long moss, Tillandsia usneoides

WordNet sense 2 (vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn):

traveler's joy, Clematis vitalba, traveller's joy

WordNet sense 3 (common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers):

virgin's bower, Clematis virginiana, devil's darning needle