clematis vitalba(n = noun.plant) old man's beard, traveler's joy, traveller's joy - vigorous deciduous climber of Europe to Afghanistan and Lebanon having panicles of fragrant green-white flowers in summer and autumn;
is a kind of clematis

clematis, clematis baldwinii, clematis crispa, clematis lasiantha, clematis ochreleuca, clematis tangutica, clematis texensis, clematis versicolor, clematis verticillaris, clematis viorna, clematis virginiana, curly clematis, genus clematis, golden clematis, marsh clematis, mountain clematis, pipestem clematis, purple clematis, scarlet clematis