Synonyms for Bridal Wreath (same or very similar meaning)
WordNet sense 1 (Chilean evergreen shrub having delicate spikes of small white flowers):
bridal-wreath, Francoa ramosaWordNet sense 2 (shrub having copious small white flowers in spring):
Saint Peter's wreath, Spiraea prunifolia, St. Peter's wreathFrom the ODE community, based on WordNetadd/edit