Synonyms for Beggar-ticks (same or very similar meaning)
WordNet sense 1 (the seed of bur marigolds):
Spanish needlesWordNet sense 2 (any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing):
beggar's-ticks, sticktight, bur marigold, burr marigoldFrom the ODE community, based on WordNetadd/edit