The Collaborative International Dictionary of English v.0.48:
harvest-lice \harvest-lice\ n. An erect perennial Old World herb (Agrimonia eupatoria) of dry grassy habitats. Syn: Agrimonia eupatoria. [WordNet 1.5]WordNet (r) 3.0 (2006):
harvest-lice n 1: erect perennial Old World herb of dry grassy habitats [syn: harvest-lice, Agrimonia eupatoria]