The Collaborative International Dictionary of English v.0.48:
Passerina \Passerina\ prop. n. A genus of small North American bush-loving finches; the New World buntings. Syn: genus Passerina. [WordNet 1.5]WordNet (r) 3.0 (2006):
Passerina n 1: a genus of small North American finches including the New World buntings [syn: Passerina, genus Passerina]