TY - RPRT TI - Fourfold polyphyly of the genus formerly known as Upucerthia, with notes on the systematics and evolution of the avian subfamily Furnariinae AU - R.T. Chesser AU - F.K. Barker AU - R.T. Brumfield PY - 2007 DO - 10.1016/j.ympev.2007.04.014 UR - https://pubs.usgs.gov/publication/5224816 ID - 5224816 ER -