Brecke, Barry J., Darcy E. Partridge-Telenko, J. Bryan Unruh, and Ramon Leon. 2019. “Pennywort (Dollarweed) Biology and Management in Turf: ENH1128/EP389, 7/2009”. EDIS 2009 (6). Gainesville, FL. https://doi.org/10.32473/edis-ep389-2009.