!rowspan="2"|North Carolina<ref>Brown RA, Hunt WF. Bioretention Performance in the Upper Coastal Plain of North Carolina. In: Low Impact Development for Urban Ecosystem and Habitat Protection. Reston, VA: American Society of Civil Engineers; 2008:1-10. doi:10.1061/41009(333)95.</ref> | !rowspan="2"|North Carolina<ref>Brown RA, Hunt WF. Bioretention Performance in the Upper Coastal Plain of North Carolina. In: Low Impact Development for Urban Ecosystem and Habitat Protection. Reston, VA: American Society of Civil Engineers; 2008:1-10. doi:10.1061/41009(333)95.</ref> |