EPA Healthy Waters http://blog.epa.gov/healthywaters/2010/05/themes/landuse/sticking-to-a-pollution-diet/
Chesapeake Bay Foundation www.cbf.org
Chesapeake Native Nursery www.chesapeakenatives.com
Environmental Protection Agency www.epa.gov/owm
Delaware Department of Natural Resources & Environmental Control www.dnrec.delaware.gov
Delaware Native Plant Society www.delawarenativeplants.org
Delaware Invasive Plant List www.dnrec.state.de.us/fw/invasive.htm
NationalArboretum www.usna.usda.gov/Gardens/sources.html
USDA Natural Resources Conservation Service plant-materials.nrcs.usda.gov
