1. U.S. Geological Survey, Wetland and Aquatic Research Center700 Cajundome BoulevardLafayetteLouisiana70506USA
2. J. M. Malone and Son, Inc.1156 Malone Lake RoadLonokeArkansas72086USA
3. University of Arkansas at Pine Bluff, Lonoke Agriculture Center2001 Highway 70 EastLonokeArkansas72086USA
4. Virginia Commonwealth University, Life Sciences Building907 Floyd AvenueRichmondVirginia23284USA
5. Santee Cooper, Analytical and Biological ServicesMoncks Corner, 1 Riverwood DriveSouth Carolina29461USA