1. Arias RS, Netherland MD, Scheffler BE, Puri A, Dayan FE (2004) Molecular evolution of herbicide resistance to phytoene desaturase inhibitors in Hydrilla and its potential use to generate herbicide resistant crops. Pest Manag Sci 61:258–269
2. Barbour MT, Gerritsen J, Griffith GO et al (1996) A framework for biological criteria for Florida streams using benthic macroinvertebrates. J North Am Benthol Soc 15:185–211
3. Bishop WE, Perry RL (1981) Development of evaluation of a flow-through growth inhibition test with duckweed (Lemna minor) In: Branson DR, Diskinson KL (eds) Aquatic toxicology and hazard assessment, 4th Conf. ASTM STP 737. ASTM, Philadelphia, pp 412–435
4. Burkhart CA, Stross RG (1990) An aquatic bioassay of herbicide bleaching in the charophyte sporeling, Nitella furcata. J Aquat Plant Manag 28:50–51
5. California State Water Resource Control Board (2001) Water quality order No. 2001-12-DWQ. Statewide general national pollution discharge elimination system permit for discharges of aquatic pesticides to waters of the United States, General Permit No. CAG990003