Greenfield, B. K.; Spencer, D. F.; Ksander, G. G.; Donovan, M. J.; Liow, P. S.; Chan, W. K.; Shonkoff, S. B.; Andrews, S. P. 2006. Evaluation of water hyacinth survival and growth in the Sacramento Delta, California following cutting. J. of Aquatic Plant Management . SFEI Contribution No. 440.

Greenfield, B. K.; Spencer, D. F.; Ksander, G. G.; Donovan, M. J.; Liow, P. S.; Chan, W. K.; Shonkoff, S. B.; Andrews, S. P. 2005. Evaluation of waterhyacinth survival and growth following cutting.