1. Ashton, P. J. and D. S. Mitchell. 1989. Aquatic plants: patterns and modes of invasion, attributes of invading species and assessment of control programmes. p. 111–154.In J. A. Drake, H. A. Mooney, F. di Castri, R. H. Groves, F. J. Kruger, M. Rejmanek, and M. Williamson (eds.) Biological Invasions: a Global Perspective. John Wiley and Sons, Chichester, Great Britain.
2. Ballard, J. T. 1979. Fluxes of water and energy through the Pine Barrens ecosystems. p. 133–146.In R. T. T. Forman (ed.) Pine Barrens: Ecosystem and Landscape. Academic Press, New York, NY, USA.
3. Brinson, M. M. 1993. Changes in the functioning of wetlands along environmental gradients. Wetlands 13:65–74.
4. Burke, M. J. W. and J. P. Grime. 1996. An experimental study of plant community invasibility. Ecology 77:776–790.
5. Drake, J. A., H. A. Mooney, E. di Castri, R. H. Groves, F. J. Kruger, M. Rejmanek, and M. Williamson (eds.). 1989. Biological Invasions: a Global Perspective. John Wiley, Chichester, Great Britain.