1. Altitudinal variation in fertility and vegetative growth in the invasive plant Rubus alceifolius Poiret (Rosaceae), on Réunion island.
2. T. Becker, H. Dietz, R. Billeter, H. Buschmann, and P. J. Edwards .2005 .Altitudinal distribution of alien plant species in the Swiss Alps .Perspectives in Plant Ecology, Evolution and Systematics,7:173 -183 .
3. THE EVOLUTION OF AN INVASIVE PLANT: AN EXPERIMENTAL STUDY WITH SILENE LATIFOLIA
4. B. Blossey, and J. Kamil .1996 .What determines the increased competitive ability of invasive non-indigenous plants? Pages3 -9inV. C. Moran, J. H. Hoffmann, editors.Proceedings of the IX International Symposium on Biological Control of Weeds University of Cape Town, Stellenbosch, South Africa.
5. Evolution of Increased Competitive Ability in Invasive Nonindigenous Plants: A Hypothesis