2. Callaway, R. M., and E. T. Aschehoug. 2000. Invasive plants versus their new and old neighbors: a mechanism for exotic invasion. Science (Washington D C) 290:521-523.
3. Daehler, C. C. 1998. The taxonomic distribution of invasive angiosperm plants: Ecological insights and comparison to agricultural weeds. Biological Conservation 84:167-180.
4. Ellstrand, N. C., and K. A. Schierenbeck. 2000. Hybridization as a stimulus for the evolution of invasiveness in plants? Proceedings of the National Academy of Sciences of the United States of America 97:7043-7050. [pdf]
5. Gilchrist, A. S., and L. Partridge. 1999. A comparison of the genetic basis of wing size divergence in three parallel body size clines of Drosophila melanogaster. Evolution 53:1775-1787.
6. Huey, R. B., G. W. Gilchrist, M. L. Carlson, D. Berrigan, and L. S. Serra. 2000. Rapid evolution of a geographic cline in size in an introduced fly. Science (Washington D C) 287: 308-309.
7. Thompson, J. N. 1998. Rapid evolution as an ecological process. Trends in Ecology & Evolution 13:329-332.
8. Thompson, J. N. 1999. The evolution of species interactions. Science (Washington D C) 284:2116-2118.
9. Willis, A. J., and B. Blossey. 1999. Benign environments do not explain the increased vigour of non-indigenous plants: A cross-continental transplant experiment. Biocontrol Science and Technology 9:567-577.
10. Willis, A. J., J. Memmott, and R. I. Forrester. 2000. Is there evidence for the post-invasion evolution of increased size among invasive plant species? Ecology Letters 3:275-283.
11. Willis, A. J., M. B. Thomas, and J. H. Lawton. 1999. Is the increased vigour of invasive weeds explained by a trade-off between growth and herbivore resistance? Oecologia (Berlin) 120:632-640. [pdf]