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REFERENCES

  • CalEPPC. (1999) Exotic pest plants of the greatest ecological concern in California. California Exotic Pest Plant Council, San Juan Capistrano, California.
  • Dark, S.J. (2004) The biogeography of invasive alien plants in California: an application of GIS and spatial regression analysis. Diversity and Distributions, 10, 19.
  • DiTomaso, J.M. & Healy, E.A. (2003) Aquatic and riparian weeds of the West. University of California Agriculture and natural Resources, Oakland, California.
  • DiTomaso, J.M. & Healy, E.A. (2005) Weeds of California and other western states. University of California Agriculture and Natural Resources, Oakland, California.
  • Hickman, J.C., ed. (1993) The Jepson Manual: higher plants of California. University of California Press, Berkeley, California.
  • Hrusa, F., Ertter, B., Sanders, A., Leppig, G., & Dean, E. (2002) Catalogue of non-native vascular plants occurring spontaneously in California beyond those addressed in The Jepson Manual — Part I. Madroño, 49, 6198.
  • Kartesz, J.T. & Meacham, C.A. (1999) Synthesis of the North American flora. Version 1.0.North Carolina Botanical Garden, University of North Carolina, Chapel Hill.
  • Rejmánek, M. (2000) Invasive plants: approaches and predictions. Austral Ecology, 25, 497506.
  • Rejmánek, M. (2003) The rich gets richer — responses. Frontiers in Ecology and the Environment, 1, 122123.
  • Rejmánek, M. & Randall, J.M. (1994) Invasive plants in California: 1993 summary and comparison with other areas in North America. Madroño, 41, 161177.
  • Richardson, D.M., Pysek, P., Rejmánek, M., Barbour, M.G., Panetta, F.D. & West, C.J. (2000) Naturalization and invasion of alien plants: concepts and definitions. Diversity and Distributions, 6, 93107.
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  • Pysek, P., Richardson, D.M., Rejmánek, M., Webster, G.L., Williamson M. & Kirschner, J. (2004) Alien plants in checklists and floras: toward better communication between taxonomists and ecologists. Taxon, 53, 131143.
  • Williamson, M.H. (1996) Biological invasions. Chapman & Hall, London.