Cincotta, R.P. and Engelman, R. Nature's Place: Human Population and the Future of Biological Diversity. Population Action International. January 10, 2000. (3.87 MB PDF)
Conservation International. 2007. Biodiversity Hotspots: California Floristic Province
Myers, N, R.A. Mittermeier, C.G. Mittermeier, G.A.B. da Fonseca, and J. Kent. 2000. Biodiversity hotspots for conservation priorities. Nature 403: 853-858.
National Park Service. 2009. NPS Explore Biology: Invasives Species Management. Webpage updated 8/12/2009.
National Park Service. 2008. Public Affairs, Washington Office. President Proposes $2.4 Billion for NPS in FY2009. February 4, 2008.
Pimentel, D., Lach, L., Zuniga, R. and Morrison, D. 2005. Update on the environmental and economic costs associated with alien-invasive species in the United States. Ecological Economics 52. 273- 288. (200 KB PDF)
Pimentel, D., Lach, L., Zuniga, R. and Morrison, D. 2000. Environmental and Economic Costs of Nonindigenous Species in the United States. BioScience 50: 53-65. (222 KB PDF)
Sandel, B. and E. M. Dangremond. 2012. Climate change and the invasion of California by grasses. Global Change Biology 18: 277-289.
Wilcove, D.S., Rothstein, D., Dubow, J., Phillips, A. and Losos, E. 1998. Quantifying threats to imperiled species in the United States. BioScience 48, 607-615.
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