BassiriRad, H., Reynolds, J.F., Virginia, R.A. and Brunelle, M.H. 1998. Growth and root NO3^- and PO4^3- uptake capacity of three desert species in response to atmospheric CO2 enrichment. Australian Journal of Plant Physiology 24: 353-358.

Causin, H.F., Tremmel, D.C., Rufty, T.W. and Reynolds, J.F. 2004. Growth, nitrogen uptake, and metabolism in two semiarid shrubs grown at ambient and elevated atmospheric CO2 concentrations: effects of nitrogen supply and source. American Journal of Botany 91: 565-572.

Derner, J.D., Tischler, C.R., Polley, H.W. and Johnson, H.B. 2005. Seedling growth of two honey mesquite varieties under CO2 enrichment. Rangeland Ecology & Management 58: 292-298.

Polley, H.W., Tischler, C.R. and Johnson, H.B. 2006. Elevated atmospheric CO2 magnifies intra-specific variation in seedling growth of honey mesquite: An assessment of relative growth rates. Rangeland Ecology and Management 59: 128-134.

Polley, H.W., Tischler, C.R., Johnson, H.B. and Pennington, R.E. 1999. Growth, water relations, and survival of drought-exposed seedlings from six maternal families of honey mesquite (Prosopis glandulosa): responses to CO2 enrichment. Tree Physiology 19: 359-366.

Tischler, C.R., Polley, H.W., Johnson, H.B. and Pennington, R.E. 2000. Seedling Response to Elevated CO2 in Fine Epigeal Species. International Journal of Plant Sciences 161: 779-783.