Bazzaz, F., Coleman, J., Morse, S. 1990. Growth responses of seven major co-occuring tree species of the northeastern United States to elevated CO2. Canadian Journal of Forest Research 20: 1479-1484.

Bazzaz, F.A. and Miao, S.L. 1993. Successional status, seed size and responses of tree seedlings to CO2, light and nutrients. Ecology 74:104-112.

Berntson, G.M. and Bazzaz, F.A. 1996. The allometry of root production and loss in seedlings of Acer rubrum (Aceraceae) and Betula papyrifera (Betulaceae): Implications for root dynamics in elevated CO2. American Journal of Botany 83: 608-616.

Groninger, J.W., Seiler, J.R., Zedaker, S.M. and Berrang, P.C. 1996. Effects of CO2 concentration and water availability on growth and gas exchange in greenhouse-grown miniature stands of Loblolly Pine and Red Maple. Functional Ecology 10: 708-716.

Hao, G.-Y., Holbrook, N.M., Zwieniecki, M.A., Gutschick, V.P. and BassiriRad, H. 2018. Coordinated responses of plant hydraulic architecture with the reduction of stomatal conductance under elevated CO2 concentration. Tree Physiology 38: 1041-1052.

Li, L., Manning, W. and Wang, X. 2019. Elevated CO2 increases root mass and leaf nitrogen resorption in red maple (Acer rubrum L.). Forests 10: 420; doi:10.3390/f10050420.

Naumburg, E. and Ellsworth, D.S. 2000. Photosynthetic sunfleck utilization potential of understory saplings growing under elevated CO2 in FACE. Oecologia 122: 163-174.

Norby, R.J., Long, T.M., Hartz-Rubin, J.S. and O'Neill, E.G. 2000. Nitrogen resorption in senescing tree leaves in a warmer, CO2-enriched atmosphere. Plant and Soil 224: 15-29.