Photosynthesis (Net CO2 Exchange Rate) References
Fraxinus pennsylvanica Marsh. [Green Ash]
Davis, J.E., Arkebauer, T.J., Norman, J.M. and Brandle, J.R. 1987. Rapid field measurement of the assimilation rate versus internal CO2 concentration relationship in green ash (Fraxinus pennsylvanica Marsh.): The influence of light intensity. Tree Physiology 3: 387-392.
Loats, K.V. and Rebbeck, J. 1999. Interactive effects of ozone and elevated carbon dioxide on the growth and physiology of black cherry, green ash, and yellow-poplar seedlings. Environmental Pollution 106: 237-248.