Photosynthesis (Net CO2 Exchange Rate) References
Lupinus arizonicus (S. Wats.) S. Wats. [Arizona Lupine]
Forseth, I.N. and Ehleringer, J.R. 1983. Ecophysiology of two solar tracking desert winter annuals. III. Gas exchange responses to light, CO2 and VPD in relation to long-term drought. Oecologia 57: 344-351.