Photosynthesis (Net CO2 Exchange Rate) References
Sempervivum tectorum L. [Common Houseleek]
Thomas, D.A., Andre, M. and Ganzin, A.-M. 1987. Oxygen and carbon dioxide exchanges in crassulacean acid metabolism plants: II. Effects of CO2 concentration and irradiance. Plant Physiology and Biochemistry 25: 95-103.