Horn, James W.; Xi, Zhenxiang; Riina, Ricarda; Peirson, Jess A.; Yang, Ya; Dorsey, Brian L.; Berry, Paul E.; Davis, Charles C.; Wurdack, Kenneth J.
(2014)
The mid-Cenozoic decline of atmospheric CO2 levels that promoted global climate change was critical to shaping contemporary arid ecosystems. Within angiosperms, two CO2 -concentrating mechanisms (CCMs)-CAM and C4 -evolved ...