These data comprise all the published (including supplemental materials) information related to the paper titled above. The files are laid out in order of which figure they were used for (e.g. Fig 1-2, Fig. S7, etc). All gas exchange data was collected on plants grown in the glasshouse at the University of Essex, using LiCOR 6400XT or 6800 portable gas exchange systems. All data files include RAW output files and altered files where required (e.g. for changes in leaf area), in .csv, .xls, .xlsx, or Unix executable formats.