C4 photosynthesis, trait spectra, and the fast-efficient phenotype - Monson, Russell K.; Li, Shuai; Ainsworth, Elizabeth; Fan, Yuzhen; Hodge, John G.; Knapp, Alan; Leakey, Andrew D.B.; Lombardozzi, Danica; Reed, Sasha C.; Sage, Rowan; Smith, Melinda; Smith, Nicholas; et al. (New Phytologist, 2025)