TY - GEN AU - Osborne,Colin P AU - Freckleton,Robert P TI - Ecological selection pressures for C4 photosynthesis in the grasses SN - 0962-8452 PY - 2009///0702 KW - Adaptation, Physiological KW - Ecosystem KW - Likelihood Functions KW - Photosynthesis KW - genetics KW - Phylogeny KW - Poaceae KW - Selection, Genetic KW - Species Specificity N1 - Publication Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1098/rspb.2008.1762 ER -