loading . . . Gene turnover and contingency facilitated the repeated evolution of C4 photosynthesis in grasses In grasses, almost all species belong to two evenly sized clades (BOP and PACMAD), yet the >20 independent origins of C4 photosynthesis in this family only occur in the PACMAD lineage. Here, we identi... https://www.biorxiv.org/cgi/content/short/2025.04.23.650007v1
