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Estimated time range of appearance of Aristida grass

Range	14.4-28.8 Mya
Organism	Plants
Reference	Christin PA, Besnard G, Samaritani E, Duvall MR, Hodkinson TR, Savolainen V, Salamin N. Oligocene CO2 decline promoted C4 photosynthesis in grasses. Curr Biol. 2008 Jan 8 18(1):37-43PubMed ID18160293
Method	Researchers inferred a large phylogenetic tree for the grass family and estimated, through Bayesian molecular dating, the ages of the 17 to 18 independent grass C4 lineages.
Entered by	Uri M
ID	105196