Data for: A multi-century 13C record of the C4 grass Setaria macrostachya in the US Southwest: Identifying environmental causes of variability

List of individual measurements of d13C is florets of Setaria macrostachya, 1849 to 2016.本数据集收录了1849年至2016年间大穗狗尾草（Setaria macrostachya）小花的碳同位素比值（d13C）单项测量值列表。