TABLE 3.

Summary of polymorphic site counts in 12 interspecific sample comparisons (S. peruvianum–S. chilense)

Sample contrast	Length (bp)	Sx1	Sx2	Ss	Sf
TAR–TAC	9186	232	174	74	6
TAR–MOQ	9178	230	187	74	5
TAR–QUI	9191	241	182	64	7
NAZ–TAC	9227	236	175	68	2
NAZ–MOQ	9208	236	190	67	2
NAZ–QUI	9195	224	165	78	4
CAN–TAC	9208	296	160	75	3
CAN–MOQ	9202	291	175	77	3
CAN–QUI	9206	291	160	81	4
TAR/CAN–MOQ	9135	416	159	88	2
CAN–TAC/MOQ	9190	280	253	83	2
TAR/CAN–TAC/MOQ	9126	404	232	98	2

The four site categories, S_x1, S_x2, S_s, and S_f (see Table 2 and text for definitions), have been summarized over all seven loci; multiple hits were eliminated from each data set. The final three rows feature pooled sets of populations (see text).