Table 5. Heatmap with the mean estimates of evolutionary divergence of the nuclear 5S IGS over sequence pairs within and between the investigated taxa.

Standard error estimates are shown above the diagonal.

Dataset	Intra-	Intergroup divergence
Q. afares	0.0057		0.0065	0.0059	0.0058	0.0048	0.006	0.0064	0.0058	0.0062	0.0085	0.0052	0.0049
Q. brantii	0.0357	0.0353		0.0068	0.0066	0.006	0.0067	0.0044	0.0063	0.0068	0.0054	0.006	0.0061
Q. cerris	0.0167	0.0244	0.0427		0.0042	0.0043	0.0021	0.0062	0.0046	0.0021	0.0088	0.0056	0.0032
Q. castaneifolia	0.0053	0.0169	0.0343	0.0166		0.0048	0.004	0.0062	0.0045	0.0041	0.0085	0.0055	0.0035
Q. crenata	0.023	0.0241	0.0422	0.0266	0.0216		0.0044	0.0056	0.005	0.0046	0.0078	0.0028	0.004
Q. euboica	0.0194	0.026	0.0436	0.0193	0.0171	0.0285		0.0061	0.0046	0.0026	0.0088	0.0055	0.0031
Q. ithaburensis	0.0367	0.0364	0.0386	0.0423	0.0344	0.0422	0.0431		0.0057	0.0062	0.0056	0.0058	0.0056
Q. libani	0.0166	0.0232	0.0382	0.0244	0.0179	0.028	0.0255	0.037		0.0046	0.0078	0.0054	0.0041
Q. look	0.0134	0.023	0.0406	0.0159	0.0139	0.0255	0.0175	0.0401	0.0214		0.0089	0.0057	0.0032
Q. macrolepis	0.0194	0.0399	0.036	0.0498	0.0399	0.0473	0.0507	0.0376	0.0434	0.0481		0.0079	0.0079
Q. suber	0.0135	0.0211	0.0382	0.0279	0.0201	0.0197	0.0288	0.0385	0.0262	0.026	0.0423		0.0045
Q. trojana	0.027	0.0257	0.0433	0.0259	0.0195	0.0304	0.0266	0.043	0.0259	0.0235	0.0492	0.0287