Table 1. Models of sequence evolution inferred using FindModel under AIC.

Species	Locus	Model Family	Kappa	Parameters in Rate Matrix	Rate Heterogeneity	Alpha
P. sordidus	mtDNA	TrN	Na	65.95, 24.28	Gamma-distributed rates	0.04
	EF1α	K81	2.01	Na	Gamma-distributed rates	0.04
P. weethumpi	mtDNA	HKY	25.90	Na	Gamma-distributed rates	0.04
	EF1α	K81	1.49	Na	None	Na
T. antithetica	mtDNA	TrN	Na	25.38, 14.72	Gamma-distributed rates	0.04
	EF1α	HKY	35.16	Na	None	Na
T. synthetica	mtDNA	HKY	43.26	Na	Gamma-distributed rates	0.04
	EF1α	HKY	39.72	Na	Gamma-distributed rates	0.04
Y. brevifolia	cpDNA	K81	2.81	Na	Gamma-distributed rates	1.55