Table 1.

Sequencing summary statistics for the candidate genes and the control genes for each species.

	Candidate				Control
	Abies alba	Larix decidua	Pinus cembra	Pinus mugo	A. alba	L. decidua	P. cembra	P. mugo
Total genes	70	61	171	190	32	35	109	120
Length mean (bp)	380 ± 117	389 ± 123	398 ± 117	386 ± 119	389 ± 105	401 ± 109	379 ± 106	381 ± 106
No. of samples	5 ± 3	3 ± 1	6 ± 3	4 ± 2	5 ± 3	4 ± 2	6 ± 3	5 ± 2
Polymorphic genes (%)	54.29	50.82	45.03	73.16	56.25	37.14	34.26	73.33
Total no. of SNPs	197	219	284	900	131	88	90	487
No. of SNPs per gene	3 ± 6	4 ± 9	2 ± 4	5 ± 9	4 ± 9	3 ± 7	1 ± 2	4 ± 7
SNP frequency	135	108	239	81	95	159	459	94
Watterson’s θ	0.0059 0.014	0.0077 0.020	0.0025 0.007	0.0082 0.039	0.0064 0.014	0.0044 0.012	0.0013 0.006	0.0069 0.013
Nucleotide diversity (π)	0.0059 0.0134	0.0078 0.020	0.0024 0.007	0.0081 0.079	0.0061 0.013	0.0047 0.014	0.0013 0.006	0.0067 0.013
Divergence	0.0873 0.0326	0.0829 0.031	0.0378 0.017	0.0157 0.013	0.0820 0.039	0.0734 0.036	0.0373 0.025	0.0159 0.012

Mean values are reported in boldface type with their standard deviation.