Table 1.

Sources of single‐nucleotide polymorphisms (SNPs) used in the design of the PiSy50k array

Data ID	Source tissue	Ascertainment size	Sampling area	DNA/RNA	Method	Reference
a. ProCoGen haploid	M	109 haploids	Europe	DNA	Exome capture, Illumina	Tyrmi et al., 2020
b. ProCoGen diploid	N	68 diploids	Europe	DNA	Exome capture, Illumina	Kastally et al., unpubl. data
c. UOULU exomeFEB2019	NEM	2 diploids	ISS Punkaharju	DNA	Exome capture, Illumina	Kesälahti et al., unpubl. data
d. UOULU RNA‐seq	NEM	18 lineages	ISS Punkaharju	RNA	Transcriptome	Ojeda et al., 2019
e. UKCEH1a	N	17 diploids	Europe	RNA	SNP array Axiom_PineGAP (best set)	Perry et al., 2020
f. UKCEH2	N	17 diploids	Europe	RNA	SNP array Axiom_PineGAP; Transcriptomes of four pine species	Perry et al., 2020; Wachowiak et al., 2015
g. UOULU candidate a	M	12–119 haploids	Europe	DNA	Sanger sequencing, Illumina sequencing	Avia et al., 2014; Grivet et al., 2017; Kujala & Savolainen 2012; Kujala et al., 2017; Palmé et al., 2008; Pyhäjärvi et al., 2007; Vuosku et al., 2018, 2019; Wachowiak et al., 2009; Wegrzyn et al., 2008, EVOLTREE EST database (http://www.evoltree.org/index.php/e‐recources/databases/cbib)
h. LUKE candidate a	M	2–102 haploids	Europe	DNA	Sequence capture, Pacific Bioscience, Illumina	Kujala et al., unpubl. data; Tyrmi et al., 2020

E, embryo; M, megagametophyte; N, needle. ISS Punkaharju: Intensive Study Site Punkaharju, in south‐east Finland.

^a High‐priority sources, favored during the array design.