Table 1.

List of sampled host conifers, their common names, native ranges, and sample abbreviations used in the data.

Host Species	Common Name	Native to	Abbreviation
Picea abies	Norway spruce	Northern, Central, and Eastern Europe	Abie
Picea glauca	White/Canadian spruce	Alaska through central Canada to Newfoundland	Glau
Picea omorika	Serbian spruce	Endemic to Drina river valley, Serbia	Omori
Picea pungens	Blue/Colorado spruce	Rocky Mountains, USA	Pung
Picea sitchensis	Sitka spruce	West coast Canada, down to California	Sitch
Pinus jeffreyi	Jeffrey pine	Oregon-California, USA	Jeff
Pinus peuce	Macedonian/Balkan pine	Mountains of Balkan region	Peuc
Pinus sylvestris	Scots pine	Eurasia	Sylv