Diana Tomback studies whitebark pine across the West in places like the Custer-Gallatin National Forest outside Yellowstone. (E.R. Pansing) Dorena Genetic Resource Center near Cottage Grove, Ore., ...

The whitebark pine is a hardy tree that grows in an area stretching from British Columbia, Canada south to parts of California and east to... How to save a slow growing tree species Stretching from ...

SOUTH LAKE TAHOE, Calif. — The Sugar Pine Foundation is a small South Lake Tahoe-based nonprofit that has been dedicated to saving the sugar pines of the region by planting thousands of seedlings in ...

FILE - Seen are whitebark pine that have succumbed to mountain pine beetles through the Gros Ventre area east of Jackson Hole, Wyo., on Aug. 1, 2011. U.S. officials say climate change, beetles and a ...

Whitebark pine trees, which mainly grow in high-elevation alpine areas, are threatened by diseases and insects, according to the federal government. BILLINGS, Mont. — Whitebark pine trees can live ...