The tree is primarily threatened by an introduced fungal pathogen known as white pine blister rust. It is increasingly threatened ... “These exceedingly beautiful trees are an icon of our western ...

Scientists discovered a hidden stand of whitebark pines on Wyoming's Beartooth Plateau, 180 meters above the tree line at 3,100 meters elevation.

The pine occurs at high elevations across seven western states, including Oregon ... the whitebark pine is rapidly dying from white-pine blister rust, an introduced disease. It’s also severely ...