If your pines are turning brown and dying, you are not alone. Pines throughout eastern Nebraska are under attack by two serious diseases: pine wilt and Diplodia blight.

Since its introduction in the 1930s, white pine blister rust has caused extensive crown dieback and mortality in the charismatic white pine trees across the Rocky Mountain Front ...

CONCORD — White pine trees in New Hampshire have been dropping needles, but that is to be expected after last year’s rainy late spring and summer, according to the N.H.

If the tree smells like mushrooms or you can see white fan-shaped mycelia — thin, flat sheets of fungal tissue — growing below the bark, the tree is infected with the Armillaria fungi.

A tree species that plays a critical role in the ecosystem of the greater Yellowstone area is dying off, and researchers are ...

Climate change, wildfires and a deadly fungus threaten this iconic tree The U.S. Fish and Wildlife Service announced that it is listing the whitebark pine as threatened under the Endangered ...

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 Montana. It's a keystone species in its subalpine and ...

About 100 seedlings of the whitebark pine tree were planted in Central Oregon early last month. The goal is to help increase their declining population.