510 BCE: Rising from a mountain’s shallow soil, a bristlecone pine begins its life. This Rocky Mountain bristlecone pine is one of the oldest trees in the world, only outlived by its cousin the Great ...

Rocky Mountain Bristlecone Pine (Pinus aristata) Where: Living at high altitude on arid, windswept mountain slopes of Colorado, New Mexico and Arizona, as many as a dozen of these trees have been ...

Rocky Mountain bristlecone pine is a native conifer found in Colorado, New Mexico and Arizona from 7,000 feet to tree line in montane and subalpine life zones.

An exotic fungus spreading southward through Rocky Mountain forests is threatening Colorado’s oldest trees — the gnarled limber and bristlecone pines that can live longer than 2,000 years.

Great Basin Bristlecone Pines are found among the high mountain regions of California and Nevada, while the Rocky Mountain Bristlecone Pine grows in smaller groves in Colorado, New Mexico and Arizona.

A Rocky Mountain bristlecone pine tree in northern Colorado. This tree is approximately 1,100 years old. Credit... Betsy Goodrich/U.S.D.A. Forest Service. By Jim Robbins. Sept. 27, 2010; ...

Also called Rocky Mountain bristlecone pine and hickory pine, these evergreens are native to the high mountain regions of the West, which are pretty inhospitable locations. That means these guys ...

“There were other trees that were hosting the mountain pine beetle and a few of the bristlecone pines have been sufficiently cross infected and succumbed.” Around this time in 2017, he ...

Rocky Mountain bristlecone pine and limber pine are both five-needled trees that are adapted to growing in rocky and windy environments. At a distance, they look like cartoon Christmas trees, ...

The beetle is also called the Black Hills beetle or Rocky Mountain pine beetle and has the scientific name Dendroctonus ponderosae. This beetle will impact ponderosa, limber, and bristlecone pine ...

An exotic fungus spreading southward through Rocky Mountain forests is threatening Colorado's oldest trees - the gnarled limber and bristlecone pines that can live longer than 2,000 years.White pine ...