Oak trees are vital for wildlife in our area in many ways, but the Metroparks are currently removing all the dead ones to ...

The pinewood nematode (Bursaphelenchus xylophilus) is the most devastating parasite of pine forests across Eurasia. To combat ...

Research linking climate, conifer seed production, and siskin irruptions could provide an early warning system for dangerous ...

Once stretching across more than 90 million acres of the southeastern United States and much of eastern North Carolina, the longleaf pine is a living emblem of the region’s ecological ...

Tree removals often spark public outcry in Santa Barbara, but city officials say each decision follows years of environmental ...

Pine pollen behind a piece of window screen, photographed through a microscope, shows how small some pollens are, and how easily they can pass through barriers. Credit: Tom Ogren A few weeks ago, The ...

In 2002, Crater Lake National Park ecologist Michael Murray thought the park’s majestic whitebark pine trees were as good as ...

SHEBOYGAN, Wis. — Horticulturist Charlie Parks has spent nearly a decade caring for the plantlife at Bookworm Gardens in Sheboygan, but an invasive fungus is threatening the white pine trees he calls ...

Add Yahoo as a preferred source to see more of our stories on Google. When Sam Hitt first saw his favorite white pine in the Santa Fe National Forest about a decade ago, he stopped dead in his tracks.

The Lake Orion school board has approved the sale of the Pine Tree Center to Orion Township during their Dec. 16 meeting. Assistant Superintendent of Business and Finance Andrea Curtis said the 55,800 ...

Santa Barbara’s skyline is punctuated with the upper spires of handsome trees commonly called “Norfolk Island Pine”. Because of their star-shaped top whorl of branches, they have another common name, ...