At this time of year, we tend to think of trees with colorful leaves as native to colder climates than ours. But then Jenny Iyer from the Riverside-Corona Resource Conservation District (RCRCD.org) ...

Sandwiched between a lodgepole pine on the left and a foxtail pine on the right is the first Jeffrey pine tree UC Davis Professor Hugh Safford observed in Sept. 2024 on a hike along Mount Kaweah in ...

Western Joshua trees in California are increasingly threatened by changing climate conditions, including rising heat, increasing drought, more frequent wildfires, and by expanding renewable energy and ...

A professor's casual hike in the High Sierra turned into a new elevation record for California's highest tree, the Jeffrey pine, which wasn't formerly known to grow at extreme elevations. UC Davis ...