It inspired his 2021 book “The Nature of Oaks” ($28, Timber Press, 197 pp.), a quiet but eye-opening look at the rich ecology of our most essential native trees.

The Army Corps of Engineers has expanded its tree marketing system in Altadena ... Besides the previously utilized blue dot, a yellow dot, yellow ribbon and a brown dot are added to the marking ...

Photo: Wikimedia Commons The Brabant village of Den Hout may boast the oldest oak tree in the country, with a history dating back to the Middle Ages. The tree could be as old as 800 years, forester ...