Over a third of threatened or understudied oak tree species in Mesoamerica ... Union for Conservation of Nature (IUCN) Red List of Threatened Species assessed as either threatened or Data Deficient.

With Earth Day being celebrated April 22 every year and Arbor Day being commemorated the last Friday of April, now is a good ...

Oaks are keystone trees because they hold a forest ecosystem together by providing resources and habitats for diverse forms ...

Sonoma’s new list includes 32 trees chosen to withstand the city’s projected climate and boost the tree canopy as old trees ...

I have a large, mature water oak growing in my yard that has me concerned. There is a large cavity in the trunk. I’m not sure if I should fill this up with something like concrete. Also, I have ...

In 1872, a Nebraska newspaper editor and tree lover named J ... up your soil type and growing conditions with an appropriate oak species. “Some oaks like acidic soil,” he said.

The updated ordinance would add post oak and blackjack oak trees to the city’s protected tree species list. The plan would also include a total of 47 protected species, up from 26 tree species ...

During the spring months, the Pennsylvania Game Commission plans to spray over 38,000 acres of state game land to reduce the damage done by the spongy moth to protect wildlife habitat. Spraying will ...