Santa Clarita Valley oak trees are being invaded by the goldspotted oak borer; an insect named for its iridescent black shell with gold spots that burrows underneath the bark of oak trees.

Overall, the report indicates that 85% of the analyzed oak species are projected to see a decrease in the areas they are most commonly found under climate conditions predicted for the years 2061 ...

Increasing wildfires are also a continued threat to the species. Between 2007 and 2017, the Service identified 11 wildfires that burned in Bartram stonecrop sites in southern Arizona. Non-native ...