Oaks are foundational species in much of California, and many oak populations in the state may be in jeopardy due to a lack of recruitment of young trees. Despite considerable interest in this problem ...

We then apply this method to test for wind-related anisotropy in a population of Quercus lobata occurring in an oak-Savannah ecosystem of southern California. Finally, we perform a simulation study, ...

Have you ever taken a close-up look at an oak acorn? Usually we use the shape of the leaves to determine which oak we’re looking at. Sometimes it helps us to know whether the oak is evergreen or ...

There are 10 species of oak listed in John Thomas Howell’s “Marin Flora.” If you are trying to identify oaks, you have to be a keen observer. Does the tree lose its leaves in the fall (deciduous) or ...

Here in Northern California, we are blessed with many stoic and picturesque native oaks. Coastal Live Oak (Quercus agrifolia), Valley Oak (Quercus lobata), and Blue Oak (Quercus douglasii) are all ...

Several valley oaks (Quercus lobata) tower over my front yard. One is merely big. Two are immense, so big they may have been around before the Gold Rush. Their thick branches spread irregularly in a ...

Chinese Pistache (Pistacia chinensis). A favorite in California landscapes with a dense, rounded crown and beautiful orange and red fall foliage. Deciduous. Grows 30-50 feet. Coast Live Oak (Quercus ...