endangered oaks

The Threat to California’s Oaks Is Greater than Had Been Anticipated

By Steve Potter | June 9, 2026

The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak

New paper should significantly change our approach to assessing the risk to oaks from climate change

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Gene Flow in the Oak Syngameon and Its Impact on Conservation

By Andrew Hipp | August 13, 2024

A new article investigates patterns of geographic overlap—sympatry—in North American oak species.

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Species Spotlight: Quercus dumosa Nutt.

By Joseph Ree | August 8, 2024

Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.

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The Oak Collection at Santa Barbara Botanic Garden

By Christina Varnava | October 18, 2023

A collection specializing in native Californian oaks

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Back from the Brink: Quercus tardifolia

By Website Editor | August 11, 2022

A single specimen found!

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Editor's Picks

Data Request for Gap Analysis of Western Eurasian and North African Oaks

Website Editor | Oct 26, 2026

In Memoriam: Julianne Skai Arbor (1969–2026)

We were shocked to learn that Julianne Skai Arbor, also...

Website Editor | Oct 26, 2026

Oak Decline in Zagros Forests: A Review of History, Causes, Extent, and Management Strategies with Emphasis on Field Monitoring Results

Over the past two decades, the Zagros forests have been...

Mehdi Pourhashemi | Oct 10, 2026

Plant Focus

Species Spotlight: Quercus afares Pomel

The only oak species endemic to Africa is rare in cultivation. It shouldn't be.