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Editor's Picks

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Plant Focus

Quercus afares, Kew, © James MacEwen
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.

IOS Webinar #13: Oak Conservation in the California Islands Archipelago, and Oaks of the Edwards Plateau

Event Date: 
Wednesday, 26 August 2026

The IOS is pleased to announce our next virtual event, again co-hosted with the Global Conservation Consortium for Oak (GCCO), which will take place over Zoom at 10 am US Central Time on August 26, 2026

In this webinar, we will first hear from John Knapp, Senior Conservation Scientist for the Catalina Island Conservancy. He will present on collaborative research across the California Islands Archipelago, spanning the US–Mexico border, to advance understanding of oak diversity. His talk, under the title "It takes not only a village to conserve oaks, but an archipelago" will examine oaks as ecological communities, their distribution and biogeography, patterns of hybridization, historical and contemporary impacts, emerging threats, and the suite of conservation initiatives currently underway.
 

Oaks on Channel Islands of California
A lone Island Oak (Quercus tomentella) hybrid on Santa Cruz Island overlooking Santa Rosa Island in the distance

© John Knapp

During the second part of the webinar, Michael Eason, Vice President of Conservation & Collections at the San Antonio Botanical Garden, will present an overview of the oak diversity of the Edwards Plateau Ecoregion of Texas. This presentation will explore the region's geology, ecology, and the native oak species that define this area of Texas.
 

A cutting of Q. brandegeei
Quercus laceyi (bottom left, a form with entire leaf margins) is one of the oaks native to the Edwards Plateau in central Texas. 

© Michael Eason

The event is open to all. Please register here.

Once registered, you will receive a confirmation email with the Zoom link and an invite you can add to your calendar. 

We look forward to seeing you there!

 

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