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Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
"Oaks: the Backbone of Mexico" – New Documentary Film
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
In Search of Quercus miyagii: A Field Report from Okinawa
A rare oak endemic to the Ryukyu Islands of Japan
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A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal © Amit Zoran
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Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026) © Gerald Collett
Species Spotlight: Quercus canariensis Willd.
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
Read more

IOS Webinar #11: Introgression and genetic variation at the trailing edge of Quercus bicolor, and the Oaks of Korea

Event Date: 
Wednesday, 25 February 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 9 am US Central Time on February 25, 2026. 

In this webinar we will first hear from Jesse Parker, Research Specialist at the School of Natural Resources, University of Tennessee, who will present on his master's research investigating hybridization and population genetics in trailing range edge populations of swamp white oak (Quercus bicolor), recently published under the title "Evaluating the Central–Marginal Hypothesis: Introgression and Genetic Variation at the Trailing Edge of Quercus bicolor".
 

Quercus bicolor, Rutherford County, TN.
Quercus bicolor in Rutherford County, Tennessee, USA

During the second part of the webinar, Dr. Yong-Shik Kim, Professor Emeritus, Department of Landscape Architecture, Yeungnam University, Republic of Korea, will share an overview of oak species in Korea. Following the presentations there will be Q&A.

Quercus aliena, Jeongneung Royal Tomb, Seoul
Quercus aliena at Jeongneung Royal Tomb, Seoul

IOS members can register for the event here (please register with the email address linked to your IOS membership).

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

The event is limited to IOS members only (non-members can easily join the IOS in order to participate).

We look forward to seeing you there!

 

Event Category: 
IOS Webinars