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Two historic oaks are in the finals of the 11th European Tree of the Year contest
Murphy Westwood and Tim Boland presented on oak diversity and conservation.
A survey on specialization in oak species
Two podcasts about oak conservation
Disentangling the cultivar published as Quercus texana ‘New Madrid’
Shaun Haddock reviews Keiko Tokunaga's latest book.
Keiko Tokunaga's second book, “Illustrated Flora of Fagaceae Trees of the World”, was published in November 2020.
This renowned Quercus robur caught the eye of an artist and concealed refugees.
The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.
In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.
David "Dave" Varel of Albers, Illinois passed away September 6, 2020.

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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)
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal  © Amit Zoran
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
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

All Articles

Two historic oaks are in the finals of the 11th European Tree of the Year contest
Murphy Westwood and Tim Boland presented on oak diversity and conservation.
A survey on specialization in oak species
Two podcasts about oak conservation
Disentangling the cultivar published as Quercus texana ‘New Madrid’
Shaun Haddock reviews Keiko Tokunaga's latest book.
Keiko Tokunaga's second book, “Illustrated Flora of Fagaceae Trees of the World”, was published in November 2020.
This renowned Quercus robur caught the eye of an artist and concealed refugees.
The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.
In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.
David "Dave" Varel of Albers, Illinois passed away September 6, 2020.

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

 

Standard Institutional Members

Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden