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Quercus mangdenensis H.T. Bing & Ngoc published in Phytokeys
Stories and portraits of Louisiana’s oldest live oak trees
An exhibition that beautifully depicts and locates oaks
A festival in Mexico raises awareness about a threatened oak
The hybrid of Q. alba and Q. bicolor
The Coleman and Susan Burke Oak Collection at The New York Botanical Garden features more than 150 oaks representing 44 taxa
A long-standing member of the IOS and former editor of Oak News & Notes
A sonnet written by the English Romantic poet in support of the Spanish people during the Peninsular War
A new study resolves many nomenclatural problems in the oaks of Portugal.
Christy Powell of the San Diego Zoo Wildlife Alliance works on the conservation of several threatened oaks
A rare oak endemic to the Sierra Juárez in Oaxaca
The fourth in a series of posts of poems featuring oaks.

Pages

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

Quercus mangdenensis H.T. Bing & Ngoc published in Phytokeys
Stories and portraits of Louisiana’s oldest live oak trees
An exhibition that beautifully depicts and locates oaks
A festival in Mexico raises awareness about a threatened oak
The hybrid of Q. alba and Q. bicolor
The Coleman and Susan Burke Oak Collection at The New York Botanical Garden features more than 150 oaks representing 44 taxa
A long-standing member of the IOS and former editor of Oak News & Notes
A sonnet written by the English Romantic poet in support of the Spanish people during the Peninsular War
A new study resolves many nomenclatural problems in the oaks of Portugal.
Christy Powell of the San Diego Zoo Wildlife Alliance works on the conservation of several threatened oaks
A rare oak endemic to the Sierra Juárez in Oaxaca
The fourth in a series of posts of poems featuring oaks.

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