Log in

You are here

"Oaks: the Backbone of Mexico" – New Documentary Film

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

IOS Service Awards Presented at the 11th IOS Conference

Special Service Award plaque
Plaques presented during the Gala Dinner in Oaxaca

The 11th IOS Oak Conference in Oaxaca

Group photo at Oaxaca Conference
140 participants from 20 countries attended the Triennial Conference

New Board Candidates

Four headshots

Four IOS members have volunteered to serve on the Board of Directors during the 2025–2028 term. Together with seven Directors from the current Board who have chosen to remain on the Board for the next term, they will stand as candidates to be elected at the Meeting of Members to be held on October 6th during the 11th IOS Conference in Oaxaca, Mexico. You can learn more about the four new candidates by reading their statements below.

Andrew Hipp's New Book

Oak Origins

Oak Origins: From Acorns to Species and the Tree of Life will be published in December

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

Society News

"Oaks: the Backbone of Mexico" – New Documentary Film

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

IOS Service Awards Presented at the 11th IOS Conference

Special Service Award plaque
Plaques presented during the Gala Dinner in Oaxaca

The 11th IOS Oak Conference in Oaxaca

Group photo at Oaxaca Conference
140 participants from 20 countries attended the Triennial Conference

New Board Candidates

Four headshots

Four IOS members have volunteered to serve on the Board of Directors during the 2025–2028 term. Together with seven Directors from the current Board who have chosen to remain on the Board for the next term, they will stand as candidates to be elected at the Meeting of Members to be held on October 6th during the 11th IOS Conference in Oaxaca, Mexico. You can learn more about the four new candidates by reading their statements below.

Andrew Hipp's New Book

Oak Origins

Oak Origins: From Acorns to Species and the Tree of Life will be published in December

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