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The story behind acorn snacks enjoyed on IOS Tours last year
Posted Fri, 2025-06-27 11:36 in Editorial Staff's blog
Many trees have been lost due to an intense storm on May 15
Catalpa destroyed by tornado
Posted Mon, 2025-05-26 19:46 in Guy Sternberg's blog
What you can find by searching for "International Oak Society" on YouTube
Still from Christof van Hulle video
Posted Tue, 2025-04-22 16:28 in Website Editor's blog
Back in September 2012, the UK’s BBC TV’s website reported on the recovery of a 5,000-year-old, 44ft (13.4m)
bog_oak_bowls.jpg
Posted Mon, 2025-02-17 19:47 in Chris West's blog
I would like to share with the IOS a project that should be of interest to members.
Growing Oaks logo
Posted Fri, 2025-02-14 15:30 in Angelina Wang's blog
Allen Coombes shares observations of unexpected phenology in oaks in the University of Puebla BG.
obs6.jpg
Posted Tue, 2025-01-14 12:05 in Allen Coombes's blog
Who was Quercus grahamii named in honor of?
q._grahamii_beatrice.jpg
Posted Tue, 2024-12-17 20:04 in Roderick Cameron's blog
A 16th century commentary on the medicinal property of oaks and acorns
Image from Enarrationes
Posted Mon, 2024-12-16 13:54 in Website Editor's blog
A project to raise funds to conserve oaks by recording the music they make.
Tana Silverland listening to an acorn
Posted Sat, 2024-12-14 15:19 in Tana Silverland's blog
An Ansel Adams photograph is featured on a postage stamp.
Stamp with Ansel Adams' Oak Tree, Sunset City
Posted Fri, 2024-12-13 15:59 in Roderick Cameron's blog
A beautiful and sonorous name has sunk into synonymy.
20240927_115114.jpg
Posted Thu, 2024-10-31 00:50 in Roderick Cameron's blog
Andrew Hipp talked to the legendary Joey Santore about genus Quercus.
Crime Pays But Botany Doesn't lgo
Posted Fri, 2024-08-23 18:41 in Website Editor's blog

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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

Blogs

The story behind acorn snacks enjoyed on IOS Tours last year
Posted Fri, 2025-06-27 11:36 in Editorial Staff's blog
Many trees have been lost due to an intense storm on May 15
Catalpa destroyed by tornado
Posted Mon, 2025-05-26 19:46 in Guy Sternberg's blog
What you can find by searching for "International Oak Society" on YouTube
Still from Christof van Hulle video
Posted Tue, 2025-04-22 16:28 in Website Editor's blog
Back in September 2012, the UK’s BBC TV’s website reported on the recovery of a 5,000-year-old, 44ft (13.4m)
bog_oak_bowls.jpg
Posted Mon, 2025-02-17 19:47 in Chris West's blog
I would like to share with the IOS a project that should be of interest to members.
Growing Oaks logo
Posted Fri, 2025-02-14 15:30 in Angelina Wang's blog
Allen Coombes shares observations of unexpected phenology in oaks in the University of Puebla BG.
obs6.jpg
Posted Tue, 2025-01-14 12:05 in Allen Coombes's blog
Who was Quercus grahamii named in honor of?
q._grahamii_beatrice.jpg
Posted Tue, 2024-12-17 20:04 in Roderick Cameron's blog
A 16th century commentary on the medicinal property of oaks and acorns
Image from Enarrationes
Posted Mon, 2024-12-16 13:54 in Website Editor's blog
A project to raise funds to conserve oaks by recording the music they make.
Tana Silverland listening to an acorn
Posted Sat, 2024-12-14 15:19 in Tana Silverland's blog
An Ansel Adams photograph is featured on a postage stamp.
Stamp with Ansel Adams' Oak Tree, Sunset City
Posted Fri, 2024-12-13 15:59 in Roderick Cameron's blog
A beautiful and sonorous name has sunk into synonymy.
20240927_115114.jpg
Posted Thu, 2024-10-31 00:50 in Roderick Cameron's blog
Andrew Hipp talked to the legendary Joey Santore about genus Quercus.
Crime Pays But Botany Doesn't lgo
Posted Fri, 2024-08-23 18:41 in Website Editor's blog

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