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At the Meeting of Members (MoM) during the 11th Triennial Conference in Oaxaca this past October, we welcomed fou
IOS logo
Posted Mon, 2026-02-23 19:35 in Website Editor's blog
Help sought for silvopasture research
Jacqui and Tom introducing their flock of Badger Face Torwen sheep to the delights of tree browse  © Amanda Jackson and Pembrokeshire Agroforestry
Posted Fri, 2026-02-13 20:51 in Jacqui Banks's blog
Over U$S 2,000 raised for student scholarships
Silent Auction in Oaxaca
Posted Fri, 2025-10-31 13:31 in Ryan Russell's blog
After receiving his Special Service Award from the IOS, Prof.
Prof. Chen with the Special Service Award
Posted Mon, 2025-10-27 10:56 in Website Editor's blog
Steve Potter recounts a frustrated yet rewarding hunt for the hybrid
Posted Wed, 2025-10-22 20:47 in Steve Potter's blog
Message from the IOS President included in Oak News & Notes (August 2025)
IOS logo
Posted Fri, 2025-08-22 14:57 in Website Editor's blog
Support the IOS by donating items for the Silent Auction
Silent auction at Las Cruces
Posted Fri, 2025-08-22 13:57 in Ryan Russell's blog
A highly entertaining podcast focusing on a rare Californian oak hybrid.
Quercus xmunzii
Posted Tue, 2025-08-05 11:45 in Website Editor's blog
Cows caught munching Quercus robur acorns
Cattle eating acorns
Posted Tue, 2025-08-05 11:00 in Website Editor's blog
It is not every day one would expect to find acorns stuck in the bark of a cork oak (Quercus suber).
Acorns Cached in Cork
Posted Mon, 2025-08-04 21:46 in John Nichols's blog
I am carrying out a long-term study of the ecology of Quercus robur, including insect herbivore impacts on girth increment.
Chart of acorn crops over time
Posted Mon, 2025-08-04 21:26 in Mick Crawley's blog
A campaign to conserve ancient oak woodland in the UK
Possibly the only famous fragment of temperate rainforest in Britain: Wistman’s Wood on Dartmoor, Devon © Alan Hunt - reproduced under Creative Commons Attribution Share-alike license 2.0
Posted Fri, 2025-06-27 19:01 in Steve Potter'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

At the Meeting of Members (MoM) during the 11th Triennial Conference in Oaxaca this past October, we welcomed fou
IOS logo
Posted Mon, 2026-02-23 19:35 in Website Editor's blog
Help sought for silvopasture research
Jacqui and Tom introducing their flock of Badger Face Torwen sheep to the delights of tree browse  © Amanda Jackson and Pembrokeshire Agroforestry
Posted Fri, 2026-02-13 20:51 in Jacqui Banks's blog
Over U$S 2,000 raised for student scholarships
Silent Auction in Oaxaca
Posted Fri, 2025-10-31 13:31 in Ryan Russell's blog
After receiving his Special Service Award from the IOS, Prof.
Prof. Chen with the Special Service Award
Posted Mon, 2025-10-27 10:56 in Website Editor's blog
Steve Potter recounts a frustrated yet rewarding hunt for the hybrid
Posted Wed, 2025-10-22 20:47 in Steve Potter's blog
Message from the IOS President included in Oak News & Notes (August 2025)
IOS logo
Posted Fri, 2025-08-22 14:57 in Website Editor's blog
Support the IOS by donating items for the Silent Auction
Silent auction at Las Cruces
Posted Fri, 2025-08-22 13:57 in Ryan Russell's blog
A highly entertaining podcast focusing on a rare Californian oak hybrid.
Quercus xmunzii
Posted Tue, 2025-08-05 11:45 in Website Editor's blog
Cows caught munching Quercus robur acorns
Cattle eating acorns
Posted Tue, 2025-08-05 11:00 in Website Editor's blog
It is not every day one would expect to find acorns stuck in the bark of a cork oak (Quercus suber).
Acorns Cached in Cork
Posted Mon, 2025-08-04 21:46 in John Nichols's blog
I am carrying out a long-term study of the ecology of Quercus robur, including insect herbivore impacts on girth increment.
Chart of acorn crops over time
Posted Mon, 2025-08-04 21:26 in Mick Crawley's blog
A campaign to conserve ancient oak woodland in the UK
Possibly the only famous fragment of temperate rainforest in Britain: Wistman’s Wood on Dartmoor, Devon © Alan Hunt - reproduced under Creative Commons Attribution Share-alike license 2.0
Posted Fri, 2025-06-27 19:01 in Steve Potter'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