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The iconic Quercus suber is in decline
Posted Thu, 2026-06-18 21:09 in Roderick Cameron's blog
Trees and Shrubs Online has announced the publication of its updated treatment of the cultivated oak species in Quercus Section Lobatae.
Quercus ellipsoidalis - Guy Sternberg
Posted Tue, 2026-05-12 17:44 in Website Editor's blog
Below are some brief summaries of research reports carried out in partnership with the UK Forestry Commission’s research arm, Forest Research.
Agrilus biguttatus, commonly known as the oak splendor beetle or the two-spotted borer
Posted Fri, 2026-04-17 20:48 in Steve Potter's blog
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

Pages

Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread
Images and insights from Ezra Barnea’s journey to Cyprus’s...
Ezra Barnea | Jun 13, 2026
Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.
Endangered oak Quercus hinckleyi shows strong genetic...
Website Editor | Jun 09, 2026
The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak
New paper should significantly change our approach to...
Steve Potter | Jun 09, 2026

Plant Focus

Quercus orocantabrica
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

Blogs

The iconic Quercus suber is in decline
Posted Thu, 2026-06-18 21:09 in Roderick Cameron's blog
Trees and Shrubs Online has announced the publication of its updated treatment of the cultivated oak species in Quercus Section Lobatae.
Quercus ellipsoidalis - Guy Sternberg
Posted Tue, 2026-05-12 17:44 in Website Editor's blog
Below are some brief summaries of research reports carried out in partnership with the UK Forestry Commission’s research arm, Forest Research.
Agrilus biguttatus, commonly known as the oak splendor beetle or the two-spotted borer
Posted Fri, 2026-04-17 20:48 in Steve Potter's blog
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

Pages

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

Supporting Institutional Members

 

Standard Institutional Members

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

 

The Huntington
The John Fairey Garden