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While working on a list of synonyms of European White Oaks, I came across the work of the remarkable Michel Gandoger.
Michel Gandoger
Posted Mon, 2026-08-24 14:58 in Roderick Cameron's blog
News on 2026 events and plans for 2027
Posted Fri, 2026-08-21 14:01 in Website Editor's blog
This past May, the IOS Board of Directors met for our regular spring meeting. The following information is a snapshot of what was discussed and what was voted on. 
IOS logo
Posted Tue, 2026-08-18 18:59 in Ryan Russell's blog
Motivation I live in the village of Dolné Dubové, Slovakia, whose historic name is directly derived from the Slovak word for oak (dub = oak).
A1's 2024 crop of acorns
Posted Mon, 2026-07-20 10:04 in Jozef Čapkovič's blog
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

Pages

Editor's Picks

Michel Gandoger
While working on a list of synonyms of European White...
Roderick Cameron | Aug 24, 2026
Cover of Select Native Asian Oaks Gap Analysis
Report led by The Morton Arboretum will help prioritize oak...
Website Editor | Aug 06, 2026
A1's 2024 crop of acorns
Motivation I live in the village of Dolné Dubové...
Jozef Čapkovič | Jul 20, 2026

Plant Focus

Quercus afares, Kew, © James MacEwen
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.

Blogs

While working on a list of synonyms of European White Oaks, I came across the work of the remarkable Michel Gandoger.
Michel Gandoger
Posted Mon, 2026-08-24 14:58 in Roderick Cameron's blog
News on 2026 events and plans for 2027
Posted Fri, 2026-08-21 14:01 in Website Editor's blog
This past May, the IOS Board of Directors met for our regular spring meeting. The following information is a snapshot of what was discussed and what was voted on. 
IOS logo
Posted Tue, 2026-08-18 18:59 in Ryan Russell's blog
Motivation I live in the village of Dolné Dubové, Slovakia, whose historic name is directly derived from the Slovak word for oak (dub = oak).
A1's 2024 crop of acorns
Posted Mon, 2026-07-20 10:04 in Jozef Čapkovič's blog
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

Pages

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

Supporting Institutional Members

The John Fairey Garden

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
KOAGI logo
Oak Spring Foundation
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden
The Huntington