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Quercus pubescens Willd. is a species with a wide native range, found across the European continent, from Portugal to Lebanon and from...
In collaboration with INRA and the University of Bordeaux, the 7th International Oak Society Conference, attended by 90 participants from...
A good summary of reference works on the genus Quercus initially published in Oak News & Notes, Volume 15, #1, winter 2011.
During this early autumn week of incomparable weather, twelve members of the IOS, and three others who were guests, enjoyed a truly...
For upwards of twenty years, Shaun Haddock has been planting oaks at the Arboretum de la Bergerette in southwest France, during which time...
A visit to two Belgian collections on a rainy September day, Arboretum Wespelaar and the National Botanical Garden of Belgium. 
An oak in cultivation as Quercus eugeniifolia has now been described as a new species,  Quercus delgadoana S. Valencia, Nixon & L. M....
The Arboretum des Grandes Bruyères is without doubt one of the most extraordinary private botanic gardens in France.
This trip report from Béatrice Chassé through Northern Mexico is reproduced from the IOS Journal.  The companion photo gallery contains...
A visit to the collections of Daniel Dumont, an Oak Open Day in Belgium.
A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma. 
Shaun Haddock invited the IOS membership on July 19, 2010 to an Oak Open Day at the Royal Botanic Gardens, Kew, near London. The aim was to...

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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.

All Articles

Quercus pubescens Willd. is a species with a wide native range, found across the European continent, from Portugal to Lebanon and from...
In collaboration with INRA and the University of Bordeaux, the 7th International Oak Society Conference, attended by 90 participants from...
A good summary of reference works on the genus Quercus initially published in Oak News & Notes, Volume 15, #1, winter 2011.
During this early autumn week of incomparable weather, twelve members of the IOS, and three others who were guests, enjoyed a truly...
For upwards of twenty years, Shaun Haddock has been planting oaks at the Arboretum de la Bergerette in southwest France, during which time...
A visit to two Belgian collections on a rainy September day, Arboretum Wespelaar and the National Botanical Garden of Belgium. 
An oak in cultivation as Quercus eugeniifolia has now been described as a new species,  Quercus delgadoana S. Valencia, Nixon & L. M....
The Arboretum des Grandes Bruyères is without doubt one of the most extraordinary private botanic gardens in France.
This trip report from Béatrice Chassé through Northern Mexico is reproduced from the IOS Journal.  The companion photo gallery contains...
A visit to the collections of Daniel Dumont, an Oak Open Day in Belgium.
A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma. 
Shaun Haddock invited the IOS membership on July 19, 2010 to an Oak Open Day at the Royal Botanic Gardens, Kew, near London. The aim was to...

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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