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From Davis to Los Angeles
From Los Angeles to the Otay Mountains
Partners at The Morton Arboretum, in collaboration with members of the Global Conservation Consortium for Oak (GCCO), recently published...
Publication now available online
Summaries of the presentations and posters shared during the Symposium in Knoxville, Tennessee
An account of 50 of the 64 protected oaks in Serbia
Oak Origins: From Acorns to Species and the Tree of Life will be published in December
This new entry in our series on Oak Poetry was proposed by Hugo Ribeiro, IOS member from Portugal.
Three-day event included visits to two parks in Berkshire and two gardens in West Sussex
Two proposals to conserve names of oaks were ratified at the International Botanical Congress held in Madrid in July
Several abstracts included research involving Quercus.
This five-day event included visits to four oak collections in southwestern France and one across the border in Spain. 

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Editor's Picks

Group photo at Mereweather Arboretum
Oak collections and much more in Canberra, New South Wales...
Website Editor | Aug 11, 2025
A controversial publication proposes to change the...
Roderick Cameron | Aug 05, 2025
Group photo with champion Quercus arkansana in Bokrijk Arboretum
A team of reporters share their take on the event.
Website Editor | Jun 22, 2025

Plant Focus

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt
A naturally occurring hybrid between Quercus robur and Q. alba.

All Articles

From Davis to Los Angeles
From Los Angeles to the Otay Mountains
Partners at The Morton Arboretum, in collaboration with members of the Global Conservation Consortium for Oak (GCCO), recently published...
Publication now available online
Summaries of the presentations and posters shared during the Symposium in Knoxville, Tennessee
An account of 50 of the 64 protected oaks in Serbia
Oak Origins: From Acorns to Species and the Tree of Life will be published in December
This new entry in our series on Oak Poetry was proposed by Hugo Ribeiro, IOS member from Portugal.
Three-day event included visits to two parks in Berkshire and two gardens in West Sussex
Two proposals to conserve names of oaks were ratified at the International Botanical Congress held in Madrid in July
Several abstracts included research involving Quercus.
This five-day event included visits to four oak collections in southwestern France and one across the border in Spain. 

Pages

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

Supporting Institutional Members

Standard Institutional Members

Rice University