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Highlights of this tour included: University of California Botanical Garden at Berkeley, Long Ridge Open Space, Stanford oak woodland, and...
On Sunday, October 21, prior to the evening Opening Reception that kicked off the Conference, participants could choose one of three Day...
The second leg of the Post-Conference Tour: from Santa Cruz to Los Angeles
Forty enthusiastic IOS members ventured from UC Davis through Sonoma wine country toward the north California coast. We visited sites of...
Forty-one participants from nine countries gathered at Davis, California on October 15 for a four-day trek across the Sierra Nevada and...
Doug McCreary, long-time member of the IOS, died earlier this year.
Quercus acutissima Carruth. is a species whose natural distribution covers a vast territory in East and Southeast Asia, from central Nepal...
Bob Berry, renowned oak collector and longtime member of the IOS, died August 2, 2018 at the age of 102 in Gisborne, New Zealand. Bob...
The Action Oak partnership was launched at this year’s Chelsea Flower Show in London last May
Given its rugged beauty and hardiness, Quercus rugosa is recommended for gardens, parks, and arboreta in most regions. As it grows...
In October 2017, I visited Palomar Mountain State Park, San Diego County, California to collect acorns of the interior live oak, Quercus...
New research published in Nature Plants provides insights into why oaks are long lived. 

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Editor's Picks

Group photo at Harvard Herbarium
The Harvard University Herbaria hosted a novel Oak Taxonomy...
Jeannine Cavender-Bares | Apr 21, 2026
Morgan and friends in Argentina
Visits to three collections of Quercus in Buenos Aires...
Morgan Santini | Apr 05, 2026
Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica
On April 1st, the very day he turned 103, a great friend...
Francisco Garin Garcia | Apr 05, 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...

All Articles

Highlights of this tour included: University of California Botanical Garden at Berkeley, Long Ridge Open Space, Stanford oak woodland, and...
On Sunday, October 21, prior to the evening Opening Reception that kicked off the Conference, participants could choose one of three Day...
The second leg of the Post-Conference Tour: from Santa Cruz to Los Angeles
Forty enthusiastic IOS members ventured from UC Davis through Sonoma wine country toward the north California coast. We visited sites of...
Forty-one participants from nine countries gathered at Davis, California on October 15 for a four-day trek across the Sierra Nevada and...
Doug McCreary, long-time member of the IOS, died earlier this year.
Quercus acutissima Carruth. is a species whose natural distribution covers a vast territory in East and Southeast Asia, from central Nepal...
Bob Berry, renowned oak collector and longtime member of the IOS, died August 2, 2018 at the age of 102 in Gisborne, New Zealand. Bob...
The Action Oak partnership was launched at this year’s Chelsea Flower Show in London last May
Given its rugged beauty and hardiness, Quercus rugosa is recommended for gardens, parks, and arboreta in most regions. As it grows...
In October 2017, I visited Palomar Mountain State Park, San Diego County, California to collect acorns of the interior live oak, Quercus...
New research published in Nature Plants provides insights into why oaks are long lived. 

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