Join the IOS today!
Since 1992 the International Oak Society has been bringing together oak enthusiasts from around the world. Born from a shared desire to exchange Quercus seed, the IOS has grown in many directions. Our mission: to further the study, sustainable management, preservation, appreciation and dissemination of knowledge about the genus Quercus and its ecosystems.
To join the IOS, you first need to subscribe to The Cupule, our free e-bulletin, by clicking on the button below. Then log in using the username and password you created and you will find instructions to join the IOS on the home page.
To read about membership rates and benefits, click on "Learn More" below.
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Importing acorns for ex-situ conservation
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Plant Focus
Latest Articles
Our third post of poems featuring oaks again has Quercus virginiana (southern live oak) as its theme, this time in a poem by Walt Whitman.
Laurent Charbonnier and Michel Seydoux spend a year with a magnificent oak tree to document its inhabitants.
Latest Blog Posts
At the 2012 IOS Conference held at The Morton Arboretum, our first IOS silent auction was held.
A Latvian oak enthusiast shares his composition that aims to express the idea of an oak tree.
Filmmakers have not shown oaks in their portrayals of Birnam Wood.
A catalog of Paco's photos and descriptions of Fagaceae at the Iturraran Botanical Garden
Using acorns to teach maths
Upcoming Events
Oct 31, 2022 to Nov 03, 2022
Sustaining Oak Woodlands Under Current and Future Conditions
