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American Oaks Share a Common Northern Ancestor

North American oaks have a northern temperate origin and only later colonized Mexico and Central America, according to a new study. 
Photo: Quercus invaginata © Béatrice Chassé

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9th International Oak Society Conference 2018

The UC Davis Arboretum and Public Garden will host the next IOS Conference in October 2018.

The Call for Session Proposals is now open, and proposals for oral presentations, posters, lightning talks, and workshops will be accepted until December 1, 2017.

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New Mexico 2017 Tour

Charles Snyer's account of the oak field trip organized by Michael Meléndrez in New Mexico
(and a bit of Arizona) in August 2017. 

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Blowing Out 25 Candles at Starhill

The International Oak Society celebrated its 25th anniversary at Starhill Forest Arboretum.

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Red List of US Oaks Published by The Morton Arboretum

One-fourth of the United States’ oak species are now considered of conservation concern, according to the latest update of the IUCN Red List.
Photo: Quercus acerifolia, classified as Engangered. © Guy Sternberg

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Garry Oak in a Common Garden

An experimental plantation of Garry oak (Quercus garryana) at the University of British Columbia

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Creating an account on the IOS website is free of charge and will give you limited access. To access all of the features, you must be a member of the IOS. If you so wish, you will be given the opportunity to subscribe a membership after creating an account. An annual Standard Membership is $40. If you are already a member, you need only to create an account to have full access. After you have an account, you only need to log in the next time you visit.

 

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