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Editor's Picks

Phylogenetic tree
IOS members Paul Manos (Duke University) and Andrew Hipp (...
Andrew Hipp | Jun 16, 2021
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Despite damage, the Lyytikkylä Oak is still the thickest...
Juha Fagerholm | Jun 10, 2021
Quercus cerris champion tree in spring 2016. Photo from Šušić et al. (2016)
In Serbian tradition, in almost every village or hamlet...
Nikola Šušić | Jun 10, 2021

Plant Focus

The Compton oak at Colonial Williamsburg
A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)

Latest Articles

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First joint meeting of the Global Conservation Consortium for Oak (GCCO) in the Americas
Piers Trehane
Last March marked the 10 years since the death of Piers Trehane. It seemed a good opportunity to remember him and his contribution to the IOS.
Brook Hall
A Irish garden with a rich history intends to create an oak showcase

Latest Blog Posts

Queen Elizabeth Oak at Cowdray Park
Mat Disney and his team study oaks using a terrestrial laser scanner
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Stories about oaks in the Netherlands
Notre-Dame-de-Paris
"Ecocide" or eco-friendly?
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Until recently, the name had been considered unplaced
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A video clip by filmmaker Alon Issashar focuses on oak trees in Israel

Upcoming Events

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Sep 14, 2021 to Sep 16, 2021
Registration is now open for the ArbNet 10th Anniversary Virtual Conference: Partnering to Protect and Plant Trees. 
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Sep 29, 2021 to Oct 04, 2021
An IDS Tour will feature four iconic oak collections
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Jan 17, 2022 to Jan 21, 2022
POSTPONED UNTIL JANUARY 2022!
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Oct 24, 2022
POSTPONED UNTIL FALL 2022! Dates will be announced in due course.
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