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Editor's Picks

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Sometimes when you least expect it, good things happen.
Gaurav Verma | Dec 13, 2020
Keiko Tokunaga's second book
Keiko Tokunaga's second book, “Illustrated Flora of...
Keiko Tokunaga | Dec 12, 2020
Jozef Oak
This renowned Quercus robur caught the eye of an artist and...
Roderick Cameron | Dec 12, 2020

Plant Focus

Quercus skinneri
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.

Dendrology

The Red List of Oaks

Red List of Oaks 2020

The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.

When Oak Leaves Fail to Fall

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Marcescent leaves persist on deciduous trees through winter.

Ascent of the Oaks

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An article published in Scientific American recounts how advances in genomics have allowed researchers to reconstruct the evolutionary history of oaks.

Fossils of Oak Ancestors Discovered in Argentina

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Researchers have unearthed a collection of chinquapin fruit and leaf fossils in Patagonia that suggests the Fagaceae family has evolutionary roots in the Southern Hemisphere.

Cultivated Oaks of the World

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A database that pools information on oak trees in collections around the world.

The Renature Monchique Project

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A project aims to recover and restore habitats in Serra de Monchique, Portugal.

A Global Conservation Consortium for Oak

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GCCO logoThe Global Conservation Consortium for Oak (GCCO) has launched! Developing the GCCO was a collaborative effort—and involvement from passionate IOS members was an integral component. Sharing your expertise, knowledge, and experience with oaks at the last Triennial Conference workshop at UC Davis was vital to successfully launching the GCCO. Thank you for your contributions. 

In Search of an Endangered Species: Quercus acerifolia

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Quercus acerifolia (maple-leaf oak) is an endangered species in the wild (IUCN Red List)and a highly sought-after species in cultivation.

Burr Oak Canyon Symposium 2019

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On October 17, 2019, 80 participants gathered in McCook, Nebraska for a two-day conference and field trip, titled “Growing Better Trees Across the Great Plains”.

A-Sharnu: Restoring Oaks to the Sharon Region

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Ofri Bar's graduate thesis, A-Sharnu, is a program to regenerate Mt. Tabor oaks (Quercus ithaburensis) in the Sharon region.

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