Dendrology

European Tree of the Year 2015: A Stadium-bound Estonian Oak

By Roderick Cameron | March 9, 2015

Orisaree Oak at night - Photo: ©Kalmer Saar

An Estonian oak that stands in the middle of a sports stadium has won the European Tree of the Year contest.

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Quercus georgiana Conservation Genetics Project

By Murphy Westwood | March 9, 2015

Scientists from The Morton Arboretum and Chicago Botanic Garden are conducting a conservation genetics project to compare levels of genetic diversity between ex situ collections and individuals sampled from remaining wild populations of Quercus georgiana.

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The Gallipoli Oaks Project

By Roderick Cameron | March 8, 2015

Gallipoli oaks are being planted to commemorate First World War Centenary.

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Vegetative Propagation of Oaks in Iturraran

By Website Editor | March 8, 2015

Seeking alternatives for adding rare oaks to collections.

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Valonia Oak Restoration Project, Castlemaine, Victoria

By Roderick Cameron | December 3, 2014

A restoration project that will be of interest to IOS members is taking place in the Australian state of Victoria. A plantation of valonia oak (Quercus ithaburensis subsp. macrolepis) at Castlemaine, Victoria, dating to the late 19^th century, has suffered deterioration due to a decade of drought, and only three of the original 14 trees are still alive. Acorns are being collected from the surviving trees with a view to producing new trees to replant and restore the historic stand.

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Mating in Single Oaks

By Michael Avishai | August 22, 2014

Michael Avishai discusses observations regarding mating in isolated species in Israel. Originally published in Oak News & Notes Vol. 18, No. 1

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Oak Creek Canyon, Arizona

By Website Editor | March 31, 2014

Oak Creek Canyon is an extensive drainage basin on the southern edge of the Colorado Plateau in North Central Arizona. It is home to many different species of deciduous and evergreen oaks.

By Darin Jenke and Stephanie Bittner

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7th International Oak Society Conference - Bordeaux, France - Sep. 29 to Oct. 2, 2012

By Béatrice Chassé | October 27, 2012

In collaboration with INRA and the University of Bordeaux, the 7th International Oak Society Conference, attended by 90 participants from 17 countries, included 21 presentations, two field trips (INRA, Pierroton and the Tonnellerie Nadalié) and a gala dinner in the magnificent Château Carbonnieux.

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A New Oklahoma Station for Quercus sinuata var. breviloba

By Allan Taylor | December 14, 2010

A previously unreported station for Quercus sinuata var. breviloba has recently been identified in southwestern Custer County, Oklahoma.

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Oak root grafting and disease transmission across taxonomic section boundaries

By Guy Sternberg | December 6, 2009

In 2008 one red oak hybrid (Quercus rubra × ellipsoidalis) was diagnosed with oak wilt disease (Ceratocystis fagacearum) at Starhill Forest Arboretum in Illinois.

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Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread

Cyprus, April-May 2026 – Vacation Impressions

Images and insights from Ezra Barnea’s journey to Cyprus’s...

Ezra Barnea | Jun 13, 2026

Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.

Epigenetics as a Potential Mechanism of Rapid Response to Climate Change in the Endangered Oak Quercus hinckleyi

Endangered oak Quercus hinckleyi shows strong genetic...

Website Editor | Jun 09, 2026

The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak

The Threat to California’s Oaks Is Greater than Had Been Anticipated

New paper should significantly change our approach to...

Steve Potter | Jun 09, 2026

Plant Focus

Species Spotlight: Quercus orocantabrica Rivas Mart., Penas, T.E.Díaz & Llamas

Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...