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Editor's Picks

Karl Georg Theodor Kotschy was an Austrian botanist and...
Eike Jablonski | Jun 11, 2016
Quercus grisea - Greenlee County, AZ
This article is an account of the oak field trip organized...
Charles Snyers | Sep 22, 2017
North American oaks have a northern temperate origin and...
Website Editor | Oct 12, 2017

Plant Focus

For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...

Dendrology

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

Quercus georgiana Conservation Genetics Project

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

The Gallipoli Oaks Project

Centenary celebrations related to the First World War (1914-1918) will be taking place throughout the 2014-2018 period, but 2015 will likely see the most important celebration in Australia and New Zealand: the 100th anniversary of the Gallipoli Landings on the Gallipoli Peninsula in present day Turkey (then part of the Ottoman Empire), which marked the baptism of fire for the first contingent of troops from Australia and New Zealand.

Vegetative Propagation of Oaks in Iturraran

by Francisco Garín and José Almandoz
Jardín Botánico de Iturraran, Spain

Originally published in Oak News & Notes, Vol. 19, No. 1

The genus Quercus includes around 450 species distributed across the Temperate and Subtropical Zones of the Northern Hemisphere.  Many species are practically unobtainable in commercial nurseries, and for that reason it is very difficult to create new collections that include species other than the more ordinary ones.

Valonia Oak Restoration Project, Castlemaine, Victoria

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 19th 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.

Mating in Single Oaks

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

Oak Creek Canyon, Arizona

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 

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.

A New Oklahoma Station for Quercus sinuata var. breviloba

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

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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