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Oak Red Listing Project

By Murphy Westwood | March 9, 2015
red_list.jpg

In collaboration with BGCI and the IUCN/SSC Global Tree Specialist Group, The Morton Arboretum has launched a project to complete threat assessments for all of the world’s oak species for the IUCN Red List. 

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.

Quercus georgiana Conservation Genetics Project

By Murphy Westwood | March 9, 2015
q_georgiana_stonemt-2013-4_sxguy_-_copy.jpg

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

By Roderick Cameron | March 8, 2015
gallipoli_oak_porject.jpg

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

Vegetative Propagation of Oaks in Iturraran

By Website Editor | March 8, 2015
quercus_delgadoana_-_copy.jpg

Seeking alternatives for adding rare oaks to collections.

Valonia Oak Restoration Project, Castlemaine, Victoria

By Roderick Cameron | December 3, 2014
vhd.jpg

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

By Michael Avishai | August 22, 2014
Michael Avishai with Q. pontica

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

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.

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. 

Pages

Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
"Oaks: the Backbone of Mexico" – New Documentary Film
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
In Search of Quercus miyagii: A Field Report from Okinawa
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal © Amit Zoran
Amit Zohran's "Oakollective"
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026) © Gerald Collett
Species Spotlight: Quercus canariensis Willd.
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
Read more

Dendrology

Oak Red Listing Project

By Murphy Westwood | March 9, 2015
red_list.jpg

In collaboration with BGCI and the IUCN/SSC Global Tree Specialist Group, The Morton Arboretum has launched a project to complete threat assessments for all of the world’s oak species for the IUCN Red List. 

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.

Quercus georgiana Conservation Genetics Project

By Murphy Westwood | March 9, 2015
q_georgiana_stonemt-2013-4_sxguy_-_copy.jpg

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

By Roderick Cameron | March 8, 2015
gallipoli_oak_porject.jpg

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

Vegetative Propagation of Oaks in Iturraran

By Website Editor | March 8, 2015
quercus_delgadoana_-_copy.jpg

Seeking alternatives for adding rare oaks to collections.

Valonia Oak Restoration Project, Castlemaine, Victoria

By Roderick Cameron | December 3, 2014
vhd.jpg

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

By Michael Avishai | August 22, 2014
Michael Avishai with Q. pontica

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

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.

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. 

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Denver BG Logo
The Morton Arboretum logo
San Antonio Botanical Garden logo

 

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden