Dendrology

Sad News from England

By Steve Potter | August 4, 2025

The Major Oak of Sherwood Forest in Nottinghamshire appears to be close to death.

Read more about Sad News from England

Uniting for Oaks: Mesoamerican Oak Research at the ATBC Meeting in Oaxaca, Mexico

By Tarin Toledo Aceves | July 26, 2025

Researchers and practitioners from Guatemala, Costa Rica, Colombia, Mexico, and the United States shared latest findings on Mesoamerican oaks in Oaxaca, Mexico.

Read more about Uniting for Oaks: Mesoamerican Oak Research at the ATBC Meeting in Oaxaca, Mexico

Oaks in Scotland: An Unresolved Question?

By Steve Potter | April 17, 2025

Is Q. robur invading Q. petraea populations or is it the other way around?

Read more about Oaks in Scotland: An Unresolved Question?

Oak Decline Observations in California and the Mediterranean Basin

By Steve Potter | April 17, 2025

Network map of co-occurrence of causal factor categories identified in the selected papers

A team led by IOS member Marco Neves Marques has published an extensive literature review covering oak declines in Mediterranean-type climate regions

Read more about Oak Decline Observations in California and the Mediterranean Basin

Quercus rubra Chosen Tree of the Year in Germany

By Website Editor | December 16, 2024

The Tree of the Year Association in Germany selected a non-native species.

Read more about Quercus rubra Chosen Tree of the Year in Germany

Quercus boyntonii Conservation Action Plan

By Website Editor | October 29, 2024

Partners at The Morton Arboretum, in collaboration with members of the Global Conservation Consortium for Oak (GCCO), recently published the Quercus boyntonii conservation action plan in July 2024 (you can access the final plan here).

Read more about Quercus boyntonii Conservation Action Plan

Conservation Gap Analysis of Native Mesoamerican Oaks

By Website Editor | October 29, 2024

Publication now available online

Read more about Conservation Gap Analysis of Native Mesoamerican Oaks

Abstracts from the International Oak Symposium

By Website Editor | October 28, 2024

Summaries of the presentations and posters shared during the Symposium in Knoxville, Tennessee

Read more about Abstracts from the International Oak Symposium

Oak-related Presentations and Posters at IBC 2024 in Madrid

By Website Editor | August 13, 2024

Several abstracts included research involving Quercus.

Read more about Oak-related Presentations and Posters at IBC 2024 in Madrid

(Even More) Northernmost Oaks!

By David Oliver | June 28, 2024

David Oliver and the northernmost oak (to date)

Oaks found close to the 70th parallel north

Read more about (Even More) Northernmost Oaks!

Editor's Picks

Oaks in Oz: Australian Oak Open Days, May 8–13, 2025

Oak collections and much more in Canberra, New South Wales...

Website Editor | Aug 11, 2025

Nay! Its Née, not Neé

A controversial publication proposes to change the...

Roderick Cameron | Aug 05, 2025

Group photo with champion Quercus arkansana in Bokrijk Arboretum

Belgian Oak Open Days: May 29–June 1, 2025

A team of reporters share their take on the event.

Website Editor | Jun 22, 2025

Plant Focus

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt

Hybrid Highlight: Quercus ×bimundorum E.J. Palmer, the ‘Oak of Two Worlds’