Dendrology

Another Gift From Oaks

By Janet Backs | October 23, 2025

Oak barrels are used to age wine and spirits

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The World’s Tallest Cork Oak: a Cautionary Tale

By Steve Potter | October 22, 2025

In August of this year, traditionally a quiet month for news, the UK’s Sunday Times ran a story headed “Record-breaking tree grew from the pages of a 100-year-old-book”. It recounted how a M.

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Sad News from England

By Steve Potter | August 4, 2025

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

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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.

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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?

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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

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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.

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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).

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Conservation Gap Analysis of Native Mesoamerican Oaks

By Website Editor | October 29, 2024

Publication now available online

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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

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Editor's Picks

UK Oak Open Days 2025: Caerhays and Tregrehan

Visits to two gardens with collections of oaks and other...

Stephen Wood | Oct 27, 2025

IOS Service Awards Presented at the 11th IOS Conference

Plaques presented during the Gala Dinner in Oaxaca

Roderick Cameron | Oct 26, 2025

The 11th IOS Oak Conference in Oaxaca

140 participants from 20 countries attended the Triennial...

Nikola Šušić | Oct 25, 2025

Plant Focus

Species Spotlight: Quercus vulcanica Boiss. & Heldr. ex Kotschy

An oak endemic to Turkey