Quercus

Israel Oak Association Conference at Ramat Hanadiv

By Ezra Barnea | August 4, 2025

The IOA's 3rd Conference was held on July 3, 2025

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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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Species Spotlight: Quercus kotschyana O.Schwarz

By Jean Stephan | April 5, 2025

Quercus kotschyana fruit and leaves in Jaj cedars nature reserve

A rare oak endemic to Lebanon.

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Oaks Behaving Strangely

By Allen Coombes | January 14, 2025

Allen Coombes shares observations of unexpected phenology in oaks in the University of Puebla BG.

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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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Another Oak on a Stamp

By Roderick Cameron | December 13, 2024

Stamp with Ansel Adams' Oak Tree, Sunset City

An Ansel Adams photograph is featured on a postage stamp.

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IOS Tour of the Carolinas

By Brent Moon | December 13, 2024

A report on the Tour that took place in October

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IOS Tour of California, Part 1: Northern California

By Chris Reynolds | October 30, 2024

From Davis to Los Angeles

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IOS Tour of California, Part 2: Southern California

By John Leszczynski | October 30, 2024

From Los Angeles to the Otay Mountains

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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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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