Quercus

Hybrid Highlight: the Langtry Oak

By Thierry Lamant | April 13, 2022

A section Lobatae oak found in southern Texas may be a distinct, undescribed species.

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Aiken's Oaks Are Growing

By Robert McCartney | February 18, 2022

An update on the diversity of the oaks in Aiken, South Carolina.

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Mexican Oaks at Armstrong Arboretum

By Website Editor | December 8, 2021

Notable oaks from south of the border.

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A Brief Introduction to the Oak Collection of Seattle’s Washington Park Arboretum

By Dirk Giseburt | August 16, 2021

The oak collection includes over 80 taxa

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The Status of Quercus oblongata

By Allen Coombes a... | August 16, 2021

An attempt to settle the matter of this controversial name

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An Analysis of Oak Habitats in Arkansas Aims to Aid Conservation Efforts

By Website Editor | August 9, 2021

Dr. Suresh Subedi, Assistant Professor at Arkansas Tech University, presented an ongoing project that analyzes herbarium specimens of oaks collected in Arkansas, USA.

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An Updated Infrageneric Classification of the North American Oaks

By Andrew Hipp | June 16, 2021

IOS members Paul Manos (Duke University) and Andrew Hipp (The Morton Arboretum) have just published a subsectional classification of North American Red and White Oaks

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GCCO in the Americas

By Website Editor | June 15, 2021

First joint meeting of the Global Conservation Consortium for Oak (GCCO) in the Americas

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Israel Oaks Featured on Israeli TV

By Ezra Barnea | February 20, 2021

A video clip by filmmaker Alon Issashar focuses on oak trees in Israel

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Two Oaks in the Running for European Tree of the Year 2021

By Website Editor | February 12, 2021

Two historic oaks are in the finals of the 11th European Tree of the Year contest

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Editor's Picks

Taxonomists Huddle at Harvard

The Harvard University Herbaria hosted a novel Oak Taxonomy...

Jeannine Cavender-Bares | Apr 21, 2026

Argentine Oak Collections through Italian Eyes

Visits to three collections of Quercus in Buenos Aires...

Morgan Santini | Apr 05, 2026

Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica

In Memoriam: Michel Duhart (1923–2026)

On April 1st, the very day he turned 103, a great friend...

Francisco Garin Garcia | Apr 05, 2026

Plant Focus

Species Spotlight: Quercus orocantabrica Rivas Mart., Penas, T.E.Díaz & Llamas

Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...