Quercus

2022 IOS Service Awards Presented at the 10th IOS Conference in Las Cruces

By Shaun Haddock | October 14, 2022

Shaun Haddock receives an award for Eike Jablonski

Service awards recognize contributions to genus Quercus and to the IOS

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The 10th IOS Conference in Las Cruces, New Mexico

By Zarah Wyly | October 12, 2022

The traditional triennial gathering took place in the shadows of the Organ Mountains.

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A Documentary Film about an Oak and Its Universe

By Website Editor | June 15, 2022

Laurent Charbonnier and Michel Seydoux spend a year with a magnificent oak tree to document its inhabitants.

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Oaks on Postage Stamps

By Roderick Cameron | June 11, 2022

It turns out quite a number of countries have issued stamps featuring oaks...

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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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Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread

Cyprus, April-May 2026 – Vacation Impressions

Images and insights from Ezra Barnea’s journey to Cyprus’s...

Ezra Barnea | Jun 13, 2026

Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.

Epigenetics as a Potential Mechanism of Rapid Response to Climate Change in the Endangered Oak Quercus hinckleyi

Endangered oak Quercus hinckleyi shows strong genetic...

Website Editor | Jun 09, 2026

The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak

The Threat to California’s Oaks Is Greater than Had Been Anticipated

New paper should significantly change our approach to...

Steve Potter | Jun 09, 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...