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Editor's Picks

Allan Taylor
A long-standing member of the IOS and fomer editor of Oak...
Panayoti Kelaidis | Dec 17, 2022
A new study resolves many nomenclatural problems in the...
Carlos Vila-Viçosa | Dec 09, 2022
The team at SDZWA
Christy Powell of the San Diego Zoo Wildlife Alliance works...
Amy Byrne | Dec 06, 2022

Plant Focus

Quercus macdougallii
A rare oak endemic to the Sierra Juárez in Oaxaca

Society News

In Memoriam: Allan Taylor (1931–2022)

Allan Taylor

A long-standing member of the IOS and fomer editor of Oak News & Notes

An Outstanding Silent Auction at Las Cruces


The 3rd IOS Silent Auction was another huge success

Caps and T-shirts for Sale!

Thank You to the Conference Committee!

2022 tOAKen

Shout out to the 12 IOS members who organized the Conference and Tours

Shaun Haddock receives an award for Eike Jablonski

Service awards recognize contributions to genus Quercus and to the IOS

The 10th IOS Conference in Las Cruces, New Mexico

Group photo

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

Jeff Stevens (1958–2021)

Jeff Stevens

Jeff Stevens, 63, of Apison, Tennessee, USA passed away September 26, 2021.

Bill Hess (1934–2021)

Bill Hess - Courtesy of The Morton Arboretum

William "Bill" J. Hess, 87, of Crossville, Tennessee, USA passed away on June 11, 2021.

Remembering Piers Trehane

Piers Trehane

Last March marked the 10 years since the death of Piers Trehane. It seemed a good opportunity to remember him and his contribution to the IOS.

In Memoriam: Riet van Hoey Smith (1923–2020)


In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.