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Hayrettin Karaca (1922–2020)

By Roderick Cameron | February 24, 2024
Hayrettin Karaca

Hayrettin Karaca, an IOS member and one of Turkey's best-known environmentalists, died January 20 at the age of 97.

OC&R Committee Announces Second Round of Grant Funding

By Amy Byrne | February 15, 2023
Quercus marlipoensis

Eight conservation projects supported by the OC&R Fund

In Memoriam: Allan Taylor (1931–2022)

By Panayoti Kelaidis | December 17, 2022
Allan Taylor

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

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

Jeff Stevens (1958–2021)

By Roderick Cameron | October 17, 2021
Jeff Stevens

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

Pages

Editor's Picks

Yoko and John planting acorns
Yoko’s Oaks
"Japanese oaks" planted at Coventry Cathedral
Steve Potter | Dec 21, 2025
Group with Quercus macdougallii
Post-Conference Tour: Oaxaca
Six days exploring Oaxaca’s oak diversity, as reported by...
Wally Wilkins | Dec 10, 2025
One of the first planted circles on Hampton Common, London, in partnership with Orleans House Gallery 2025. © Studio Ackroyd & Harvey
Virtuous Circles: Oaks and the Art of Ackroyd & Harvey
Oaks planted in circles as a continuation of the artwork...
Steve Potter | Dec 10, 2025

Plant Focus

Champion Quercus castaneifolia in Iran
Species Spotlight: Quercus castaneifolia C.A.Mey
Chestnut-leaf oak in habitat and in cultivation
Read more

Society News

Hayrettin Karaca (1922–2020)

By Roderick Cameron | February 24, 2024
Hayrettin Karaca

Hayrettin Karaca, an IOS member and one of Turkey's best-known environmentalists, died January 20 at the age of 97.

OC&R Committee Announces Second Round of Grant Funding

By Amy Byrne | February 15, 2023
Quercus marlipoensis

Eight conservation projects supported by the OC&R Fund

In Memoriam: Allan Taylor (1931–2022)

By Panayoti Kelaidis | December 17, 2022
Allan Taylor

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

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

Jeff Stevens (1958–2021)

By Roderick Cameron | October 17, 2021
Jeff Stevens

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

Pages

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Denver BG Logo
The Morton Arboretum logo
San Antonio Botanical Garden logo
 

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
 
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
The Huntington
The John Fairey Garden