Log in

Editor's Picks

Group by Sequoiadendron giganteum
IOS Tour of California, Part 1: Northern California
From Davis to Los Angeles
Chris Reynolds | Oct 30, 2024
Group photo at Otay Mountains
IOS Tour of California, Part 2: Southern California
From Los Angeles to the Otay Mountains
John Leszczynski | Oct 30, 2024
Quercus boyntonii Conservation Plan
Quercus boyntonii Conservation Action Plan
Partners at The Morton Arboretum, in collaboration with...
Website Editor | Oct 29, 2024

Plant Focus

Quercus dumosa acorn
Species Spotlight: Quercus dumosa Nutt.
Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.
Read more

Society News

Andrew Hipp's New Book

By Website Editor | October 27, 2024
Oak Origins

Oak Origins: From Acorns to Species and the Tree of Life will be published in December

In Memoriam: Jolly Krautmann (1951–2024)

By Website Editor | July 24, 2024
Jolly Krautmann

Together with her husband Mark, Jolly helped establish and maintain the Oak Conservation and Research Fund, created by the IOS in 2019.

OC&R Appeal Almost Halfway to Our Goal!

By Tim Boland | April 15, 2024
Oak Leaf Fund Raising Thermometer

An update on the Oak Conservation and Research Fund appeal.

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

An Outstanding Silent Auction at Las Cruces

By Ryan Russell | October 20, 2022
img-6262_rotated.jpg

The 3rd IOS Silent Auction was another huge success

Caps and T-shirts for Sale!

By Website Editor | October 17, 2022
10th IOS Conference T-shirts

Order yours today!

Thank You to the Conference Committee!

By Website Editor | October 16, 2022
2022 tOAKen

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

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

Pages