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Editor's Picks

Group by Sequoiadendron giganteum
From Davis to Los Angeles
Chris Reynolds | Oct 30, 2024
Group photo at Otay Mountains
From Los Angeles to the Otay Mountains
John Leszczynski | Oct 30, 2024
Quercus boyntonii Conservation Plan
Partners at The Morton Arboretum, in collaboration with...
Website Editor | Oct 29, 2024

Plant Focus

Quercus dumosa acorn
Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.

Latest Articles

Cover of book of abstracts
Summaries of the presentations and posters shared during the Symposium in Knoxville, Tennessee
Protected Oaks of Serbia
An account of 50 of the 64 protected oaks in Serbia
A Quercus faginea known as "carvalho da Pedreira" on the riverbanks of Nabão, Pedreira, Centro, Portugal © Jorge A.Gonçalves, source: monumentaltrees.com
This new entry in our series on Oak Poetry was proposed by Hugo Ribeiro, IOS member from Portugal.

Latest Blog Posts

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A beautiful and sonorous name has sunk into synonymy
Crime Pays But Botany Doesn't lgo
Andrew Hipp talked to the legendary Joey Santore about genus Quercus.
New 5p coin - Image: The Royal Mint
The oak depicted on the new coin is a challenge to identify.
Figure from syngameon article
A new article investigates patterns of geographic overlap—sympatry—in North American oak species.
Ancient Oaks and Biodiveresity page 1
Aljos Farjon FLS reports on the biodiversity of High Park, a wild section of Blenheim Park in Oxfordshire, England.

Upcoming Events

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Nov 20, 2024
Tarin Toledo and Norma Corona of Instituto de Ecología in Xalapa, Mexico, and Barry Clarke, Botanist and Plant Records Officer at Sir Harold Hillier Gardens, UK, will present in this webinar.
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May 08, 2025 to May 13, 2025
This multiday event will include visits to oak collections in Victoria, New South Wales, and Canberra.
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May 15, 2025 to May 18, 2025
This four-day event will feature visits to legendary Hackfalls Arboretum and Eastwoodhill Arboretum, the National Arboretum of New Zealand, among others.
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Oct 05, 2025 to Oct 08, 2025
International Oak Society Conferences are unique opportunities to talk, learn, and laugh with oak enthusiasts that hail from vastly different horizons.