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Editor's Picks

Quercus sp. Ardnamurchan Peninsula
Is Q. robur invading Q. petraea populations or is it the...
Steve Potter | Apr 17, 2025
Acorn of Quercus carduchorum
A rare species from the Zagros forests in Iran
Website Editor | Apr 17, 2025
Compton Oak in 2023
The landmark oak was found as a naturally occurring hybrid
Ricklin Brown | Apr 05, 2025

Plant Focus

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Latest Articles

Jack Maze
The renowned Canadian botanist, whose work included oak hybrids, died on February 26, 2025
Network map of co-occurrence of causal factor categories identified in the selected papers
A team led by IOS member Marco Neves Marques has published an extensive literature review covering oak declines in Mediterranean-type climate regions
Quercus rugosa leaf underside
A poem by a reclusive British-Mexican poet

Latest Blog Posts

Still from Christof van Hulle video
What you can find by searching for "International Oak Society" on YouTube
bog_oak_bowls.jpg
Back in September 2012, the UK’s BBC TV’s website reported on the recovery of a 5,000-year-old, 44ft (13.4m) Fenla
Growing Oaks logo
I would like to share with the IOS a project that should be of interest to members.
q._grahamii_beatrice.jpg
Who was Quercus grahamii named in honor of?
Image from Enarrationes
A 16th century commentary on the medicinal property of oaks and aconrs

Upcoming Events

Thu, 2025-05-08 to Tue, 2025-05-13
This multiday event will include visits to oak collections in Victoria, New South Wales, and Canberra.
Thu, 2025-05-15 to Sun, 2025-05-18
This four-day event will feature visits to legendary Hackfalls Arboretum and Eastwoodhill Arboretum, the National Arboretum of New Zealand, among others.
Thu, 2025-05-29 to Sun, 2025-06-01
It's high time we took another look at the Belgian oak collections. This time the event will take place over the Ascension weekend, 29 May–1 June 2025, four days.
Sat, 2025-06-07 to Sun, 2025-06-08
The 2025 edition of the UK OODs will focus on the Fagaceae family and include visits to two collections in Cornwall.
Wed, 2025-06-25
Maribel Arenas Navarro and Sven Bronckaers will present in this webinar.<

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

Supporting Institutional Members

Standard Institutional Members