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A proposal to conserve the name for Hungarian oak
Quercus frainetto
Posted Mon, 2023-02-13 16:11 in Roderick Cameron's blog
The Tree Conservation Biology lab at The Morton Arboretum contributed an article to the Kew Millennium Seed Bank Partnership newsletter, Samara.
img_7986.jpg
Posted Fri, 2023-02-10 21:38 in Sean Hoban's blog
IOS founding member and oak doyen Guy Sternberg was interviewed by Vanessa Ferguson for NPR Illinois.
tacoleaves-rr.jpg
Posted Thu, 2022-12-15 15:47 in Website Editor's blog
Many oaks have been planted as memorial trees near the Capitol
Quercus marilandica and the Capitol
Posted Wed, 2022-12-14 17:27 in Roderick Cameron's blog
An unusual shoot on a tree at the Puebla University Botanic Garden in Mexico.
Lobed leaf on Quercus rugosa
Posted Tue, 2022-10-18 11:05 in Allen Coombes's blog
Being a lover of nature and photography, I often saunter around in a narrow mountain ridge in Pretoria, South Africa, with the purpose of getting some exercise, enjoying nature and photography
unripe_acorns.jpeg
Posted Sun, 2022-10-16 10:49 in Tjeerd de Wit's blog
It turns out quite a number of countries have issued stamps featuring oaks...
stamp_collage.jpg
Posted Sat, 2022-06-11 19:17 in Roderick Cameron's blog
What to know about participating in the IOS Seed Exchange
Posted Sun, 2022-04-17 01:08 in Guy Sternberg's blog
At the 2012 IOS Conference at The Morton Arboretum, our first IOS silent auction was held.
ios_logo_square_for_website_25.jpg
Posted Sun, 2022-04-17 00:56 in Ryan Russell's blog
A Latvian oak enthusiast shares his composition that aims to express the idea of an oak tree.
Posted Fri, 2022-04-15 18:32 in Website Editor's blog
Filmmakers have not shown oaks in their portrayals of Birnam Wood.
maples_in_macbeth.jpg
Posted Fri, 2022-04-15 13:24 in Roderick Cameron's blog

Pages

Editor's Picks

Group photo at Harvard Herbarium
The Harvard University Herbaria hosted a novel Oak Taxonomy...
Jeannine Cavender-Bares | Apr 21, 2026
Morgan and friends in Argentina
Visits to three collections of Quercus in Buenos Aires...
Morgan Santini | Apr 05, 2026
Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica
On April 1st, the very day he turned 103, a great friend...
Francisco Garin Garcia | Apr 05, 2026

Plant Focus

Quercus orocantabrica
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

Blogs

A proposal to conserve the name for Hungarian oak
Quercus frainetto
Posted Mon, 2023-02-13 16:11 in Roderick Cameron's blog
The Tree Conservation Biology lab at The Morton Arboretum contributed an article to the Kew Millennium Seed Bank Partnership newsletter, Samara.
img_7986.jpg
Posted Fri, 2023-02-10 21:38 in Sean Hoban's blog
IOS founding member and oak doyen Guy Sternberg was interviewed by Vanessa Ferguson for NPR Illinois.
tacoleaves-rr.jpg
Posted Thu, 2022-12-15 15:47 in Website Editor's blog
Many oaks have been planted as memorial trees near the Capitol
Quercus marilandica and the Capitol
Posted Wed, 2022-12-14 17:27 in Roderick Cameron's blog
An unusual shoot on a tree at the Puebla University Botanic Garden in Mexico.
Lobed leaf on Quercus rugosa
Posted Tue, 2022-10-18 11:05 in Allen Coombes's blog
Being a lover of nature and photography, I often saunter around in a narrow mountain ridge in Pretoria, South Africa, with the purpose of getting some exercise, enjoying nature and photography
unripe_acorns.jpeg
Posted Sun, 2022-10-16 10:49 in Tjeerd de Wit's blog
It turns out quite a number of countries have issued stamps featuring oaks...
stamp_collage.jpg
Posted Sat, 2022-06-11 19:17 in Roderick Cameron's blog
What to know about participating in the IOS Seed Exchange
Posted Sun, 2022-04-17 01:08 in Guy Sternberg's blog
At the 2012 IOS Conference at The Morton Arboretum, our first IOS silent auction was held.
ios_logo_square_for_website_25.jpg
Posted Sun, 2022-04-17 00:56 in Ryan Russell's blog
A Latvian oak enthusiast shares his composition that aims to express the idea of an oak tree.
Posted Fri, 2022-04-15 18:32 in Website Editor's blog
Filmmakers have not shown oaks in their portrayals of Birnam Wood.
maples_in_macbeth.jpg
Posted Fri, 2022-04-15 13:24 in Roderick Cameron's blog

Pages

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

Supporting Institutional Members

 

Standard Institutional Members

Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden

 

The Huntington
The John Fairey Garden