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IOS-member Teodoro Marañón has sent me links to a special issue of the Spanish journal "Ecosistemas" (Ecosystems) that he has co-edited.
Posted Fri, 2014-08-29 11:47 in Roderick Cameron's blog
Quercus on Ardnamurchan Peninsula, the most westerly point of mainland Britain.
Posted Fri, 2014-08-22 22:23 in Roderick Cameron's blog
IOS-member Harriet Tupper visited Plaček Quercetum in Czech Republic. 
Posted Thu, 2014-08-14 21:09 in Harriet Tupper's blog
A visit to Leigh Delamere House
Posted Sun, 2014-07-13 14:39 in Charles Snyers d'Attenhoven's blog
Oak Open Days at Congrove and Westonbirt
Posted Sat, 2014-07-12 06:50 in Charles Snyers d'Attenhoven's blog
A look at David and Carol Gooder's collection.
Posted Fri, 2014-07-11 17:17 in Charles Snyers d'Attenhoven's blog
Seedlings from the acorns collected during the 2012 Conference Tours.
Posted Fri, 2014-07-11 14:32 in Jeroen Braakman's blog
A visit to the collection of IOS members Sally and Lloyd Kenyon.
Posted Thu, 2014-07-10 15:53 in Charles Snyers d'Attenhoven's blog
The Mississippi Oak Open Days was a great experience represented by attendees from eight states.
Posted Fri, 2014-07-04 15:02 in Ryan Russell's blog
Maarten Windemuller has sent me some more photos of the Rumskulla Oak, including a couple from 1926 that give a good idea of the oak's decline in its latter years.They were published in the 19
Posted Wed, 2014-05-28 23:29 in Roderick Cameron's blog
A new map of New York's Central Park lists the location of 2,854 oaks.
Posted Sun, 2014-05-25 01:12 in Roderick Cameron's blog
Last Monday, I visited Roath Park in Cardiff, Wales with IOS member Tony Titchen and a small group of members of the International Dendrology Society (some of them also members of the IOS). 
Posted Sat, 2014-05-17 15:50 in Charles Snyers d'Attenhoven's blog

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Editor's Picks

Michel Gandoger in an albumen silver print dated 18 March 1876, dedicated on the reverse to Roberto de Visiani - Image: PHAIDRA University of Padova Attribution-NonCommercial-ShareAlike 4.0 International
While working on a list of synonyms of European White...
Roderick Cameron | Aug 24, 2026
Cover of Select Native Asian Oaks Gap Analysis
Report led by The Morton Arboretum will help prioritize oak...
Website Editor | Aug 06, 2026
A1's 2024 crop of acorns
Motivation I live in the village of Dolné Dubové...
Jozef Čapkovič | Jul 20, 2026

Plant Focus

Quercus afares, Kew, © James MacEwen
The only oak species endemic to Africa is rare in cultivation. It shouldn't be.

Blogs

IOS-member Teodoro Marañón has sent me links to a special issue of the Spanish journal "Ecosistemas" (Ecosystems) that he has co-edited.
Posted Fri, 2014-08-29 11:47 in Roderick Cameron's blog
Quercus on Ardnamurchan Peninsula, the most westerly point of mainland Britain.
Posted Fri, 2014-08-22 22:23 in Roderick Cameron's blog
IOS-member Harriet Tupper visited Plaček Quercetum in Czech Republic. 
Posted Thu, 2014-08-14 21:09 in Harriet Tupper's blog
A visit to Leigh Delamere House
Posted Sun, 2014-07-13 14:39 in Charles Snyers d'Attenhoven's blog
Oak Open Days at Congrove and Westonbirt
Posted Sat, 2014-07-12 06:50 in Charles Snyers d'Attenhoven's blog
A look at David and Carol Gooder's collection.
Posted Fri, 2014-07-11 17:17 in Charles Snyers d'Attenhoven's blog
Seedlings from the acorns collected during the 2012 Conference Tours.
Posted Fri, 2014-07-11 14:32 in Jeroen Braakman's blog
A visit to the collection of IOS members Sally and Lloyd Kenyon.
Posted Thu, 2014-07-10 15:53 in Charles Snyers d'Attenhoven's blog
The Mississippi Oak Open Days was a great experience represented by attendees from eight states.
Posted Fri, 2014-07-04 15:02 in Ryan Russell's blog
Maarten Windemuller has sent me some more photos of the Rumskulla Oak, including a couple from 1926 that give a good idea of the oak's decline in its latter years.They were published in the 19
Posted Wed, 2014-05-28 23:29 in Roderick Cameron's blog
A new map of New York's Central Park lists the location of 2,854 oaks.
Posted Sun, 2014-05-25 01:12 in Roderick Cameron's blog
Last Monday, I visited Roath Park in Cardiff, Wales with IOS member Tony Titchen and a small group of members of the International Dendrology Society (some of them also members of the IOS). 
Posted Sat, 2014-05-17 15:50 in Charles Snyers d'Attenhoven's blog

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

Supporting Institutional Members

The John Fairey Garden

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy
Forrest Keeling Nursery logo
Houston Botanic Garden logo
KOAGI logo
Oak Spring Foundation
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
South Carolina Botanical Garden
The Huntington