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The Anchorena Alcornoque revisited and a stand of century-old cork oaks in Montevideo, Uruguay.
Posted Thu, 2014-11-20 21:11 in Roderick Cameron's blog
Three photos from my scouting trips in preparation for the Post-Conference Tour in October 2015...
Posted Thu, 2014-11-20 11:52 in James Hitz's blog
Q. crassifolia Bonpl. puts on record growth in Arboretum des Pouyouleix
Posted Thu, 2014-11-20 11:23 in Béatrice Chassé's blog
A group of 13 people spent three wonderful days in the bootheel of the Italian peninsula, viewing specimens of several oak species...
Posted Thu, 2014-11-20 11:11 in Dirk Benoit's blog
The Oak Open Days at Trompenburg were a great success, with interesting lectures and garden walks among the Netherlands Plant Collection for Quercus in Rotterdam.
Posted Sun, 2014-10-12 20:41 in Jeroen Braakman's blog
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

Pages

Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal  © Amit Zoran
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026)  © Gerald Collett
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

Blogs

The Anchorena Alcornoque revisited and a stand of century-old cork oaks in Montevideo, Uruguay.
Posted Thu, 2014-11-20 21:11 in Roderick Cameron's blog
Three photos from my scouting trips in preparation for the Post-Conference Tour in October 2015...
Posted Thu, 2014-11-20 11:52 in James Hitz's blog
Q. crassifolia Bonpl. puts on record growth in Arboretum des Pouyouleix
Posted Thu, 2014-11-20 11:23 in Béatrice Chassé's blog
A group of 13 people spent three wonderful days in the bootheel of the Italian peninsula, viewing specimens of several oak species...
Posted Thu, 2014-11-20 11:11 in Dirk Benoit's blog
The Oak Open Days at Trompenburg were a great success, with interesting lectures and garden walks among the Netherlands Plant Collection for Quercus in Rotterdam.
Posted Sun, 2014-10-12 20:41 in Jeroen Braakman's blog
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

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