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James MacEwen reports on encouraging results propagating rare oaks from Mexico and Cuba.
do8a9932.jpg
Posted Tue, 2020-04-28 12:37 in James MacEwen's blog
Two papers report on research that use oak tree-rings to understand aspects of Ancient Rome.
journal.pone_.0224077.g003.jpg
Posted Sun, 2019-12-15 18:52 in Roderick Cameron's blog
During the month of October, I am posting daily tweets referring to readings related to Quercus.
collage.jpg
Posted Sat, 2019-10-12 19:49 in Andrew Hipp's blog
A stopover in Belize allowed me a day of driving through a natural reserve where I was able to spot about half of the 11 oaks reported to grow in Belize.
20190928_151154.jpg
Posted Sat, 2019-10-12 13:48 in Roderick Cameron's blog
The Mendota Dakota tribal community honored arborist Dan Keiser at their annual pow wow in September of 2019.
Posted Sat, 2019-10-12 02:09 in Dan Keiser's blog
In the early summer, when the constant battle against weeds had us nearly to the point of insanity, we decided to escape for a couple of days southwards over the Pyrenees via the Somport Pass...
chapter_house_detail_3.jpg
Posted Mon, 2019-10-07 23:50 in Shaun Haddock's blog
Everyone who knew Lloyd will be as shocked and saddened as I was to learn of his recent death after a short illness.
lloyd_kenyon.jpg
Posted Sat, 2019-08-24 11:29 in Shaun Haddock's blog
Guy Sternberg shares his photographs of the California Pre- and Post-Conference Tours.
california_ios_2018-auto-web_slide_1.jpg
Posted Sun, 2019-06-16 18:44 in Guy Sternberg's blog
A volunteer seedling in Massey University campus in New Zealand turns out to be a rare Mexican oak.
20190413_160831.jpg
Posted Sat, 2019-06-15 17:00 in Roderick Cameron's blog
An exchange of emails in April this year discussed the origin of the champion specimen of Quercus look in the US.
5._bartlett_look.jpg
Posted Wed, 2019-06-12 17:37 in Roderick Cameron's blog
Diana Gardener has again forwarded some interesting news items related to oaks and their connection to the manufacture of wines and spirits.
large-myers-1685-1.jpg
Posted Wed, 2019-04-17 10:57 in Website Editor's blog
In November 2018 I had a long layover in Bogotá and had enough time for a quick visit to Parque Natural Chicaque, about an hour’s drive from the airport.
02-p1100537.jpg
Posted Thu, 2019-04-04 13:18 in Roderick Cameron'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

James MacEwen reports on encouraging results propagating rare oaks from Mexico and Cuba.
do8a9932.jpg
Posted Tue, 2020-04-28 12:37 in James MacEwen's blog
Two papers report on research that use oak tree-rings to understand aspects of Ancient Rome.
journal.pone_.0224077.g003.jpg
Posted Sun, 2019-12-15 18:52 in Roderick Cameron's blog
During the month of October, I am posting daily tweets referring to readings related to Quercus.
collage.jpg
Posted Sat, 2019-10-12 19:49 in Andrew Hipp's blog
A stopover in Belize allowed me a day of driving through a natural reserve where I was able to spot about half of the 11 oaks reported to grow in Belize.
20190928_151154.jpg
Posted Sat, 2019-10-12 13:48 in Roderick Cameron's blog
The Mendota Dakota tribal community honored arborist Dan Keiser at their annual pow wow in September of 2019.
Posted Sat, 2019-10-12 02:09 in Dan Keiser's blog
In the early summer, when the constant battle against weeds had us nearly to the point of insanity, we decided to escape for a couple of days southwards over the Pyrenees via the Somport Pass...
chapter_house_detail_3.jpg
Posted Mon, 2019-10-07 23:50 in Shaun Haddock's blog
Everyone who knew Lloyd will be as shocked and saddened as I was to learn of his recent death after a short illness.
lloyd_kenyon.jpg
Posted Sat, 2019-08-24 11:29 in Shaun Haddock's blog
Guy Sternberg shares his photographs of the California Pre- and Post-Conference Tours.
california_ios_2018-auto-web_slide_1.jpg
Posted Sun, 2019-06-16 18:44 in Guy Sternberg's blog
A volunteer seedling in Massey University campus in New Zealand turns out to be a rare Mexican oak.
20190413_160831.jpg
Posted Sat, 2019-06-15 17:00 in Roderick Cameron's blog
An exchange of emails in April this year discussed the origin of the champion specimen of Quercus look in the US.
5._bartlett_look.jpg
Posted Wed, 2019-06-12 17:37 in Roderick Cameron's blog
Diana Gardener has again forwarded some interesting news items related to oaks and their connection to the manufacture of wines and spirits.
large-myers-1685-1.jpg
Posted Wed, 2019-04-17 10:57 in Website Editor's blog
In November 2018 I had a long layover in Bogotá and had enough time for a quick visit to Parque Natural Chicaque, about an hour’s drive from the airport.
02-p1100537.jpg
Posted Thu, 2019-04-04 13:18 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