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Chevithorne Barton in Devon is home to one of the two UK National Collection for the genus Quercus. It was built by IOS member Michael Heathcoat Amory.
Posted Sat, 2011-07-02 20:09 in Charles Snyers d'Attenhoven's blog
In the heart of the Mid-west grows a monster. McBaine, Missouri is home to the state champion Q. macrocarpa.
Posted Thu, 2010-05-27 05:00 in Ryan Russell's blog
Jurupa Hills oak may be California's oldest plant Researchers from UC Davis and UC Riverside say the 75-foot-wide Palmer's oak shrub has lived about 13,000 years despite inhospitabl
jurupa_oak_2.jpg
Posted Tue, 2010-01-05 13:07 in Béatrice Chassé's blog
If you participated in the International Oak Society's 6th Triennial Conference in Puebla, you probably have fond memories, interesting ideas and helpful suggestions to share with f
Posted Tue, 2009-11-03 10:55 in Béatrice Chassé's blog

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Quercus coccifera, 97 cm dbh and 15 m canopy spread
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Ezra Barnea | Jun 13, 2026
Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.
Endangered oak Quercus hinckleyi shows strong genetic...
Website Editor | Jun 09, 2026
The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak
New paper should significantly change our approach to...
Steve Potter | Jun 09, 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

Chevithorne Barton in Devon is home to one of the two UK National Collection for the genus Quercus. It was built by IOS member Michael Heathcoat Amory.
Posted Sat, 2011-07-02 20:09 in Charles Snyers d'Attenhoven's blog
In the heart of the Mid-west grows a monster. McBaine, Missouri is home to the state champion Q. macrocarpa.
Posted Thu, 2010-05-27 05:00 in Ryan Russell's blog
Jurupa Hills oak may be California's oldest plant Researchers from UC Davis and UC Riverside say the 75-foot-wide Palmer's oak shrub has lived about 13,000 years despite inhospitabl
jurupa_oak_2.jpg
Posted Tue, 2010-01-05 13:07 in Béatrice Chassé's blog
If you participated in the International Oak Society's 6th Triennial Conference in Puebla, you probably have fond memories, interesting ideas and helpful suggestions to share with f
Posted Tue, 2009-11-03 10:55 in Béatrice Chassé'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