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Shaun Haddock reviews Keiko Tokunaga's latest book.
Keiko Tokunaga's second book, “Illustrated Flora of Fagaceae Trees of the World”, was published in November 2020.
This renowned Quercus robur caught the eye of an artist and concealed refugees.
The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.
In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.
David "Dave" Varel of Albers, Illinois passed away September 6, 2020.
Marcescent leaves persist on deciduous trees through winter.
A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog
One of the world's leading oak collections is located in Basque Country, northern Spain.
An homage to the oak tree and the important role it plays today, in our landscape and in our lives
The Global Conservation Consortium for Oak (GCCO) sent out their first quarterly newsletter in late July.

Pages

Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread
Images and insights from Ezra Barnea’s journey to Cyprus’s...
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...

All Articles

Shaun Haddock reviews Keiko Tokunaga's latest book.
Keiko Tokunaga's second book, “Illustrated Flora of Fagaceae Trees of the World”, was published in November 2020.
This renowned Quercus robur caught the eye of an artist and concealed refugees.
The Red List of Oaks 2020 has been published, detailing the completed IUCN Red List threat assessments for oaks.
Quercus skinneri is a Central American oak, distinguished by the large size of its fruit.
In early November Trompenburg Arboretum announced the sad news that Riet van Hoey Smith had died on October 24th, aged 97.
David "Dave" Varel of Albers, Illinois passed away September 6, 2020.
Marcescent leaves persist on deciduous trees through winter.
A guest post by Matt Candeias, host of the In Defense of Plants podcast and blog
One of the world's leading oak collections is located in Basque Country, northern Spain.
An homage to the oak tree and the important role it plays today, in our landscape and in our lives
The Global Conservation Consortium for Oak (GCCO) sent out their first quarterly newsletter in late July.

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