Log in

You are here

Currently the GCCO Coordinator for Mexico and Latin America, Maricela leads a group of professionals and amateurs interested in oaks and...
Different names are being used for one species.
The story of Oregon white oak (Quercus garryana var. garryana) is a story of people who are connected with nature.
The latest issue of the journal TAXON includes a proposal to conserve the name Quercus pacifica Nixon & C.H.
Previous entries in this series of poems that mention oaks have tended to be complimentary of our favorite genus of trees.
The famous agricultural explorer was fascinated by the large acorns he found in Guatemala in 1944.
Five IOS members were invited to participate in an International Conservation Symposium in Taiwan.
New study seeks to understand impact of climate change on East Asian evergreen broadleaved forests.
The Global Conservation Consortia (GCC) has established a cryopreservation working group.
Continuing our series of posts of poems that feature oaks: a meditation on the passing of time measured by the lives of ancient oaks.
Eight conservation projects supported by the OC&R Fund
Currently at San Antonio Botanic Garden, Michael's work has focused on conservation

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

All Articles

Currently the GCCO Coordinator for Mexico and Latin America, Maricela leads a group of professionals and amateurs interested in oaks and...
Different names are being used for one species.
The story of Oregon white oak (Quercus garryana var. garryana) is a story of people who are connected with nature.
The latest issue of the journal TAXON includes a proposal to conserve the name Quercus pacifica Nixon & C.H.
Previous entries in this series of poems that mention oaks have tended to be complimentary of our favorite genus of trees.
The famous agricultural explorer was fascinated by the large acorns he found in Guatemala in 1944.
Five IOS members were invited to participate in an International Conservation Symposium in Taiwan.
New study seeks to understand impact of climate change on East Asian evergreen broadleaved forests.
The Global Conservation Consortia (GCC) has established a cryopreservation working group.
Continuing our series of posts of poems that feature oaks: a meditation on the passing of time measured by the lives of ancient oaks.
Eight conservation projects supported by the OC&R Fund
Currently at San Antonio Botanic Garden, Michael's work has focused on conservation

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