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Trees and Shrubs Online has announced the publication of its updated treatment of the cultivated oak species in Quercus Section Lobatae.
Quercus ellipsoidalis - Guy Sternberg
Posted Tue, 2026-05-12 17:44 in Website Editor's blog
At the Meeting of Members (MoM) during the 11th Triennial Conference in Oaxaca this past October, we welcomed fou
IOS logo
Posted Mon, 2026-02-23 19:35 in Website Editor's blog
After receiving his Special Service Award from the IOS, Prof.
Prof. Chen with the Special Service Award
Posted Mon, 2025-10-27 10:56 in Website Editor's blog
Message from the IOS President included in Oak News & Notes (August 2025)
IOS logo
Posted Fri, 2025-08-22 14:57 in Website Editor's blog
A highly entertaining podcast focusing on a rare Californian oak hybrid.
Quercus xmunzii
Posted Tue, 2025-08-05 11:45 in Website Editor's blog
Cows caught munching Quercus robur acorns
Cattle eating acorns
Posted Tue, 2025-08-05 11:00 in Website Editor's blog
What you can find by searching for "International Oak Society" on YouTube
Still from Christof van Hulle video
Posted Tue, 2025-04-22 16:28 in Website Editor's blog
A 16th century commentary on the medicinal property of oaks and acorns
Image from Enarrationes
Posted Mon, 2024-12-16 13:54 in Website Editor's blog
Andrew Hipp talked to the legendary Joey Santore about genus Quercus.
Crime Pays But Botany Doesn't lgo
Posted Fri, 2024-08-23 18:41 in Website Editor's blog
Aljos Farjon FLS reports on the biodiversity of High Park, a wild section of Blenheim Park in Oxfordshire, England.
Ancient Oaks and Biodiveresity page 1
Posted Fri, 2024-06-28 15:47 in Website Editor's blog
IOS member David Cranwell shared with us a bulletin about his work growing Quercus leucotrichophora in New Zealand.
Posted Tue, 2024-04-16 21:51 in Website Editor's blog
IOS member Christy Powell, Horticulture Manager at San Diego Zoo Wildlife Alliance, shared an inspiring news story.
Posted Mon, 2024-04-15 22:23 in Website Editor's blog

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...

Website Editor's blog

Trees and Shrubs Online has announced the publication of its updated treatment of the cultivated oak species in Quercus Section Lobatae.
Quercus ellipsoidalis - Guy Sternberg
Posted Tue, 2026-05-12 17:44 in Website Editor's blog
At the Meeting of Members (MoM) during the 11th Triennial Conference in Oaxaca this past October, we welcomed fou
IOS logo
Posted Mon, 2026-02-23 19:35 in Website Editor's blog
After receiving his Special Service Award from the IOS, Prof.
Prof. Chen with the Special Service Award
Posted Mon, 2025-10-27 10:56 in Website Editor's blog
Message from the IOS President included in Oak News & Notes (August 2025)
IOS logo
Posted Fri, 2025-08-22 14:57 in Website Editor's blog
A highly entertaining podcast focusing on a rare Californian oak hybrid.
Quercus xmunzii
Posted Tue, 2025-08-05 11:45 in Website Editor's blog
Cows caught munching Quercus robur acorns
Cattle eating acorns
Posted Tue, 2025-08-05 11:00 in Website Editor's blog
What you can find by searching for "International Oak Society" on YouTube
Still from Christof van Hulle video
Posted Tue, 2025-04-22 16:28 in Website Editor's blog
A 16th century commentary on the medicinal property of oaks and acorns
Image from Enarrationes
Posted Mon, 2024-12-16 13:54 in Website Editor's blog
Andrew Hipp talked to the legendary Joey Santore about genus Quercus.
Crime Pays But Botany Doesn't lgo
Posted Fri, 2024-08-23 18:41 in Website Editor's blog
Aljos Farjon FLS reports on the biodiversity of High Park, a wild section of Blenheim Park in Oxfordshire, England.
Ancient Oaks and Biodiveresity page 1
Posted Fri, 2024-06-28 15:47 in Website Editor's blog
IOS member David Cranwell shared with us a bulletin about his work growing Quercus leucotrichophora in New Zealand.
Posted Tue, 2024-04-16 21:51 in Website Editor's blog
IOS member Christy Powell, Horticulture Manager at San Diego Zoo Wildlife Alliance, shared an inspiring news story.
Posted Mon, 2024-04-15 22:23 in Website Editor'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