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UK Oak Open Days 2025: Caerhays and Tregrehan

Group photo at Tregrehan
Visits to two gardens with collections of oaks and other Fagaceae

IOS Tour of Oregon, September 2023

Tour Participants on Fiddler Peak

An account of the Tour guided by Sean Hogan

A work visit to Taiwan highlights the need to conserve vulnerable Fagaceae species.

A Fagaceae Species That Has Flummoxed Taxonomists

castnopsis_uraiana_inat2.jpeg

An encounter in Taiwan with a genus in Fagaceae I had never heard of.

A new species of Stone Oak from Thailand

A member of the International Oaks group on Facebook (moderated by IOS member Jeroen Braakman) posted a link to the following item. 

A new species of Lithocarpus, known commonly as Stone Oak, was discovered in the Ton Pariwat Wildlife Sanctuary in Thailand.

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One of the first planted circles on Hampton Common, London, in partnership  with Orleans House Gallery 2025.  © Studio Ackroyd & Harvey
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Plant Focus

Champion Quercus castaneifolia in Iran
Chestnut-leaf oak in habitat and in cultivation

Fagaceae

UK Oak Open Days 2025: Caerhays and Tregrehan

Group photo at Tregrehan
Visits to two gardens with collections of oaks and other Fagaceae

IOS Tour of Oregon, September 2023

Tour Participants on Fiddler Peak

An account of the Tour guided by Sean Hogan

A work visit to Taiwan highlights the need to conserve vulnerable Fagaceae species.

A Fagaceae Species That Has Flummoxed Taxonomists

castnopsis_uraiana_inat2.jpeg

An encounter in Taiwan with a genus in Fagaceae I had never heard of.

A new species of Stone Oak from Thailand

A member of the International Oaks group on Facebook (moderated by IOS member Jeroen Braakman) posted a link to the following item. 

A new species of Lithocarpus, known commonly as Stone Oak, was discovered in the Ton Pariwat Wildlife Sanctuary in Thailand.

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Standard Institutional Members

Rice University