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IOS-member Teodoro Marañón has sent me links to a special issue of the Spanish journal "Ecosistemas" (Ecosystems) that he has co-edited.

A visit to Gredington

A visit to the collection of IOS members Sally and Lloyd Kenyon.

Arboretum de la Chabotte

Quercus robur ×​​​​​​​ dentata

A visit to the collections of Daniel Dumont, an Oak Open Day in Belgium.

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Editor's Picks

The story behind acorn snacks enjoyed on IOS Tours last year
Editorial Staff | Jun 27, 2025
Group photo at Guthrie-Smith Arboretum
Four days exploring oaks on the east coast of North Island
Website Editor | Jun 21, 2025
Catalpa destroyed by tornado
Many trees have been lost due to an intense storm on May 15
Guy Sternberg | May 26, 2025

Plant Focus

Acorn of Quercus carduchorum
A rare species from the Zagros forests in Iran

Quercus

IOS-member Teodoro Marañón has sent me links to a special issue of the Spanish journal "Ecosistemas" (Ecosystems) that he has co-edited.

A visit to Gredington

A visit to the collection of IOS members Sally and Lloyd Kenyon.

Arboretum de la Chabotte

Quercus robur ×​​​​​​​ dentata

A visit to the collections of Daniel Dumont, an Oak Open Day in Belgium.

Pages

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Supporting Institutional Members

Standard Institutional Members