Trip Reports

CCSV13: In Search of Vietnam’s Elusive Oaks

By Béatrice Chassé | March 31, 2014

From October 24 to November 17, 2013, Olivier Colin, Charles Snyers, and Béatrice Chassé explored Northern Vietnam with the aim of finding its oaks.

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Northern Greece, Sep 26-Oct 2 2011

By Allan Taylor | February 12, 2012

During this early autumn week of incomparable weather, twelve members of the IOS, and three others who were guests, enjoyed a truly memorable time in northern Greece.

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9490 Kilometres Across Mexico, Sep.-Oct. 2010

By Béatrice Chassé | January 5, 2011

This trip report from Béatrice Chassé through Northern Mexico is reproduced from the IOS Journal. The companion photo gallery contains much more photographs than the paper version.

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Oak-hunting in Japan, October 2007

By Shaun Haddock | December 31, 2007

This article covers the 2007 IOS tour to Japan. It was initially published in the IOS Journal.

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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)

"Oaks: the Backbone of Mexico" – New Documentary Film

A new documentary by Maricela Rodríguez Acosta

Website Editor | Feb 17, 2026

In Search of Quercus miyagii: A Field Report from Okinawa

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

Amit Zohran's "Oakollective"

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

Species Spotlight: Quercus canariensis Willd.

Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa