Trip Reports

Southern New Mexico Oak Open Days

By Ryan Russell | December 5, 2016

The New Mexico Oak Open Days were a six-day whirlwind tour of the state covering more than 1,400 miles. Led by IOS founding member Michael Meléndrez of Los Lunas, NM, attendees were wowed by a dozen species of oaks plus numerous non-oak species.

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Plant Collecting Collaborative Expedition to the Southeastern United States

By Matthew Lobdell | April 4, 2016

Following the 2015 IOS Conference, the Plant Collecting Collaborative traveled to the Southeastern United States on a seed collection expedition with a goal of collecting as many Quercus taxa as possible, particularly focusing on species of conservation concern.

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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

Michel Gandoger in an albumen silver print dated 18 March 1876, dedicated on the reverse to Roberto de Visiani - Image: PHAIDRA University of Padova Attribution-NonCommercial-ShareAlike 4.0 International

Gandoger the Memorious

While working on a list of synonyms of European White...

Roderick Cameron | Aug 24, 2026

Cover of Select Native Asian Oaks Gap Analysis

Conservation Gap Analysis of Select Native Asian Oaks

Report led by The Morton Arboretum will help prioritize oak...

Website Editor | Aug 06, 2026

Early Fruiting Quercus robur in Slovakia

Motivation I live in the village of Dolné Dubové...

Jozef Čapkovič | Jul 20, 2026

Plant Focus

Species Spotlight: Quercus afares Pomel

The only oak species endemic to Africa is rare in cultivation. It shouldn't be.