Trip Reports

2018 Pre-Conference Day Trips

By Website Editor | December 14, 2018

On Sunday, October 21, prior to the evening Opening Reception that kicked off the Conference, participants could choose one of three Day Trips to nearby destinations. Below are brief reports of these outings, kindly provided by members who participated in each one.

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2018 Post-Conference Tour #2: Central Coast

By Charles Snyers ... | December 11, 2018

The second leg of the Post-Conference Tour: from Santa Cruz to Los Angeles

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2018 Pre-Conference Tour #2: North Coast

By Mark Krautmann | December 10, 2018

Forty enthusiastic IOS members ventured from UC Davis through Sonoma wine country toward the north California coast. We visited sites of enormous habitat contrast that included many species of native oaks and the giant redwoods, unique in all the world.

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2018 Pre-Conference Tour #1: Sierra Nevada

By Dirk Giseburt | December 8, 2018

Forty-one participants from nine countries gathered at Davis, California on October 15 for a four-day trek across the Sierra Nevada and back. Stunning was the diversity of landscapes we saw.

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New Mexico 2017

By Charles Snyers ... | September 22, 2017

This article is an account of the oak field trip organized by Michael Meléndrez in New Mexico (and a bit of Arizona) in August 2017.

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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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Editor's Picks

Oaks in Oz: Australian Oak Open Days, May 8–13, 2025

Oak collections and much more in Canberra, New South Wales...

Website Editor | Aug 11, 2025

Nay! Its Née, not Neé

A controversial publication proposes to change the...

Roderick Cameron | Aug 05, 2025

Group photo with champion Quercus arkansana in Bokrijk Arboretum

Belgian Oak Open Days: May 29–June 1, 2025

A team of reporters share their take on the event.

Website Editor | Jun 22, 2025

Plant Focus

Quercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk GiseburtQuercus ×bimundorum ‘Crimschmidt’ growing in the Prairie Arboretum, Freeman, South Dakota, USA © Dirk Giseburt

Hybrid Highlight: Quercus ×bimundorum E.J. Palmer, the ‘Oak of Two Worlds’

A naturally occurring hybrid between Quercus robur and Q. alba.