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Editor's Picks

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Acute Oak Decline and the Decline Disease Spiral Model: the State of the Game in the UK
Steve Potter reviews decline diseases affecting oaks in the...
Steve Potter | Feb 12, 2025
Oak Origins by Andrew Hipp
Book Review: Oak Origins – From Acorns to Species and the Tree of Life
A review of Andrew Hipp's new book
Steve Potter | Feb 12, 2025
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Oaks Behaving Strangely
Allen Coombes shares observations of unexpected phenology...
Allen Coombes | Jan 14, 2025

Plant Focus

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Hybrid Highlight: Quercus ×ludoviciana Sarg.
Quercus ×ludoviciana is a naturally occurring oak hybrid from southeastern United States, which has flourished and attracted attention in...
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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.

2018 Post-Conference Tour #2: Central Coast

By Charles Snyers d'Attenhoven | December 11, 2018
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The second leg of the Post-Conference Tour: from Santa Cruz to Los Angeles

2018 Pre-Conference Tour #2: North Coast

By Mark & Jolly 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.  

2018 Pre-Conference Tour #1: Sierra Nevada

By Dirk Giseburt | December 8, 2018
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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.

New Mexico 2017

By Charles Snyers d'Attenhoven | September 22, 2017
Quercus grisea - Greenlee County, AZ

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. 

Southern New Mexico Oak Open Days

By Ryan Russell | December 5, 2016
Group photo under large Madrone

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.

Plant Collecting Collaborative Expedition to the Southeastern United States

By Matthew Lobdell | April 4, 2016
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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.

CCSV13: In Search of Vietnam’s Elusive Oaks

By Béatrice Chassé | March 31, 2014
Fan Si Pan

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

Northern Greece, Sep 26-Oct 2 2011

By Allan Taylor | February 12, 2012
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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.  

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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