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Editor's Picks

Carlos collecting Quercus ×alentejana (Q. faginea × Q. pyrenaica) in northeastern Portugal for his PhD thesis © Carlos Vila-Viçosa
An interview with Portuguese oak conservationist Dr. Carlos...
Amy Byrne | Apr 19, 2024
suriname_uprooted-oak-emblem-of-wry.jpg
Roderick Cameron | Apr 13, 2024
Pages from Gert's book
It was a great pleasure for me to be able to write about my...
Gert Fortgens | Feb 15, 2024

Plant Focus

Quercus crassipes acorns with inrolled cupule margin
One of the more well-known Mexican oaks in cultivation.

Trip Reports

2018 Pre-Conference Tour #1: Sierra Nevada

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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

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

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.

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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

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

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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

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. 

Oak-hunting in Japan, October 2007

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

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