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Editor's Picks

Karl Georg Theodor Kotschy was an Austrian botanist and...
Eike Jablonski | Jun 11, 2016
Quercus grisea - Greenlee County, AZ
This article is an account of the oak field trip organized...
Charles Snyers | Sep 22, 2017
North American oaks have a northern temperate origin and...
Website Editor | Oct 12, 2017

Plant Focus

Quercus acutissima subsp. kingii
Quercus acutissima Carruth. is a species whose natural distribution covers a vast territory in East and Southeast Asia, from central Nepal...

Trip Reports

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

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.

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

Castanopsis fissa, Ha Giang Province

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

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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