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Editor's Picks

Pages from Gert's book
It was a great pleasure for me to be able to write about my...
Gert Fortgens | Feb 15, 2024
Quercus marlipoensis acorns
A new study has analyzed the germination characteristics of...
Website Editor | Feb 15, 2024
Gall on Quercus grahamii
A new species of oak gall wasp has been named in honor of...
Website Editor | Feb 14, 2024

Plant Focus

For this Species Spotlight we train our follow spot on an oak that is quite a star of the quercine scene: Quercus hypoleucoides (stage name...

Triennial Conferences

2022 – New Mexico State University, Las Cruces, New Mexico, USA (Chair: Ryan Russell)


Session Recordings

IOS Las Cruces 2022


2018 – The University of California, Davis, California, USA (Chair: Emily Griswold)


Group photo Davis

2015 – The Morton Arboretum, Illinois, USA (Chair: Andrew Hipp) 


Group photo Lisle 2015

2012 – INRA and Université de Bordeaux I, Bordeaux, France (Chair: Thierry Lamant)



2009 – Benemérita Universidad Autónoma de Puebla, Puebla, Mexico (Chair: Maricela Rodriguez Acosta)


IOS Puebla 2006


2006 – Texas A&M University, Texas, USA (Chair: David Richardson)


IOS Dallas 2006


2003 – King Alfred College, Hampshire, England (Chair: Allen Coombes)


IOS UK 2003


2000 – The North Carolina Arboretum, North Carolina, USA (Chair: Ron Lance)


IOS Ashville 2000


1997 – The Huntington Botanical Garden, California, USA (Chair: Amy Larson)


IOS Huntington 1997


1994 – The Morton Arboretum, Illinois, USA (Chair: Guy Sternberg) 


IOS 1994 Lisle



Images © Guy Sternberg