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Editor's Picks

Phylogenetic tree
IOS members Paul Manos (Duke University) and Andrew Hipp (...
Andrew Hipp | Jun 16, 2021
lyytikkyla_oak_2021.jpg
Despite damage, the Lyytikkylä Oak is still the thickest...
Juha Fagerholm | Jun 10, 2021
Quercus cerris champion tree in spring 2016. Photo from Šušić et al. (2016)
In Serbian tradition, in almost every village or hamlet...
Nikola Šušić | Jun 10, 2021

Plant Focus

The Compton oak at Colonial Williamsburg
A natural hybrid between Quercus lyrata (overcup oak) and Q. virginiana (Southern live oak)

Triennial Conferences

  • 2018 – The University of California, Davis, California, USA (Chair: Emily Griswold)
  • 2015 – The Morton Arboretum, Illinois, USA (Chair: Andrew Hipp) 
  • 2012 – INRA and Université de Bordeaux I, Bordeaux: France (Chair: Thierry Lamant)
  • 2009 – Benemérita Universidad Autónoma de Puebla, Puebla, Mexico (Chair: Maricela Rodriguez Acosta)
  • 2006 – Texas A&M University, Texas, USA (Chair: David Richardson)
  • 2003 – King Alfred College, Hampshire, England (Chair: Allen Coombes)
  • 2000 – The North Carolina Arboretum, North Carolina, USA (Chair: Ron Lance)
  • 1997 – The Huntington Botanical Garden, California, USA (Chair: Amy Larson)
  • 1994 – The Morton Arboretum, Illinois, USA (Chair: Guy Sternberg)