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Editor's Picks

Past IOS President Allen Coombes, Curator of Scientific Collections at Puebla University Botanic Garden, discusses leaf variability in Quercus ceirpes (still image from the documentary)
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
A rare oak endemic to the Ryukyu Islands of Japan
Elion Jam | Feb 16, 2026
A moss-covered oak (Quercus orocantabrica) in Mata de Albergaria, Peneda-Gerês National Park, Portugal  © Amit Zoran
Steve Potter reviews a new book that features oaks
Steve Potter | Feb 11, 2026

Plant Focus

Quercus canariensis in Cornwall Park, Epsom, Auckland, New Zealand, the champion specimen in New Zealand, planted in the 1920s, 27.2 m tall with a trunk diameter of 209 cm (G. Collett pers. comm. 2026)  © Gerald Collett
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

IOS Service Awards

Since the 2000 International Oak Conference, Service Awards honor individuals (non-members as well as members of the Society) who have made long-term contributions to the genus Quercus and/or to the advancement of the goals of the IOS.

There are two categories of awards: 

  1. Lifetime Service Award: this award is given to individuals who over a lifetime have devoted efforts to the genus Quercus or contributed to the Society and the advancement of its goals. 
     
  2. Special Service Award: this award is given to individuals who have made significant contributions to our knowledge of oaks or to the advancement of the Society’s goals. 
     

Past recipients are listed below.

Special Service Award

  • 2022 Roderick Cameron (Uruguay), Jeannine Cavender-Bares (USA), Janet Cobb (USA), David Cranwell (New Zealand), Min Deng (China)
  • 2018 Andrew Hipp (USA), David Richardson (USA), Mike Meléndrez (USA), Charles Snyers d'Attenhoven (Belgium)
  • 2015 Allen Coombes (UK), Antoine Kremer (France), Dirk Benoit (Belgium), Marcie Mayer, Bob McCartney (USA)
  • 2012 Doug McCreary (USA)
  • 2009 Ron Lance, Matt Strong (USA), Thierry Lamant (France), Michel Timacheff, Antoine Le Hardÿ de Beaulieu (Belgium)
  • 2006 Richard Jensen (USA), Dan Keiser (USA), Christian Spinelli (Costa Rica)
  • 2003 Diana Gardener (USA), Ed Holm (USA), Rudy Light (USA)

Lifetime Service Award

  • 2022 Michael Avishai (posthumous, Israel), Jean-Louis Hélardot (France), Eike Jablonski (Luxembourg)
  • 2018 James Harris (United Kingdom)
  • 2015 Michel Duhart (France), Francisco Garin (Spain), Diana Gardener (USA)
  • 2012 Michael Heathcoat Amory (United Kingdom), William J. Hess (USA), Bob Berry (New Zealand), Dorothy Holley (United Kingdom), Allan Taylor (USA)
  • 2006 Nihat Gökyigit (Turkey), Hayrettin Karaca (Turkey)
  • 2003 Guy Sternberg (USA)
  • 2000 J.R.P. van Hoey Smith (Holland), Stelian Radu (Romania)