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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

Another Successful Silent Auction at Davis

The Silent Auction held at the IOS Conference in Davis, CA was another great success. The total amount raised surpassed USD 2,600 and an additional USD 1,000 was received as a private donation to the fund. The proceeds from the auction held at The Morton Conference in 2015 were used to fund five scholarships to the Davis Conference. Thanks to the money raised from this auction, we will be able to offer more scholarships to Taiwan in 2021. We would like to thank everyone who bid and especially the following people for donating items to be auctioned:

Bill Spradley
Bonnie Jean Berckes
California Flora Nursery and Phil Van Soelen
Charles Snyers d'Attenhoven
Christine Battle
City Of Columbia, Missouri
Dan Keiser
Diana Gardner
Gert Fortgens
Guy Sternberg
Gary Handy of Handy Nursery, Oregon
Keiko Tokunaga
Kyle Spradley
Lisa Fowler
Mark and Jolly Krautmann
Michael Meléndrez
Min Deng
Nancy Leonard
Rachel Vail
Ryan, Tammie, and Ryder Russell
Julianne Skai Arbor (TreeGirl)
William Guion