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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

The 8th International Oak Society Seed Exchange

8th IOS Seed Exchange at The Morton Arboretum

Once again the IOS Seed Exchange at The Morton Arboretum was a highlight of the Conference. Nick Stoynoff and his team did a fantastic job of setting up the tables with carefully sorted and labeled bags of seed, in a tent next to the Thornhill Education Center, while the Business Meeting was in session. The proximity of the location served to contain the stampede when our new President declared the meeting closed, nevertheless the scene was reminiscent of Black Friday sales and Beatlemania as members rushed in to snatch up the goodies. The variety of oak taxa represented was impressive (112—plus 32 other genera), and Nick kindly forwarded a list with details, so if any Seed Exchange participant has lost a label or has any questions concerning seed obtained there, write to website@internationaloaksociety.org and we'll share the information. With thanks to Warren Chatwin for the photos.

Photos: Warren Chatwin