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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)
"Oaks: the Backbone of Mexico" – New Documentary Film
A new documentary by Maricela Rodríguez Acosta
Website Editor | Feb 17, 2026
Quercus miyagii acorn and dried leaves
In Search of Quercus miyagii: A Field Report from Okinawa
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
Amit Zohran's "Oakollective"
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
Species Spotlight: Quercus canariensis Willd.
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa
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Oak Open Days in Argentina

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Event Date: 
Friday, 22 April 2016 to Saturday, 23 April 2016

A two-day Oak Open Day (OOD) is planned for April 22-23, 2016 to visit Argentina’s two most notable oak arboreta: Grigadale, planted by the late IOS member Duncan Cameron and continually added to by his son Roderick; and well-known IOS member Peter Laharrague’s Estancia San Miguel, a large and comprehensive arboretum containing the largest oak collection in Argentina. Whilst designed to attract local participants, Roderick is hoping that some members may be able to travel from abroad: if you would like to attend please contact the organizers at roderick@internationaloaksociety.org as soon as possible so they can arrange additional attractions to make the trip even more worthwhile. 

A view of an oak plantation at San Miguel Arboretum, with Quercus agrifolia in the foreground. Photo: ©Roderick Cameron New growth on Quercus baloot in Grigadale Arboretum. The specimen, at over 4 m high, may be the largest in ex situ cultivation. Photo: ©Roderick Cameron

Shaun Haddock
Tour Director

Event Category: 
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