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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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IOS Webinar #1: Cryopreservation at CREW and Oaks at Grigadale

Event Date: 
Tuesday, 29 August 2023

The IOS and Global Conservation Consortium for Oak (GCCO) will co-host our first virtual event. This webinar event will take place over Zoom at 10 am US Central Time on August 29, 2023. These virtual events will be held quarterly. For this first event, Dr. Valerie Pence of Cincinnati Zoo and Botanical Garden, The Lindner Center for Conservation and Research of Endangered Wildlife (CREW) will be presenting on the results of her IOS Oak Conservation and Research Fund project, titled: "Advancing the Ex-Situ Conservation of Oaks Using Cryopreservation". Also, for each webinar, we plan to feature an oak collection: for this first event, Roderick Cameron will present on the oak collection at Grigadale Arboretum in Argentina. Following the presentations there will be Q&A and we will open it up for a discussion to receive feedback on ideas for future webinar events.

Grigadale Arboretum
Aerial view of Grigadale Arboretum, March 2019 © Grigadale Arboretum

IOS members can register for the event here. Once registered, you will receive a confirmation email with the Zoom link and Amy Byrne (GCCO Coordinator) will send you a calendar invite. 

We look forward to you joining us!

Quercus hinckleyi shoots from which shoot tips (containing the me-ristem or cell plants of the plant) were taken to cryopreserve in liquid nitrogen; this is part of the work being carried out at CREW/Cincinnati Zoo & Botanical Garden, funded by a grant from the Oak Conservation & Research Fund © Valerie Pence
Quercus hinckleyi shoots from which shoot tips were taken to cryopreserve in liquid nitrogen at CREW/Cincinnati Zoo & Botanical Garden © Valerie Pence
Event Category: 
IOS Webinars