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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 #2: Hipp on Hybrids and the Oaks at BUAP

Event Date: 
Wednesday, 15 November 2023

The IOS is pleased to announce our second virtual event, once more co-hosted with the Global Conservation Consortium for Oak (GCCO). This webinar event will take place over Zoom at 10 am US Central Time on November 15, 2023. In this event, Dr. Andrew Hipp of The Morton Arboretum will be presenting an overview of hybridization in oaks, followed by Maricela Rodríguez Acosta and Allen Coombes, who will present on the oak collection at the botanical garden of the Benémerita Universidad de Puebla (BUAP) in Mexico. Following the presentations there will be Q&A.

JB BUAP with volcanoes in the distance
A view of the botanical garden at the Benemérita Universidad Autónoma de Puebla with the volcanoes Popocatéptl (left) and Iztaccihuatl in the distance - image: BUAP

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. 

The event is limited to IOS members only (non-members can easily join the IOS in order to participate).

We look forward to you joining us!

Hybridization of Eastern North American oaks
Andrew Hipp presenting at the 9th IOS Conference at UC Davis, 2018 © Roderick Cameron
Event Category: 
IOS Webinars