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Editor's Picks

The story behind acorn snacks enjoyed on IOS Tours last year
Editorial Staff | Jun 27, 2025
Group photo at Guthrie-Smith Arboretum
Four days exploring oaks on the east coast of North Island
Website Editor | Jun 21, 2025
Catalpa destroyed by tornado
Many trees have been lost due to an intense storm on May 15
Guy Sternberg | May 26, 2025

Plant Focus

Acorn of Quercus carduchorum
A rare species from the Zagros forests in Iran

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
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