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Editor's Picks

Quercus coccifera, 97 cm dbh and 15 m canopy spread
Images and insights from Ezra Barnea’s journey to Cyprus’s...
Ezra Barnea | Jun 13, 2026
Lainey Kirshberger and Ryan Silver, students at Oklahoma State University, participated in the fieldwork and will lead the genetic and epigenetic analysis under the supervision of Dr. Antonio R. Castilla.
Endangered oak Quercus hinckleyi shows strong genetic...
Website Editor | Jun 09, 2026
The current Red List status and modelled outlook for the eight Californian oak species, plus tanoak
New paper should significantly change our approach to...
Steve Potter | Jun 09, 2026

Plant Focus

Quercus orocantabrica
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...

A Global Conservation Consortium for Oak

GCCO logoThe Global Conservation Consortium for Oak (GCCO) has launched! Developing the GCCO was a collaborative effort—and involvement from passionate IOS members was an integral component. Sharing your expertise, knowledge, and experience with oaks at the last Triennial Conference workshop at UC Davis was vital to successfully launching the GCCO. Thank you for your contributions. 

Led by The Morton Arboretum, in partnership with Botanic Gardens Conservation International (BGCI), the GCCO aims to mobilize a network of institutions and experts to work collaboratively in order to develop and implement a comprehensive conservation strategy that prevents the extinction of the world’s oak species. It was formed to deliver integrated conservation of oak species through practical ex-situ (in cultivation) and in-situ (in the wild) conservation and to disseminate species recovery knowledge. There are various roles and tiers of membership for the Consortium: Consortium Lead (held by The Morton Arboretum), Consortium Steering Committee (CSC), Species Champions, Safe Sites, and Affiliates. Please see the “Ways to Participate” page fo the Global Conservation Consortia website to learn more about each tier of GCCO membership and to identify the level at which you would like to participate.

The Morton Arboretum will be hosting a GCCO kick-off meeting May 28–29th, 2020 at The Morton Arboretum in Lisle, Ill., USA. If you would like to be included on the mailing list, have any questions, or want to submit your RSVP, please email Amy Byrne (abyrne@mortonarb.org).

Prior to the GCCO kick-off meeting, we will be hosting an informational webinar on February 26th at 11 am CT (UTC -6:00 hours) to review the GCCO governance structure and long-term goals. This will be an opportunity for you to ask questions and learn more about the Consortium. We will try to record the webinar so those who can’t attend can view it later. If you would like to receive a calendar invite to join the webinar, please email Amy Byrne.