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Species Spotlight: Quercus vulcanica Boiss. & Heldr. ex Kotschy

By Elif Deniz Ülker | October 23, 2025
Quercus vulcanica acorn and leaves
An oak endemic to Turkey

Species Spotlight: Quercus persica Jaub. & Spach

By Website Editor | February 10, 2025
Quercus persica acorns

Parisa Panahi and Mehdi Pourhashemi train the follow spot on a rare Iranian oak

OC&R Committee Announces Second Round of Grant Funding

By Amy Byrne | February 15, 2023
Quercus marlipoensis

Eight conservation projects supported by the OC&R Fund

Finding His Roots: Michael Eason's Journey in Conservation

By Amy Byrne | February 15, 2023
Michael Eason hiking in Anza-Borrego Desert State Park to observe Washingtonia filifera in situ

Currently at San Antonio Botanic Garden, Michael's work has focused on conservation

The Morton Arboretum Guides Ex-Situ Collections of Quercus acerifolia

By Sean Hoban | February 10, 2023
img_7986.jpg

The Tree Conservation Biology lab at The Morton Arboretum contributed an article to the Kew Millennium Seed Bank Partnership newsletter, Samara.

Editor's Picks

Yoko and John planting acorns
Yoko’s Oaks
"Japanese oaks" planted at Coventry Cathedral
Steve Potter | Dec 21, 2025
Group with Quercus macdougallii
Post-Conference Tour: Oaxaca
Six days exploring Oaxaca’s oak diversity, as reported by...
Wally Wilkins | Dec 10, 2025
One of the first planted circles on Hampton Common, London, in partnership with Orleans House Gallery 2025. © Studio Ackroyd & Harvey
Virtuous Circles: Oaks and the Art of Ackroyd & Harvey
Oaks planted in circles as a continuation of the artwork...
Steve Potter | Dec 10, 2025

Plant Focus

Champion Quercus castaneifolia in Iran
Species Spotlight: Quercus castaneifolia C.A.Mey
Chestnut-leaf oak in habitat and in cultivation
Read more

threatened oaks

Species Spotlight: Quercus vulcanica Boiss. & Heldr. ex Kotschy

By Elif Deniz Ülker | October 23, 2025
Quercus vulcanica acorn and leaves
An oak endemic to Turkey

Species Spotlight: Quercus persica Jaub. & Spach

By Website Editor | February 10, 2025
Quercus persica acorns

Parisa Panahi and Mehdi Pourhashemi train the follow spot on a rare Iranian oak

OC&R Committee Announces Second Round of Grant Funding

By Amy Byrne | February 15, 2023
Quercus marlipoensis

Eight conservation projects supported by the OC&R Fund

Finding His Roots: Michael Eason's Journey in Conservation

By Amy Byrne | February 15, 2023
Michael Eason hiking in Anza-Borrego Desert State Park to observe Washingtonia filifera in situ

Currently at San Antonio Botanic Garden, Michael's work has focused on conservation

The Morton Arboretum Guides Ex-Situ Collections of Quercus acerifolia

By Sean Hoban | February 10, 2023
img_7986.jpg

The Tree Conservation Biology lab at The Morton Arboretum contributed an article to the Kew Millennium Seed Bank Partnership newsletter, Samara.

The International Oak Society acknowledges the generous support of the following institutions:

Supporting Institutional Members

Denver BG Logo
The Morton Arboretum logo
San Antonio Botanical Garden logo
 

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
 
Rice University
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
The Huntington
The John Fairey Garden