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Species Spotlight: Quercus canariensis Willd.

By Antonio Lambe | February 16, 2026
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
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

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

Quercus coccifera, 97 cm dbh and 15 m canopy spread
Cyprus, April-May 2026 – Vacation Impressions
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.
Epigenetics as a Potential Mechanism of Rapid Response to Climate Change in the Endangered Oak Quercus hinckleyi
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
The Threat to California’s Oaks Is Greater than Had Been Anticipated
New paper should significantly change our approach to...
Steve Potter | Jun 09, 2026

Plant Focus

Quercus orocantabrica
Species Spotlight: Quercus orocantabrica Rivas Mart., Penas, T.E.Díaz & Llamas
Roderick Cameron and Carlos Vila-Viçosa give an account of this intriguing species from northwestern Iberia with a complex taxonomic and...
Read more

threatened oaks

Species Spotlight: Quercus canariensis Willd.

By Antonio Lambe | February 16, 2026
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
Antonio Lambe shares his views on this threatened oak native to Iberia and North Africa

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

The John Fairey Garden

Standard Institutional Members

Bartlett Tree Experts logo
Catalina Island Conservancy logo
Forrest Keeling Nursery logo
Houston Botanic Garden logo
KOAGI logoRice University
 San Diego Botanic Garden logoSan Diego Zoo Wildlife Alliance logoSouth Carolina Botanical Garden
 

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