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

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...

Saving Engelmann Oak One Acorn at a Time

By Website Editor | April 15, 2024

IOS member Christy Powell, Horticulture Manager at San Diego Zoo Wildlife Alliance, shared an inspiring news story about retired science teacher Jim Crouch and his work conserving Quercus engelmannii by collecting, planting, and giving away oak seedlings. Click on the image below to view it: