Log in

You are here

Home

Species Spotlight: Quercus kotschyana O.Schwarz

By Jean Stephan | April 5, 2025
Quercus kotschyana fruit and leaves in Jaj cedars nature reserve
A rare oak endemic to Lebanon.

Oaks Behaving Strangely

By Allen Coombes | January 14, 2025
obs6.jpg

Allen Coombes shares observations of unexpected phenology in oaks in the University of Puebla BG.

IOS Tour of California, Part 1: Northern California

By Chris Reynolds | October 30, 2024
Group by Sequoiadendron giganteum

From Davis to Los Angeles

IOS Tour of California, Part 2: Southern California

By John Leszczynski | October 30, 2024
Group photo at Otay Mountains

From Los Angeles to the Otay Mountains

Conservation Gap Analysis of Native Mesoamerican Oaks

By Website Editor | October 29, 2024
Cover of Mesoamerican Oaks Gap Analysis

Publication now available online

Book Review: Protected Oaks of Serbia

By Stefan Stojanović | October 27, 2024
Protected Oaks of Serbia

An account of 50 of the 64 protected oaks in Serbia

Andrew Hipp's New Book

By Website Editor | October 27, 2024
Oak Origins

Oak Origins: From Acorns to Species and the Tree of Life will be published in December

Pages

Editor's Picks

Quercus sp. Ardnamurchan Peninsula
Oaks in Scotland: An Unresolved Question?
Is Q. robur invading Q. petraea populations or is it the...
Steve Potter | Apr 17, 2025
Acorn of Quercus carduchorum
Species Spotlight: Quercus carduchorum K.Koch
A rare species from the Zagros forests in Iran
Website Editor | Apr 17, 2025
Compton Oak in 2023
The Origin, Locations, and Date of Planting of Colonial Williamsburg’s Compton Oak
The landmark oak was found as a naturally occurring hybrid
Ricklin Brown | Apr 05, 2025

Plant Focus

Quercus kotschyana fruit and leaves in Jaj cedars nature reserve
Species Spotlight: Quercus kotschyana O.Schwarz
A rare oak endemic to Lebanon.
Read more

Quercus

Species Spotlight: Quercus kotschyana O.Schwarz

By Jean Stephan | April 5, 2025
Quercus kotschyana fruit and leaves in Jaj cedars nature reserve
A rare oak endemic to Lebanon.

Oaks Behaving Strangely

By Allen Coombes | January 14, 2025
obs6.jpg

Allen Coombes shares observations of unexpected phenology in oaks in the University of Puebla BG.

IOS Tour of California, Part 1: Northern California

By Chris Reynolds | October 30, 2024
Group by Sequoiadendron giganteum

From Davis to Los Angeles

IOS Tour of California, Part 2: Southern California

By John Leszczynski | October 30, 2024
Group photo at Otay Mountains

From Los Angeles to the Otay Mountains

Conservation Gap Analysis of Native Mesoamerican Oaks

By Website Editor | October 29, 2024
Cover of Mesoamerican Oaks Gap Analysis

Publication now available online

Book Review: Protected Oaks of Serbia

By Stefan Stojanović | October 27, 2024
Protected Oaks of Serbia

An account of 50 of the 64 protected oaks in Serbia

Andrew Hipp's New Book

By Website Editor | October 27, 2024
Oak Origins

Oak Origins: From Acorns to Species and the Tree of Life will be published in December

Pages

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
San Diego Botanic Garden logo
San Diego Zoo Wildlife Alliance logo
The Huntington
The John Fairey Garden