IOS Tours

IOS Tour of the Carolinas

By Brent Moon | December 13, 2024

A report on the Tour that took place in October

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IOS Tour of California, Part 1: Northern California

By Chris Reynolds | October 30, 2024

From Davis to Los Angeles

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IOS Tour of California, Part 2: Southern California

By John Leszczynski | October 30, 2024

From Los Angeles to the Otay Mountains

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IOS Tour of Oregon, September 2023

By Website Editor | October 19, 2023

An account of the Tour guided by Sean Hogan

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2022 Pre-Conference Tour: Western Texas

By Philip Crim | October 13, 2022

Group at salt flats near Guadalupe Mountains National Park

San Antonio to Las Cruces: oaks and more

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2022 Pre-Conference Tour: New Mexico

By Mark Coggeshall | October 12, 2022

Oaks and other attractions, from Albuquerque to Las Cruces.

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2022 Post-Conference Tour: Arizona

By Wally Wilkins | October 12, 2022

Four days with the oaks of Arizona

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Editor's Picks

Oaks in Scotland: An Unresolved Question?

Is Q. robur invading Q. petraea populations or is it the...

Steve Potter | Apr 17, 2025

Species Spotlight: Quercus carduchorum K.Koch

A rare species from the Zagros forests in Iran

Website Editor | Apr 17, 2025

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.