IOS Tours

Editor's Picks

IOS Tour of California, Part 1: Northern California

From Davis to Los Angeles

Chris Reynolds | Oct 30, 2024

IOS Tour of California, Part 2: Southern California

From Los Angeles to the Otay Mountains

John Leszczynski | Oct 30, 2024

Quercus boyntonii Conservation Action Plan

Partners at The Morton Arboretum, in collaboration with...

Website Editor | Oct 29, 2024

Plant Focus

Species Spotlight: Quercus dumosa Nutt.

Animals, plants, and fungi depend on this humble tree, but its future—and theirs—is all but certain.

IOS Tour of California

A Tour of one of the most oak-diverse U.S. states

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IOS Tour of Taiwan (CANCELED)

Due to the consequences of the April 3 earthquake, we have been obliged to cancel this event.

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IOS Tour of the Carolinas

A Tour of the oak delights in North and South Carolina

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IOS Tour of Oregon

This 7-day Tour will be led by renowned plantsman Sean Hogan of Cistus Nursery.

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Two sequential Post-Conference Tours to the San Francisco Bay Area and the Central Coast region are being offered to allow for a range of schedules and budgets. Join us for an exploration of urban and wild oak landscapes along California's scenic coast.

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Pre-Conference Tours

Two sequential Pre-Conference Tours to the Sierra Nevada and the Cascade-Siskiyou Mountain region are being offered to allow for a range of schedules and budgets. Join us as we explore the magnificent scenery and oak diversity in the mountains of Northern California.

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Tour of New Mexico and Arizona

Michael Meléndrez, long-time member of the IOS, will lead a ten-day filed trip in New Mexico from August 20 to 30, 2017.

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IOS Tour of Southern New Mexico

Staunch IOS member Mike Meléndrez is willing to share his encyclopaedic knowledge of the oaks of the U.S. Southwest with a double bill of tours, in 2016 and 2017. The first Tour will take place September 24-29, 2016.