Trip Reports

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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Scouting for Quercus welshii

By Cindy Newlander | July 31, 2022

Quercus welshii on dunes site south of Kayenta, Ariz.

A threatened oak found in northern Arizona and southern Utah.

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2018 Post-Conference Tour #1: San Francisco Bay Area

By Roderick Cameron | December 16, 2018

Highlights of this tour included: University of California Botanical Garden at Berkeley, Long Ridge Open Space, Stanford oak woodland, and Apple Park.

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On Sunday, October 21, prior to the evening Opening Reception that kicked off the Conference, participants could choose one of three Day Trips to nearby destinations. Below are brief reports of these outings, kindly provided by members who participated in each one.

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2018 Post-Conference Tour #2: Central Coast

By Charles Snyers ... | December 11, 2018

The second leg of the Post-Conference Tour: from Santa Cruz to Los Angeles

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2018 Pre-Conference Tour #2: North Coast

By Anonymous (not verified) | December 10, 2018

Forty enthusiastic IOS members ventured from UC Davis through Sonoma wine country toward the north California coast. We visited sites of enormous habitat contrast that included many species of native oaks and the giant redwoods, unique in all the world.

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2018 Pre-Conference Tour #1: Sierra Nevada

By Dirk Giseburt | December 8, 2018

Forty-one participants from nine countries gathered at Davis, California on October 15 for a four-day trek across the Sierra Nevada and back. Stunning was the diversity of landscapes we saw.

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New Mexico 2017

By Charles Snyers ... | September 22, 2017

This article is an account of the oak field trip organized by Michael Meléndrez in New Mexico (and a bit of Arizona) in August 2017.

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Southern New Mexico Oak Open Days

By Ryan Russell | December 5, 2016

The New Mexico Oak Open Days were a six-day whirlwind tour of the state covering more than 1,400 miles. Led by IOS founding member Michael Meléndrez of Los Lunas, NM, attendees were wowed by a dozen species of oaks plus numerous non-oak species.

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Editor's Picks

Taxonomists Huddle at Harvard

The Harvard University Herbaria hosted a novel Oak Taxonomy...

Jeannine Cavender-Bares | Apr 21, 2026

Argentine Oak Collections through Italian Eyes

Visits to three collections of Quercus in Buenos Aires...

Morgan Santini | Apr 05, 2026

Michel Duhart and Paco Garin at Jardín Botánico Wilson, Costa Rica

In Memoriam: Michel Duhart (1923–2026)

On April 1st, the very day he turned 103, a great friend...

Francisco Garin Garcia | Apr 05, 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...