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Intermountain Herbarium


The Intermountain Herbarium welcomes visitors. It is open from 8 am-5 pm each week day.  If research workers visiting the region cannot make it during these hours, they should contact the Herbarium staff.  We shall try to accommodate your needs.


Director: Diane Alston 435-797-2516.

Assistant Curator: Michael B. Piep 435-797-0061

Director Emeritus: Mary Barkworth

Intermountain Herbarium
Utah State University
5305 Old Main Hill
Logan, Utah 84322-5305

Associates of the Intermountain Herbarium

Leila Shultz
Patricia Holmgren
Noel Holmgren

Now Available: Manual of Grasses for North America and Grasses of the Intermountain Region.

NOW! Look for us on Facebook!


CITES permit # 10US008768/9

Other Local Events and Activities:

Cache Chapter - Utah Native Plant Society

To join the Utah Native Plant Society, go to the UNPS store. Make sure you specify Cache as the chapter you wish to join. Many members have lapsed memberships, please renew them!

Contact Michael Piep for more chapter information at 797-0061 or You can also find us on Facebook.

Bridgerland Mushroom Society Activities

Meetings and forays are announced and scheduled on the BMS Facebook page. For more information about their activities, or to join them, contact with the subject line "BMS Info".

Donate To Intermountain Herbarium