Sam Mitchel Herbarium of Fungi Dedication


Sam Mitchel Herbarium Logo

It is with utmost pleasure that I report that the official dedication of the Sam Mitchel Herbarium of Fungi was a smashing success. Click Here for a video of the event.  Approximately 45 colleagues, friends, and admirers of the late Dr. Mitchel met for a formal luncheon today with presentations by Vera Evenson, Curator of the Herbarium; Dr. Barry Rumack, Colleague who worked with Sam on mushroom poisoning research; Dr. Hope Miller, mycologist; and Rosa Lee Brace, long time friend, patient and colleague of Sam's.

A video was shown featuring highlights of Dr. Mitchel's connection to the Gardens- Click Here to view that video. More information about our Mycological collection can be found on our Web site.

Denver Botanic Gardens is proud to introduce the Sam Mitchel Herbarium of Fungi. To honor his memory, an endowment was established to support the scientific application of the collection.  The primary goal for the Herbarium of Fungi is to continue to realize Sam Mitchel’s vision of a premier Rocky Mountain fungal collection that serves the public and scientific communities by continually expanding and improving collections, contributing to education programs, serving the Rocky Mountain Poison Control Center, and other activities.


Dr. Duane H. "Sam" Mitchel (1917-1993) was a medical doctor by training. He turned a love of wild fungi into a second profession in 1965 when he established a collection of preserved fungi at Denver Botanic Gardens. He donated his time, equipment and supplies to create the foundation of our mycological lab; the first with proper documentation of collections for this region. Dr. Mitchel’s initial collection of almost 4,000 specimens was the foundation for our now world-class collection of over 24,000 specimens, including several type specimens (the original voucher for a newly discovered species). The fungal herbarium at Denver Botanic Gardens is now the largest and best curated collection of Rocky Mountain fungi in existence.

At the Gardens


Ellen Hertzman
I continue to be fascinated by the history of our Denver Botanic Gardens. So many people volunteered (and continue to volunteer) their time and impressive talents to create a well-respected and valuable asset for our region. I really enjoyed hearing the presentations at this event, and only wish I could have known this remarkable man who played such a key role in what Denver Botanic Gardens is today.

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