2021 Congress Reference Material

Repository of reference materials in support of the 2021 Fall Congress.

Please use the comment box below to give us feedback or suggestions regarding the Congress.

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Important Links

Congress Program: Printable version of the Program

Event information: Congress description as presented in the event calendar.



Orchard Slide Show: Membership’s orchard slide show as presented during the congress.

Conference Title Slides: Main slide deck for the conference.

Keynote Speaker: Peter Sourzat, Part 1 and 2

Truffle Cultivation: History, Technology, Challenges – PDF

Marketing Task Force Update: Fran Angerer

Grading Standard Proposal – Page with PDF and comment box

Are Truffle Congress Expenses Tax Deductible? Alice Chapman

Talk hand out – PDF

Research Task Force Update: Staci O’Toole and Shannon Berch

Truffle Research Project Update: Scott Oneto – PDF

Take the survey

Irrigation treatments at the truffle association of the BC black truffle orchard: PDF Version of the presentation – Becky Loverock – PDF

Truffle Culture Research in Idaho: Mark Coleman – PDF

Jim Trappe telling the story of the first ever North American Truffle Congress

Looking Back to Grow Forward: Discussion with Truffle Industry Pioneers

Pr. Paul Thomas answers the first questions: What first got you interested in truffles?
Pr. Paul Thomas answers the second question: Where do you see the truffle industry going in the next decade?
Pr. Paul Thomas answers the third question: What should cultivator be doing to achieve cultivation success?

NATGA Business Meeting

Agenda – PDF


Bios of NATGA Board members and Task Force chairs

Truffle Congress In the Press

Meet the hometown heroes who kicked off Sonoma County’s truffle revolution by Gaye LEBARON in the The Press Democrat – September 2021

Has the American-Grown Truffle Finally Broken Through? by Rowan Jacobsen in the The Smithsonian Magazine – June 2021

Truffles in Sonoma County — a tale of mystery and intrigue by GAYE LEBARON in the THE PRESS DEMOCRAT – April 29, 2007

Is there a pot of truffles at the end of the rainbow? by Lacey Fosburgh in The New York Times – February 1975 – PDF copy

Reseach References

Articles by Jim Trappe

The Hidden Life of Truffles – Jim Trappe and Andrew W. Claridge – Scientific American – 2015 – PDF

Ecology and Distribution of Desert Truffles in Western North America – James Trappe, Gabor M. Kovacs and Nancy S. Weber – 2014 – PDF extract of chapter 8

Ecology and Distribution of Desert Truffles in the Kalahari of Souther Africa – James Trappe, Andrew W. Claridge and Varda Kagan-Zur – 2014 – PDF extract of chapter 13

Diversity, Ecology and Conservation of Truffle Fungi in the Forests of the Pacific Northwest – James Trappe and al. – 2009 – PDF (202 pages)

Thank you to our Sponsors

Alexander Valley Truffle Company
Truffle Board Worldwide Truffle Marketplace


Le Clos de la Rabasse, Virginia Truffles Logo
Truffle Dog Company
Trufficulture Logo
Felco Logo
Folley Family Wines

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