Mendocino Coast Botanical Gardens, 47 acres of botanical bliss fronting the Pacific Ocean

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Mushroom ID Workshop

Lecture: Saturday, December 3 or December 17, 2022 from 10:00am to 2:00pm

Walk: Sunday, Dec 4 or Dec 18 at 9AM, 11:30AM, or 2PM

This two-day workshop consists of an interactive lecture with demonstrations and an optional Field ID Walk to find mushrooms associated with the Mendocino Coast Botanical Gardens' native plant communities. Naturalist and Mycologist, Mario Abreu will teach the basic taxonomic identifying features that distinguish mushrooms from each other, where each unique mushroom species can be found, when they can be found, and the myths associated with them. 

The guided walk is optional, class participants can also explore our wild mushroom collection on their own time armed with a list of species commonly found at the Gardens and an MCBG Mushroom Map.



  • Masks are required indoors and please consider wearing a mask outdoors when social distancing is not possible. Please read and follow our local Health Order. If you are sick, please stay home. 
  • The class will include indoor instruction on Saturday and a guided field walk on Sunday. Be prepared for the weather with appropriate layers.
  • We recommend bringing along drinking water, a notebook, and a pen.



Class size is limited. Registration for this workshop may be completed online. Class cost is $75 per participant and includes admission for the Field ID Walk ($65 – discounted rate for MCBG Members). Please note, all workshop fees are non-refundable unless the workshop has been canceled or rescheduled by the Gardens.

Workshop Registration ........................... $75 per participant and includes Gardens admission for the day

Member Workshop Registration ............ $65 per current MCBG Member


BOTH DATES FULL – The Mushroom ID Workshops are at capacity. Please CLICK HERE to be added to the waitlist. If we have any cancellations, we will contact you in the order the waitlist responses were received.



Mario Abreu retired from the Mendocino Coast Botanical Gardens as the Plant Propagation Supervisor, Natural Areas Coordinator, and Collections Curator after 20 years. Mario holds degrees in Natural History, and Liberal Arts and Science. He has interned for the California Department of Fish and Game Mesocarnivore Assessment, Denver Botanical Gardens Applied Plant Conservation Program, and the College of the Redwoods Plant/Lichen Herbarium.

Mario has led guided mushroom walks at the Gardens for more than 15 years and Mushroom Identification classes for the past 12 years. Additionally, he has provided mushroom walks for the California State Parks/Mendo Parks New Year’s Day Event, Visit Mendocino County Mushroom Festival Events, and private tours.

Mario is a passionate natural history volunteer docent for the Mendocino Coast Botanical Gardens, California State Parks, MendoParks, Dorothy King Young Chapter of the California Native Plant Society, and the UC Berkeley Sudden Oak Death Blitz Citizen Science Program. He also finds time to manage natural history displays at the Ford House Museum in Mendocino that include wildflowers, mushrooms, and the local Ecological Terrace Staircase and its associated Pygmy Forest plant community. 

Please remember, mushrooms found at Mendocino Coast Botanical Gardens should stay at Mendocino Coast Botanical Gardens... do not pick or collect!


Start Date: Saturday, December 3, 2022

End Date: Saturday, December 17, 2022