On occasion I do lecture and/or lead plant walks. Below is the current schedule.

Upcoming

• Sedona (AZ) Edible and Medicinal Plant Walk (10/1/2023)
• Cottonwood (AZ) Edible and Medicinal Plant Walk (9/30/2023)
• Santa Fe (NM) Edible and Medicinal Plant Walk (9/24/2023)
• Albuquerque (NM) Edible and Medicinal Plant Walk (9/23/2023)

Past

• Mt. Lemmon (AZ) Edible and Medicinal Plant Walk (9/17/2023)
• Tubac (AZ) Edible and Medicinal Plant Walk (8/27/2023)
• Flagstaff (AZ) Edible and Medicinal Plant Walk (8/20/2023)
• Show Low (AZ) Edible and Medicinal Plant Walk (8/19/2023)
• Oro Valley (AZ) Edible and Medicinal Plant Walk (8/12/2023)
• Salt Lake City (UT) Edible and Medicinal Plant Walk (8/6/2023)
• Truckee (CA) Edible and Medicinal Plant Walk (7/30/2023)
• Mt. Rose (NV) Edible and Medicinal Plant Walk (7/29/2023)
• Angel Fire (NM) Edible and Medicinal Plant Walk (6/25/2023)
• Safford (AZ) Edible and Medicinal Plant Walk (5/21/2023)
• Globe (AZ) Edible and Medicinal Plant Walk (5/20/2023)
• Marana (AZ) Edible and Medicinal Plant Walk (5/13/2023)
• Sedona (AZ) Edible and Medicinal Plant Walk (4/23/23)
• Prescott (AZ) Edible and Medicinal Plant Walk (4/22/23)
• San Diego (CA) Edible and Medicinal Plant Walk (4/15/2023)
• Temecula (CA) Edible and Medicinal Plant Walk (4/16/2023)
• Scottsdale (AZ) Edible and Medicinal Plant Walk (4/2/2023)
• Cave Creek (AZ) Edible and Medicinal Plant Walk (4/1/2023) 
• El Paso (TX) Edible and Medicinal Plant Walk (3/19/2023)
• Las Cruces (NM) Edible and Medicinal Plant Walk (3/18/2023)
• Apache Junction (AZ) Edible and Medicinal Plant Walk (3/4/2023)
• Las Vegas (NV) Edible and Medicinal Plant Walk (2/26/2023)
• Palm Springs (CA) Edible and Medicinal Plant Walk (1/22/2023)
• Yuma (AZ) Edible and Medicinal Plant Walk (1/15/2023)
• Casa Grande (AZ) (Edible and Medicinal Plant Walk (12/4/2022)
• Wickenburg (AZ) Edible and Medicinal Plant Walk (12/3/2022)
• Next-Level Herbal Medicine-Making (10/30/2022)
• Mt. Charleston (NV) Edible and Medicinal Plant Walk (10/9/2022)
• Boulder (CO) Edible and Medicinal Plant Walk 8/20/2022
• Denver (CO) Edible and Medicinal Plant Walk 7/17/2022
• Colorado Springs (CO) Edible and Medicinal Plant Walk 7/16/2022
• Silver City (NM) Edible and Medicinal Plant Walk 5/1/2022
• Buttercup Family Medicinal Plants (Presentation Series) 8/29/2019
• Milkweed Family: Medicinal Utility, Ethnobotany, and Toxicology (Presentation Series) 5/16/19

Retired

• Studies in Western Herbal Medicine (2000-2015)