osadha natural health, llc
Herbalism, medicinal mushrooms, foraging
Anna marija helt, Ph.D
herbalist~biologist
practicing since 2009
~HERBALISM In durango or wherever you are~
About Marija
Marija grew up running wild in the woods. (Well, at least ’til sunset.) She’s a research scientist-turned-clinical herbalist, practicing since 2009. Marija studied botanical medicine with Pam Fisher at the Berkeley Herbal Center (formally the Ohlone Center of Herbal Studies), with Kathi Keville at the Green Medicine Herb School, and for shorter stints with other herbalists. … (read more)


Book an Herbal Consultation to:
- Work on optimal health and wellness through a simple, personalized approach that’s doable and doesn’t break the bank.
- Work with an experienced herbalist with over 12 years in clinical practice and another dozen years of experience in biomedical research.
- Become acquainted with the “plant allies” and foods that best fit you.
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Durango Online Herbarium is up & contains 60 fungal species. Plants are next...
I’m uploading over a decade’s worth of wild plant and mushroom photos, along with where they’re found and some additional basic info. I’ve started with fungi, and next will be plants. For now, entries are arranged alphabetically. Keep checking back to see the new uploads. You can use the search feature in the upper right corner to look for specific mushrooms or plants. Note that many of the mushrooms and plants featured are not edible or medicinal so don’t assume you can stick ’em in your mouth just because they’re included in the herbarium.
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Proud member of:

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Starting Feb 25th (not the 10th)...
Terratalk Sessions: How Can We Cross Our Ecologies? (Online class 2/25, 3/4, 3/tbd 2-4:30 PM MST). A study and discussion group organized and facilitated by Kelly Moody of the Ground Shots Podcast and the Of Sedge and Salt Blog. Themes to be explored include:
Week 1 – dabbling in fire, water, and ecological disturbance
Week 2 – deepening exploration around ‘wildness’, ‘wilderness’, and religious influences on land perception
Week 3 – weaving our experiences of introduced and native plants
Please visit here for more information and to sign up. See you on the 25th!

Please contact me if you’d like to receive monthly class notifications.
Upcoming Classes
Click HERE for more info or to register.
MEDICINE MAKING WORKSHOP SERIES In Durango. One Sunday per month, 11am-12pm. Next one is March 19th: Herb-Infused Oils. April 16th is Salves, May 21st is Tincture making.
MAKING HERBAL SLEEP & DREAM PILLOWS Workshop at Basecamp, Durango. Saturday April 8th, 2023, 10am-noon.
SUMMERTIME LEAVE-ON FACIAL TREATMENT Workshop at Basecamp, Durango. Saturday May 16th, 2023, 10am-noon.
NATURAL PERFUMERY Workshop in Albuquerque. Saturday September 9, 2023, 10am-1pm.
ELEVEN CLASS RECORDINGS FROM 2022 ARE NOW AVAILABLE ON THE CLASSES PAGE. Miss a class that you wanted to join last year?
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2023 Herb & Mushroom Walks!!!!
I have 6 plant and mushroom walks scheduled. Please visit classes page for more info!
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Want to learn about wild foods & medicines?
Sign up for 1-on-1 lessons whether you live in Durango, Dallas, or Delaware! Check for upcoming classes and workshops that are in person or live-streamed. Dive into 12 years worth of free articles and videos on herbalism, “mushroomism” and botanical aromatics.
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2023 Good Medicine Confluence
The 2023 Good Medicine Confluence is July 19-22nd at Lake George Colorado. I have four tickets available at 1/3rd off current price. Come join us the best botanical gathering there is. I’m teaching 3 classes:
Mushroom Microscopy: Taking a Closer Look
How to Critically Evaluate and Translate Botanical Research
Crazy about Conks: Four types of prep and what to do with them
Articles & Videos
Monday’s Mushroom, Episode 14: Making spore prints
Easy and fun to do, mushroom spore printing is also an important step in mushroom identification. Spore prints are when you collect spores en masse from the mushroom cap. By doing that, you can see spore color, which would otherwise be impossible without a microscope....
Rocky Mountain Medicinal Plant Walk – Part 13
Wild Rose Pedicularis Lousewort Rocky Mountains Medicinal Plants
Rocky Mountain Medicinal Plant Walk – Part 12
Yarrow Stinging Nettles Shrubby Cinquefoil Rocky Mountains Medicinal Plants
Rocky Mountain Medicinal Plant Walk – Part 10
Wild Plants Cow Parsnip Bottlebrush Horsetail Herb Walk Rocky Mountains Medicinal Plants
Rocky Mountain Medicinal Plant Walk – Part 9
Wild Plants Arnica Cleavers Meadow Rue Herb Walk Rocky Mountains
Rocky Mountain Medicinal Plant Walk – Part 11
Wild Plants Elder Elderberry Jacob's Ladder Herb Walk Rocky Mountains
Meet Your Digestive System – Part 1
Digestion Part 2 of series Part 3 of series Part 4 of series
Rocky Mountain Medicinal Plant Walk – Part 8
Twinberry Honeysuckle Raspberry Blackberry Star Solomon's Plume
Rocky Mountain Medicinal Plant Walk – Part 7
Oregon Grape Solomon's Plume Herb Walk Wild Plants Rocky Mountains
Rocky Mountain Medicinal Plant Walk – Part 6
Violet Thimbleberry Fireweed Rocky Mountains Herb Walk Wild Plants
Rocky Mountain Medicinal Plant Walk – Part 5
Elder Elderberry Wild Geranium Potentilla Cinquefoil Columbie Baneberry