Rooted & Resilient | by Marisa Herzer
When most people think of protein, they may picture cattle, chickens, soy fields, or powder in a plastic tub.
Very few imagine still water.
Very few imagine something so small it can barely be seen with the naked eye while floating quietly on the surface of a pond. Resilience has always had a way of hiding in plain sight.
Wolffia — the smallest flowering plant on Earth — may be one of the most overlooked, underappreciated protein sources available to both people and livestock. The more I study it, the more it represents something deeper to me: the kind of intelligent design that nature has been offering us all along.
Only if we are willing to look… if we are willing to listen.
What Is Wolffia?
Wolffia is part of the duckweed family (Lemnaceae), but it is even smaller and more efficient than the duckweed most people recognize.
A few things it does:
- Floats freely on freshwater
- Has no roots
- Measures roughly 0.5–1.5 mm
- Doubles its biomass in as little as 24–48 hours under optimal conditions
- Is one of the fastest-growing plants on Earth
There are several species, including Wolffia globosa and Wolffia arrhiza, some of which have been consumed traditionally in Southeast Asia for generations.
From a systems perspective, this matters. This is because land is limited, water is precious and inputs are expensive.
Wolffia asks for very little.
A Legitimate Protein Source
On a dry weight basis, wolffia contains upwards of 30% protein, depending on species and growing conditions1. That puts it in the same conversation as soybeans — but without the need for tillage, large acreage, or heavy mechanical harvesting.
Even more astonishing:
- It contains a strong amino acid profile.
- It is highly digestible.
- It lacks lignin, which makes nutrient absorption easier than many terrestrial plant sources.
Researchers — including teams affiliated with NASA — have studied duckweed and related aquatic plants for use in closed-loop life support systems due to their extraordinary efficiency in oxygen production and protein generation within limited space.
When an organization tasked with feeding humans in space studies a plant, it deserves our attention.
Wolffia for Livestock: A Resilient Strategy
From an agricultural standpoint, wolffia becomes even more interesting.
- A protein supplement for poultry
- A component in aquaculture systems
- A feed input for rabbits and small ruminants (when managed appropriately)
- A supplemental protein source for swine
For homesteaders trying to reduce dependency on purchased feed, this is not a novelty. It is a strategy.
Imagine:
- A managed pond integrated into your rainwater system.
- Nutrients cycling from livestock into water.
- Wolffia absorbing nitrogen and phosphorus.
- Harvested biomass returning to animals as feed.
That is systems thinking.
That is resilience.
Beyond Nutrition: Environmental Intelligence
Wolffia does more than feed.
It absorbs excess nutrients from water.
It can reduce runoff impact.
It requires no plowing, no heavy soil disturbance.
It produces rapid biomass with minimal land footprint.
In a world where agriculture often depletes, wolffia suggests something different — regeneration through design.
Resilience is not about expanding endlessly.
It is about increasing efficiency within the space you already have.
But This Is Where It Gets Personal
Horses are why I studied agriculture.
Long before I understood nutrient cycling, before I could calculate protein percentages or analyze feed ratios, I understood something else: that horses shift energy.
If you have ever stood next to one — truly, stood next to one — you know they do not simply occupy space. They influence it and their nervous systems regulate yours. Their heartbeat steadies the air, with their awareness changing the field around them.
They taught me that environments are not just physical, but energetic.
That principle has never left me.
Wolffia grows in still water.
Still water responds to its environment.
Nutrients move through it.3
Energy moves through it.
When we design agricultural systems, we are not just managing matter. We are managing flow.
Flow of nutrients.
Flow of energy.
Flow of frequency.
The way we think about land affects the land.
The way we approach systems affects how those systems respond.
If you really listen — if you really connect with your surroundings — you begin to notice things most people miss.
You discover a world that was always there.
Can Humans Eat It?
Yes4 — and in some parts of the world, they already do.
In Thailand, certain species of wolffia are consumed fresh in soups and egg dishes. It can also be dried and powdered into protein supplements.
Of course, cultivation must be controlled. Water quality must be monitored. Identification must be accurate.
Responsible agriculture always includes responsibility.
However, the idea that protein must come from industrial monocropping or massive feedlots is simply not true.
Sometimes it floats quietly on the surface of a pond.
Practical Considerations
If you are considering exploring wolffia:
- Ensure clean, controlled water sources.
- Avoid contaminated runoff.
- Confirm species identification.
- Monitor nutrient input carefully.
- Test before integrating into human diets.
- Research local regulations if planning commercial sale.
Resilience does not mean reckless experimentation, but it does involve thoughtful integration.
Why This Matters for Rooted & Resilient
At Rooted & Resilient, we talk often about empowerment. It’s important to note that empowerment is not just about motivational language.
It is access to knowledge.
It is understanding that you are not trapped inside conventional systems.
It is recognizing that the smallest plant on Earth can produce legitimate protein for both animals and people.
Importantly: it is remembering that intelligence is built into nature LONG before we commercialized it.
Sometimes resilience looks like a pasture, and sometimes it looks like a barn. But, sometimes it looks like still water, growing something extraordinary. Only if you slow down long enough to notice.
From the Desk of Marisa, The Agriculturist
Marisa holds a Bachelor of Science in Animal Science Production and a Master of Science in Agricultural and Consumer Resources from Tarleton State University.
Her journey into agriculture began with horses. Studying their physiology, nutrition, and behavior revealed something deeper: environments are shaped not only by inputs, but by energy and connection.
Her work focuses on functional, science-backed agricultural systems that strengthen resilience for both people and animals.
At Rooted & Resilient and Frontier West, she integrates traditional livestock production with regenerative design — always asking:
How can we design systems that nourish more than they consume?
- Zhubin Hu, Yang Fang, Zhuolin Yi, Xueping Tian, Jinmeng Li, Yanling Jin, Kaize He, Penghui Liu, Anping Du, Yuhong Huang, Hai Zhao,
Determining the nutritional value and antioxidant capacity of duckweed (Wolffia arrhiza) under artificial conditions,
LWT,Volume 153,2022,112477,ISSN 0023-6438,
https://doi.org/10.1016/j.lwt.2021.112477.
(https://www.sciencedirect.com/science/article/pii/S0023643821016303) Keywords: Wolffia arrhiza; Protein quality; Phytochemicals; Antioxidant capacity ↩︎ - Chigozie E. Ofoedu, Hayriye Bozkurt, Jenny C. Mortimer,
Towards sustainable food security: Exploring the potential of duckweed (Lemnaceae) in diversifying food systems,
Trends in Food Science & Technology, Volume 161, 2025, 105073, ISSN 0924-2244,
https://doi.org/10.1016/j.tifs.2025.105073.
(https://www.sciencedirect.com/science/article/pii/S0924224425002092) Keywords: Duckweed; Food security; Plant protein; Sustainable agriculture; Consumer acceptance ↩︎ - Appenroth KJ, Sree KS, Bog M, Ecker J, Seeliger C, Böhm V, Lorkowski S, Sommer K, Vetter W, Tolzin-Banasch K, Kirmse R, Leiterer M, Dawczynski C, Liebisch G, Jahreis G. Nutritional Value of the Duckweed Species of the Genus Wolffia (Lemnaceae) as Human Food. Front Chem. 2018 Oct 29;6:483. doi: 10.3389/fchem.2018.00483. PMID: 30420949; PMCID: PMC6215809. ↩︎
- Klaus-J. Appenroth, K. Sowjanya Sree, Volker Böhm, Simon Hammann, Walter Vetter, Matthias Leiterer, Gerhard Jahreis,
Nutritional value of duckweeds (Lemnaceae) as human food,
Food Chemistry, Volume 217, 2017, Pages 266-273, ISSN 0308-8146,
https://doi.org/10.1016/j.foodchem.2016.08.116.
(https://www.sciencedirect.com/science/article/pii/S0308814616313565) Keywords: duckweed; Landoltia; Lemna; Spirodela; Wolffia; Wolffiella; Proteins; Fatty acids ↩︎
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