North America Native Plant

Beaver Povertyweed

Botanical name: Monolepis spathulata

USDA symbol: MOSP

Life cycle: annual

Habit: forb

Native status: Native to the lower 48 states  

Beaver Povertyweed: A Little-Known Western Native Worth Understanding If you’ve never heard of beaver povertyweed, you’re not alone! This humble little plant (Monolepis spathulata) is one of those quiet natives that tends to fly under the radar in gardening circles. While it may not be destined for the spotlight in ...

Beaver Povertyweed: A Little-Known Western Native Worth Understanding

If you’ve never heard of beaver povertyweed, you’re not alone! This humble little plant (Monolepis spathulata) is one of those quiet natives that tends to fly under the radar in gardening circles. While it may not be destined for the spotlight in your flower beds, this western native has its own unique story worth telling.

What Exactly Is Beaver Povertyweed?

Beaver povertyweed is an annual forb – basically a soft-stemmed plant that completes its entire life cycle in one growing season. Unlike woody shrubs or trees, this little guy stays herbaceous, meaning it never develops that thick, bark-covered trunk. Instead, it grows low to the ground as a simple annual herb, much like many wildflowers you might encounter on a nature walk.

As a true native to the lower 48 states, this plant has been quietly doing its thing in western landscapes long before European settlers arrived. It’s part of our natural heritage, even if it doesn’t make much of a visual splash.

Where Does It Call Home?

Beaver povertyweed has carved out its niche in the western United States, specifically in California, Idaho, Nevada, and Oregon. These states share certain climate characteristics – think dry summers, variable precipitation, and landscapes that can range from desert-like to mountainous.

Should You Plant Beaver Povertyweed in Your Garden?

Here’s where we need to be honest: this isn’t going to be your showstopper plant. Beaver povertyweed is more of a plant nerd’s curiosity than a garden center favorite. Its aesthetic appeal is, shall we say, understated. We’re talking about a small, inconspicuous plant that won’t wow your neighbors or create Instagram-worthy garden moments.

However, there are some scenarios where you might consider it:

  • You’re creating a comprehensive native plant collection
  • You’re involved in habitat restoration or naturalization projects
  • You’re passionate about preserving local plant genetics and biodiversity
  • You want to support the complete ecosystem, including the less flashy players

The Growing Challenge

Here’s the thing about beaver povertyweed – detailed cultivation information is pretty scarce. This isn’t because it’s particularly difficult to grow, but rather because it’s not commonly cultivated. Most of what we know comes from observing it in its natural habitat rather than from gardeners’ experiences.

What we can reasonably assume based on its native range:

  • It likely prefers well-draining soils
  • As a western native, it’s probably adapted to lower water conditions
  • Being an annual, it will complete its life cycle in one growing season
  • It may self-seed under the right conditions

Finding Seeds or Plants

Don’t expect to find beaver povertyweed at your local garden center. If you’re determined to grow this native, you’ll likely need to source seeds from specialty native plant suppliers or botanical organizations. Always ensure you’re getting locally appropriate genetics if possible.

The Bigger Picture

While beaver povertyweed might not be the star of your garden show, it represents something important: the incredible diversity of native plants that make up our ecosystems. Every native species, no matter how humble, plays a role in the complex web of relationships that support wildlife and maintain ecological balance.

If you’re looking for more garden-worthy western natives with similar growing conditions, consider exploring other regional plants like desert marigold, blanket flower, or native bunch grasses that offer both ecological value and visual appeal.

Sometimes the most interesting plants are the ones that make us pause and wonder – and beaver povertyweed definitely fits that description. Whether you choose to grow it or simply appreciate it from afar, this little native reminds us that every plant has its place in the grand scheme of things.

Beaver Povertyweed

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Chenopodiaceae Vent. - Goosefoot family

Genus

Monolepis Schrad. - povertyweed

Species

Monolepis spathulata A. Gray - beaver povertyweed

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA