Native Plants

Raven Ridge False Goldenweed

Oonopsis foliosa var. monocephala

USDA symbol: OOFOM

perennial subshrub

Lower 48 states: native

If you’re the type of gardener who gets excited about discovering hidden botanical treasures, Raven Ridge false goldenweed might just capture your imagination. This perennial wildflower, scientifically known as Oonopsis foliosa var. monocephala, is one of Colorado’s most elusive native plants—so rare, in fact, that you’re more likely to spot ...

Raven Ridge False Goldenweed may be listed as rare in your area.
Global Conservation Status

Status: S3S4T2 | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Raven Ridge False Goldenweed: A Rare Colorado Native Worth Protecting

If you’re the type of gardener who gets excited about discovering hidden botanical treasures, Raven Ridge false goldenweed might just capture your imagination. This perennial wildflower, scientifically known as Oonopsis foliosa var. monocephala, is one of Colorado’s most elusive native plants—so rare, in fact, that you’re more likely to spot a unicorn in your backyard than stumble upon this little beauty in the wild.

What Makes This Plant So Special?

Raven Ridge false goldenweed belongs to the sunflower family and grows as what botanists call a forb—essentially a non-woody flowering plant that dies back to ground level each winter but returns faithfully each spring from its perennial roots. Think of it as the plant equivalent of a seasonal resident who disappears for winter but always comes back home.

This particular variety is endemic to Colorado, meaning it calls the Centennial State its one and only home. With a global conservation status of S3S4T2, it’s considered quite rare and potentially vulnerable to extinction.

Where Does It Call Home?

As its name suggests, this plant is found in the Raven Ridge area of Colorado. Its extremely limited distribution makes it a true Colorado exclusive—no other state can claim this botanical gem as their own.

  • Species observed
  • No observations

Should You Try Growing It?

Here’s where things get a bit tricky. While the idea of growing such a rare native plant might sound appealing, there are several important considerations:

  • Extreme rarity: This plant’s limited population means any cultivation should only be attempted with responsibly and legally sourced material
  • Unknown growing requirements: Due to its rarity, there’s very little information available about its specific cultivation needs
  • Conservation concerns: Wild collection could further threaten already vulnerable populations

The Responsible Approach

If you’re passionate about supporting rare Colorado natives, consider these alternatives:

  • Contact local native plant societies or botanical gardens to see if they have conservation programs
  • Support habitat preservation efforts in the Raven Ridge area
  • Choose other rare-but-available Colorado natives for your garden
  • Get involved with citizen science projects that monitor rare plant populations

What We Don’t Know (But Wish We Did)

Unfortunately, the scientific literature is frustratingly sparse when it comes to cultivation details for Raven Ridge false goldenweed. We don’t have solid information about its preferred soil types, water needs, sun requirements, or even what it looks like in full bloom. This knowledge gap is partly what makes it so intriguing—and so challenging to grow.

The Bottom Line

Raven Ridge false goldenweed represents one of those botanical mysteries that reminds us how much we still don’t know about the plant world. While it might not be the best choice for your average home garden, it serves as an important reminder of Colorado’s unique botanical heritage and the importance of plant conservation.

If you’re interested in rare Colorado natives that are more garden-friendly and available through responsible sources, consider exploring other members of the Asteraceae family or connecting with local native plant organizations who can guide you toward suitable alternatives that won’t put wild populations at risk.

Sometimes the best way to appreciate a rare plant is simply knowing it exists and supporting the efforts to keep it that way.

Oonopsis foliosa var. monocephala is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Oonopsis foliosa var. monocephala is also known as:

Haplopappus fremontii Greene ssp. monocephalus | USDA symbol: HAFRM

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Asteridae
Order: Asterales
Family: Asteraceae Bercht. & J. Presl - Aster family
Genus: Oonopsis (Nutt.) Greene - false goldenweed

Species: Oonopsis foliosa (A. Gray) Greene - leafy false goldenweed

Variety: Oonopsis foliosa (A. Gray) Greene var. monocephala (A. Nelson) Kartesz & Gandhi - Raven Ridge false goldenweed

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