North America Native Plant

Yellowstone Draba

Botanical name: Draba incerta var. peasei

USDA symbol: DRINP

Life cycle: perennial

Habit: forb

Native status: Native to Canada  

Synonyms: Draba peasei Fernald (DRPE5)   

Yellowstone Draba: A Rare Canadian Native Worth Knowing About If you’ve stumbled across the name Yellowstone draba while researching native plants, you’ve discovered one of Canada’s most elusive botanical treasures. Known scientifically as Draba incerta var. peasei, this little-known perennial forb represents a fascinating piece of North America’s native plant ...

Rare plant alert!

Region: Conservation status by state

Status: SXQ: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Presumed Extinct: Believed to be extinct. Not located despite intensive searches and virtually no likelihood that it will be rediscovered ⚘

Yellowstone Draba: A Rare Canadian Native Worth Knowing About

If you’ve stumbled across the name Yellowstone draba while researching native plants, you’ve discovered one of Canada’s most elusive botanical treasures. Known scientifically as Draba incerta var. peasei, this little-known perennial forb represents a fascinating piece of North America’s native plant puzzle.

What is Yellowstone Draba?

Yellowstone draba is a perennial forb—essentially a non-woody flowering plant that returns year after year. As a member of the mustard family (like many Draba species), it shares characteristics with its better-known relatives but maintains its own unique identity. You might also see it referenced by its synonym, Draba peasei Fernald, in older botanical literature.

Where Does It Call Home?

This rare variety has an extremely limited native range, found only in Quebec, Canada. Its geographic distribution is so restricted that it highlights just how precious and unique this plant truly is within the Canadian flora.

The Rarity Factor: Why You Should Care

Here’s where things get serious—Yellowstone draba carries a Global Conservation Status of SXQ, which essentially means its conservation status is undefined or uncertain. This classification should raise red flags for any conservation-minded gardener. The plant is so rare and poorly studied that scientists can’t even properly assess its conservation needs.

If you’re considering growing this plant, proceed with extreme caution and only source material responsibly from reputable native plant societies or conservation organizations—if it’s available at all.

The Challenge for Gardeners

Unfortunately, Yellowstone draba presents a significant challenge for home gardeners. Due to its rarity and limited scientific study, there’s virtually no information available about:

  • Preferred growing conditions
  • USDA hardiness zones
  • Planting and care requirements
  • Propagation methods
  • Wildlife or pollinator benefits
  • Aesthetic characteristics

What This Means for Your Garden

Given the lack of horticultural information and uncertain conservation status, Yellowstone draba isn’t a practical choice for most home gardens. Instead, consider these alternatives if you’re interested in native Canadian forbs:

  • Other Draba species that are better documented and less rare
  • Native Quebec wildflowers with similar growing requirements
  • Well-studied perennial forbs that support local ecosystems

Supporting Conservation Efforts

While you might not be able to grow Yellowstone draba in your garden, you can still support its conservation by:

  • Learning about and supporting Quebec’s native plant conservation efforts
  • Choosing other native plants for your garden
  • Supporting botanical research and herbarium collections
  • Spreading awareness about rare native plants

Sometimes the most important plants aren’t the ones we can grow in our backyards, but the ones that remind us of the incredible diversity and fragility of our native ecosystems. Yellowstone draba may be a mystery wrapped in botanical uncertainty, but it’s a valuable reminder that there’s still so much to discover and protect in our natural world.

Yellowstone Draba

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Draba L. - draba

Species

Draba incerta Payson - Yellowstone draba

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