North America Native Plant

Basalt Springparsley

Botanical name: Cymopterus basalticus

USDA symbol: CYBA3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Basalt Springparsley: A Rare Native Gem That’s Better Left Wild Meet basalt springparsley (Cymopterus basalticus), one of the American West’s most elusive native wildflowers. This tiny member of the carrot family might not win any showiest flower contests, but it’s got something far more precious—extreme rarity that makes it a ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Basalt Springparsley: A Rare Native Gem That’s Better Left Wild

Meet basalt springparsley (Cymopterus basalticus), one of the American West’s most elusive native wildflowers. This tiny member of the carrot family might not win any showiest flower contests, but it’s got something far more precious—extreme rarity that makes it a true botanical treasure.

What Makes Basalt Springparsley Special?

This perennial forb is what botanists call a narrow endemic, meaning it grows in very specific places and nowhere else on Earth. Basalt springparsley has carved out its niche in the rocky, volcanic soils of Nevada and Utah, where most other plants simply can’t survive.

As a low-growing herbaceous plant, basalt springparsley forms small rosettes close to the ground, sending up delicate clusters of tiny white to yellowish flowers in umbrella-like arrangements called umbels. It’s the kind of plant that rewards the observant nature lover who takes time to notice the small wonders at their feet.

Where Does It Call Home?

You’ll find basalt springparsley exclusively in Nevada and Utah, typically growing on basaltic outcrops and rocky slopes. This plant has mastered the art of thriving where others fear to tread—in harsh, mineral-rich volcanic soils that would challenge even the toughest garden plants.

A Conservation Concern

Here’s the important part: Basalt springparsley carries a Global Conservation Status of S2, which means it’s considered Imperiled. With typically only 6 to 20 known populations and possibly fewer than 3,000 individual plants in existence, this species is hanging on by a thread.

What makes it so vulnerable? Like many rare plants, basalt springparsley has very specific habitat requirements. It depends on undisturbed basaltic soils and the precise environmental conditions found in its native range. Human activities, habitat destruction, and climate change all pose threats to its survival.

Should You Grow Basalt Springparsley?

Here’s where we need to have an honest conversation. While basalt springparsley would make a fascinating addition to a specialized native plant collection, there are several important considerations:

  • Rarity concerns: Given its imperiled status, any plants should come only from ethical, conservation-minded sources—never from wild collection
  • Extreme growing requirements: This plant needs very specific conditions that are nearly impossible to replicate in typical garden settings
  • Conservation priority: Protecting existing wild populations is more important than cultivating it in gardens
  • Limited availability: You’re unlikely to find this plant at your local nursery, and that’s probably for the best

Growing Conditions (For the Truly Dedicated)

If you’re a serious native plant enthusiast with access to responsibly sourced seeds or plants, basalt springparsley requires:

  • Excellent drainage—think cactus-level drainage
  • Rocky, mineral-rich soil similar to its native basaltic habitat
  • Full sun exposure
  • Very low water requirements once established
  • Cool winter temperatures (likely hardy in USDA zones 4-7)
  • Minimal soil fertility—this plant thrives in poor soils

Better Alternatives for Your Garden

Instead of trying to grow this rare species, consider these more readily available native alternatives that offer similar aesthetic appeal:

  • Desert parsley (Lomatium species) – Similar umbel flowers, more widely available
  • Wild buckwheat (Eriogonum species) – Great for rock gardens and xeriscaping
  • Native penstemons – Excellent for pollinators and dry gardens
  • Sulfur flower (Eriogonum umbellatum) – Similar low-growing habit with showy flowers

Supporting Conservation

The best way to help basalt springparsley is to support conservation efforts in its native range. Consider contributing to botanical organizations that work to protect rare plants, or participate in citizen science projects that help monitor endangered species populations.

Sometimes the most loving thing we can do for a rare plant is to appreciate it in its wild home and work to protect the habitats where it naturally thrives. Basalt springparsley reminds us that not every beautiful plant needs to be in our garden—some are perfectly content being wild, rare, and wonderful exactly where they are.

Basalt Springparsley

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Apiales

Family

Apiaceae Lindl. - Carrot family

Genus

Cymopterus Raf. - springparsley

Species

Cymopterus basalticus M.E. Jones - basalt springparsley

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