North America Native Plant

Dolores River Skeletonplant

Botanical name: Lygodesmia doloresensis

USDA symbol: LYDO

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Synonyms: Lygodesmia grandiflora (Nutt.) Torr. & A. Gray var. doloresensis (S. Tomb) S.L. Welsh (LYGRD2)   

Dolores River Skeletonplant: A Rare Native Gem Worth Protecting Meet the Dolores River skeletonplant (Lygodesmia doloresensis), one of nature’s more elusive botanical treasures. This rare native perennial is so uncommon that many gardeners have never heard of it—and for good reason. With its extremely limited range and conservation concerns, this ...

Rare plant alert!

Region: Conservation status by state

Status: S1S2: Status is uncertain but is somewhere between the following rankings: Critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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) ⚘

Dolores River Skeletonplant: A Rare Native Gem Worth Protecting

Meet the Dolores River skeletonplant (Lygodesmia doloresensis), one of nature’s more elusive botanical treasures. This rare native perennial is so uncommon that many gardeners have never heard of it—and for good reason. With its extremely limited range and conservation concerns, this little-known wildflower represents both an opportunity and a responsibility for native plant enthusiasts.

What Makes This Plant Special

The Dolores River skeletonplant is a native perennial forb, meaning it’s a non-woody flowering plant that comes back year after year. Like other members of the skeletonplant family, it likely produces delicate, daisy-like flowers that add subtle beauty to its natural habitat. As a forb, it lacks significant woody tissue and maintains its growing points at or below ground level, helping it survive harsh conditions in its specialized environment.

Where You’ll Find It (If You’re Lucky)

This rare native is found exclusively in Colorado and Utah, making it a true regional endemic. Its common name gives away its close association with the Dolores River region, where it has carved out its niche in very specific ecological conditions. The plant’s extremely limited geographic distribution is part of what makes it so special—and so vulnerable.

A Word of Caution: Rarity Status

Here’s where things get serious. The Dolores River skeletonplant carries a Global Conservation Status of S1S2, which indicates it’s critically imperiled to imperiled throughout its range. This means the species faces a very high to high risk of extinction due to extreme rarity, very steep declines, or other factors. In simple terms: this plant is hanging on by a thread.

What this means for gardeners: If you’re considering growing this species, proceed with extreme caution and responsibility. Any plant material must be ethically and legally sourced—never collected from wild populations.

Should You Grow Dolores River Skeletonplant?

The short answer is: probably not, unless you’re a serious conservation gardener with access to responsibly propagated material. Here’s why:

  • Extreme rarity: Wild populations are so small that any disturbance could be harmful
  • Specialized needs: This plant has evolved for very specific conditions that are difficult to replicate
  • Limited availability: Legitimate nursery sources are virtually non-existent
  • Conservation priority: Efforts should focus on protecting existing habitat rather than cultivation

Growing Conditions and Care

Due to its rarity, detailed cultivation information for Dolores River skeletonplant is extremely limited. However, based on its native range in Colorado and Utah, it likely prefers:

  • Well-draining soils typical of Western landscapes
  • Full sun to partial shade conditions
  • Low water requirements once established
  • Specific soil chemistry found in its native habitat

Given the lack of horticultural information and the plant’s conservation status, attempting to grow this species should only be undertaken by experienced native plant specialists working with conservation organizations.

Alternative Native Options

Instead of seeking out this rare species, consider these more readily available native alternatives that can provide similar ecological benefits:

  • Other Lygodesmia species that are more common in your region
  • Native asters and sunflowers that support similar pollinators
  • Regional wildflowers that thrive in your specific growing conditions

Supporting Conservation

The best way to help the Dolores River skeletonplant is to support habitat conservation in Colorado and Utah. Consider donating to local conservation organizations, participating in native plant society activities, or simply spreading awareness about rare native species and their importance.

Sometimes the most loving thing we can do for a rare plant is to admire it from afar and ensure its wild populations remain undisturbed. The Dolores River skeletonplant serves as a reminder that not every native plant belongs in our gardens—some are meant to remain wild, free, and protected in their natural homes.

Dolores River Skeletonplant

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Lygodesmia D. Don - skeletonplant

Species

Lygodesmia doloresensis S. Tomb - Dolores River skeletonplant

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