North America Native Plant

Teton Wirelettuce

Botanical name: Stephanomeria fluminea

USDA symbol: STFL8

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Teton Wirelettuce: A Rare Wyoming Native Worth Protecting in Your Garden If you’re a native plant enthusiast looking to make a real conservation impact, Teton wirelettuce (Stephanomeria fluminea) might just be the perfect addition to your Wyoming garden. This remarkable perennial forb represents something truly special – a plant found ...

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) ⚘

Teton Wirelettuce: A Rare Wyoming Native Worth Protecting in Your Garden

If you’re a native plant enthusiast looking to make a real conservation impact, Teton wirelettuce (Stephanomeria fluminea) might just be the perfect addition to your Wyoming garden. This remarkable perennial forb represents something truly special – a plant found nowhere else in the world except the beautiful landscapes of Wyoming.

What Makes Teton Wirelettuce Special?

Teton wirelettuce is a native perennial forb, meaning it’s a soft-stemmed plant (not woody like shrubs or trees) that comes back year after year. True to its wirelettuce name, this plant has slender, wire-like stems that give it a delicate, almost ethereal appearance in the garden. During its blooming season, it produces small yellow composite flowers that add subtle charm to any native planting.

Where Does It Call Home?

This plant is truly a Wyoming original – it’s endemic to the state and grows naturally only within Wyoming’s borders. You’ll find it thriving along riparian areas and in moist habitats throughout the state, where it has adapted perfectly to the local climate and conditions.

A Plant That Needs Our Help

Important Conservation Note: Teton wirelettuce has a Global Conservation Status of S2, which means it’s considered Imperiled. With typically only 6-20 known occurrences and between 1,000-3,000 remaining individuals, this plant is especially vulnerable to disappearing forever. If you choose to grow this species, please ensure you source it responsibly from reputable native plant nurseries or conservation organizations – never collect from the wild.

Garden Appeal and Design Role

While Teton wirelettuce may not be the showiest plant in your garden, it brings something more valuable – a direct connection to Wyoming’s unique botanical heritage. Its wire-like stems and delicate yellow flowers work beautifully in:

  • Native Wyoming plant gardens
  • Wetland and riparian restoration projects
  • Conservation-focused landscapes
  • Specialized native plant collections

Growing Conditions and Care

As a facultative wetland plant, Teton wirelettuce usually prefers moist to wet conditions but can tolerate some drier periods. Here’s what this Wyoming native needs to thrive:

  • Moisture: Consistent moisture is key – think riparian conditions
  • Light: Full sun to partial shade
  • Soil: Moist, well-draining soils
  • Climate: USDA Hardiness Zones 3-5

Planting and Care Tips

Growing Teton wirelettuce can be challenging, making it best suited for experienced native plant gardeners:

  • Plant in spring after the last frost
  • Maintain consistent soil moisture throughout the growing season
  • Mulch around plants to retain moisture
  • Be patient – establishment can take time
  • Avoid fertilizers, as native plants typically don’t need them

Benefits to Pollinators and Wildlife

Like other plants in the sunflower family, Teton wirelettuce produces composite flowers that attract native bees, butterflies, and other pollinators. By growing this rare native, you’re not only supporting local wildlife but also contributing to the conservation of an imperiled species.

Should You Grow Teton Wirelettuce?

This plant is perfect for you if you’re:

  • A Wyoming resident passionate about local flora
  • Interested in conservation gardening
  • Working on wetland or riparian restoration
  • An experienced native plant grower ready for a challenge

However, this might not be the right choice if you’re looking for easy-care plants or dramatic garden focal points. Teton wirelettuce rewards gardeners with something more precious than flashy blooms – the satisfaction of helping preserve a piece of Wyoming’s irreplaceable natural heritage.

Remember, every responsibly grown Teton wirelettuce plant represents hope for this species’ future. By choosing to grow this rare native, you’re becoming part of a conservation story that future generations will thank you for.

Teton Wirelettuce

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

Stephanomeria Nutt. - wirelettuce

Species

Stephanomeria fluminea Gottlieb - Teton wirelettuce

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