North America Non-native Plant

Bromus Setifolius

Botanical name: Bromus setifolius

USDA symbol: BRSE10

Habit: grass

Native status: Not native but doesn't reproduce and persist in the wild

Bromus setifolius: The Mysterious Brome Grass If you’ve stumbled upon the name Bromus setifolius while researching native plants, you might be scratching your head wondering what exactly this plant is. Well, you’re not alone! This particular species is something of an enigma in the botanical world, with very limited information ...

Bromus setifolius: The Mysterious Brome Grass

If you’ve stumbled upon the name Bromus setifolius while researching native plants, you might be scratching your head wondering what exactly this plant is. Well, you’re not alone! This particular species is something of an enigma in the botanical world, with very limited information available about its characteristics, distribution, or growing requirements.

What We Know (And Don’t Know)

Bromus setifolius belongs to the Bromus genus, commonly known as brome grasses. These are annual or perennial grasses that are found in various habitats around the world. However, when it comes to Bromus setifolius specifically, reliable information is surprisingly scarce.

The name suggests it’s a bristle-leaved brome (setifolius means bristle-leaved), but without proper documentation, we can’t say much about its appearance, native range, or ecological role.

The Challenge of Uncertain Species

Here’s where things get tricky for gardeners and native plant enthusiasts. With such limited information available, it’s nearly impossible to provide guidance on:

  • Where this species naturally occurs
  • What growing conditions it prefers
  • Whether it’s native, invasive, or rare
  • Its role in supporting wildlife
  • How to successfully cultivate it

A Word of Caution

The Bromus genus includes several invasive species that have caused significant ecological problems in North America. Some brome grasses can quickly dominate native plant communities and increase fire risk. Without clear identification and ecological information about Bromus setifolius, it would be unwise to introduce it into your garden or landscape.

Better Alternatives

Instead of pursuing this mysterious grass, consider these well-documented native grass alternatives that provide proven benefits to wildlife and ecosystems:

  • Native bunch grasses like little bluestem or buffalo grass
  • Regional sedges that support butterfly and moth larvae
  • Native wildflower and grass meadow mixes appropriate for your area

The Bottom Line

While the mystery of Bromus setifolius might be intriguing from a botanical perspective, the lack of reliable information makes it unsuitable for garden planning. When choosing plants for your landscape, stick with well-documented native species that you can grow with confidence, knowing they’ll support local wildlife and thrive in your conditions.

If you’re passionate about native grasses, connect with your local native plant society or extension office. They can help you identify the best grass species for your specific region and gardening goals—ones with proven track records and clear growing instructions.

Bromus Setifolius

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Commelinidae

Order

Cyperales

Family

Poaceae Barnhart - Grass family

Genus

Bromus L. - brome

Species

Bromus setifolius J. Presl

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