North America Non-native Plant

Elymus Fibrosus Fibrosus

Botanical name: Elymus fibrosus fibrosus

USDA symbol: ELFIF

Habit: grass

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

Synonyms: Agropyron fibrosum (Schrenk) P. Candargy (AGFI4)   

Elymus fibrosus fibrosus: The Mystery Grass You Probably Shouldn’t Plant Ever stumbled across a plant name that sounds intriguing but leaves you scratching your head when you try to learn more about it? Meet Elymus fibrosus fibrosus, a grass species that’s more enigma than garden staple. If you’re considering this ...

Elymus fibrosus fibrosus: The Mystery Grass You Probably Shouldn’t Plant

Ever stumbled across a plant name that sounds intriguing but leaves you scratching your head when you try to learn more about it? Meet Elymus fibrosus fibrosus, a grass species that’s more enigma than garden staple. If you’re considering this plant for your landscape, you might want to pump the brakes and hear what we have to say first.

What We Know (Spoiler Alert: It’s Not Much)

Elymus fibrosus fibrosus belongs to the grass family (Poaceae) and has at least one documented synonym: Agropyron fibrosum. Beyond that basic botanical information, this grass exists in a frustrating information void that would make even the most patient gardener want to throw in the trowel.

We don’t know where this grass is native to, how big it gets, what conditions it prefers, or whether it plays nice with other plants. In the gardening world, that’s like trying to bake a cake without knowing any of the ingredients or the oven temperature.

The Problem with Mystery Plants

Here’s the thing about planting something you can’t properly research: it’s a gamble you probably don’t want to take. Without knowing this grass’s native range, growth habits, or potential invasiveness, you could accidentally introduce a problem plant to your local ecosystem. Even well-meaning gardeners have inadvertently caused ecological headaches by planting the wrong thing in the wrong place.

Better Alternatives: Native Grasses That Actually Make Sense

Instead of rolling the dice with Elymus fibrosus fibrosus, why not choose from the many well-documented native grasses that can bring both beauty and ecological benefits to your landscape? Here are some fantastic alternatives to consider:

  • Little Bluestem (Schizachyrium scoparium) – A stunning ornamental grass with copper-colored fall foliage
  • Buffalo Grass (Bouteloua dactyloides) – Perfect for low-maintenance lawns in dry climates
  • Prairie Dropseed (Sporobolus heterolepis) – Offers delicate texture and sweet fragrance
  • Blue Grama (Bouteloua gracilis) – Drought-tolerant with distinctive curved seed heads

How to Choose the Right Native Grass

When selecting native grasses for your garden, consider these key factors:

  • Your local climate and USDA hardiness zone
  • Soil conditions (wet, dry, sandy, clay)
  • Available space and desired mature size
  • Intended use (ornamental, lawn substitute, erosion control)
  • Wildlife benefits you want to provide

The Bottom Line

While Elymus fibrosus fibrosus might sound intriguing, the lack of reliable information about this grass makes it a poor choice for responsible gardeners. Your time, energy, and garden space are better invested in well-documented native species that you can grow with confidence.

Before planting any grass species, especially one with limited information available, consult with your local extension office or native plant society. They can help you identify grasses that are truly native to your area and will thrive in your specific conditions while supporting local wildlife.

Remember: the best garden plants are the ones you can actually learn about, grow successfully, and feel good about adding to your local ecosystem. Sometimes the most exciting gardening choice is the boring but reliable one.

Elymus Fibrosus Fibrosus

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

Elymus L. - wildrye

Species

Elymus fibrosus (Schrenk) Tzvelev

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