North America Non-native Plant

Carpet Grass

Botanical name: Axonopus suffultus

USDA symbol: AXSU2

Habit: grass

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

Carpet Grass (Axonopus suffultus): A Mysterious Member of the Grass Family If you’ve stumbled across the name Axonopus suffultus while researching carpet grass, you’re not alone in finding limited information about this particular species. While carpet grass is a common name shared by several grass species, Axonopus suffultus appears to ...

Carpet Grass (Axonopus suffultus): A Mysterious Member of the Grass Family

If you’ve stumbled across the name Axonopus suffultus while researching carpet grass, you’re not alone in finding limited information about this particular species. While carpet grass is a common name shared by several grass species, Axonopus suffultus appears to be one of the more elusive members of this botanical family.

What We Know About This Grass

Axonopus suffultus belongs to the monocot group, making it a true grass in the Poaceae family. The genus Axonopus includes several species commonly called carpet grass, known for their low-growing, spreading habits that can form dense mats – hence the carpet nickname.

The Information Gap

Here’s where things get a bit tricky. While we know this plant exists in botanical literature, detailed information about Axonopus suffultus specifically is surprisingly scarce. This could mean a few things:

  • It might be a regional or local species with limited distribution
  • The name could be synonymous with a more commonly recognized species
  • It may be undergoing taxonomic review or reclassification

Geographic Distribution

Unfortunately, specific distribution information for Axonopus suffultus is not readily available in standard botanical databases. Most Axonopus species are found in tropical and subtropical regions, but without confirmed data, we can’t pinpoint where this particular species naturally occurs.

Should You Plant It?

Given the lack of available information about this specific species, we’d recommend proceeding with caution. If you’re interested in carpet grass for your landscape, consider these steps:

  • Verify the plant identification with a local botanist or extension office
  • Research well-documented carpet grass species that are proven performers in your region
  • Consider native alternatives that provide similar ground-covering benefits

Alternative Carpet Grass Options

If you’re looking for a low-growing grass with carpet-like qualities, you might want to explore these better-documented options:

  • Axonopus fissifolius (common carpet grass)
  • Axonopus compressus (tropical carpet grass)
  • Native sedges or rushes that provide similar coverage

The Bottom Line

While Axonopus suffultus exists in botanical nomenclature, the lack of readily available cultivation information makes it a risky choice for home gardeners. When in doubt, it’s always better to choose well-documented native species that will thrive in your specific conditions and support local ecosystems.

If you believe you have this plant or are considering it for your landscape, we strongly recommend consulting with local botanical experts to confirm identification and suitability for your garden goals.

Carpet Grass

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

Axonopus P. Beauv. - carpetgrass

Species

Axonopus suffultus (J.C. Mikan ex Trin.) Parodi - carpet grass

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