Non-native Plants

Carpet Grass

Axonopus suffultus

USDA symbol: AXSU2

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. ...

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.

Classification

Group: Monocot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
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