North America Non-native Plant

Trisetum Distichophyllum

Botanical name: Trisetum distichophyllum

USDA symbol: TRDI16

Habit: grass

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

Trisetum distichophyllum: The Mystery Grass That’s Puzzling Plant Enthusiasts Ever stumbled across a plant name that seems to exist in botanical limbo? Meet Trisetum distichophyllum, a grass species that’s as elusive as it is intriguing. If you’re scratching your head wondering what exactly this plant is, you’re not alone – ...

Trisetum distichophyllum: The Mystery Grass That’s Puzzling Plant Enthusiasts

Ever stumbled across a plant name that seems to exist in botanical limbo? Meet Trisetum distichophyllum, a grass species that’s as elusive as it is intriguing. If you’re scratching your head wondering what exactly this plant is, you’re not alone – even seasoned botanists have limited information about this particular member of the grass family.

What We Know (And Don’t Know)

Trisetum distichophyllum belongs to the fascinating world of graminoids – that’s botanist-speak for grass and grass-like plants. This group includes not just your typical lawn grasses, but also sedges, rushes, and other grass-like plants that form the backbone of many ecosystems.

Here’s where things get interesting (and a bit frustrating): despite its official botanical name, there’s remarkably little documented information about this specific species. No widely recognized common name, no clear native range, and virtually no cultivation information. It’s like finding a book with only the title page!

The Information Gap Dilemma

The lack of available information about Trisetum distichophyllum raises several possibilities:

  • It could be an extremely rare species with very limited distribution
  • It might be a recently described species that hasn’t made it into popular gardening literature
  • There could be taxonomic uncertainty about its classification
  • It may simply be a species that hasn’t caught the attention of the gardening world

Should You Try to Grow It?

Given the mystery surrounding Trisetum distichophyllum, attempting to cultivate it presents some unique challenges. Without clear information about its native habitat, growing conditions, or even its appearance, successfully growing this grass would be quite the gardening adventure.

If you’re determined to work with grasses in your landscape, consider exploring better-documented Trisetum species or other native grasses that are known to thrive in garden settings. Many native grass species offer excellent ecological benefits, beautiful seasonal interest, and the added bonus of actually being available through reputable nurseries.

The Importance of Proper Plant Identification

The case of Trisetum distichophyllum serves as a great reminder about the importance of proper plant identification and sourcing. When planning your native garden, it’s always best to:

  • Work with well-documented species that have clear cultivation information
  • Source plants from reputable native plant nurseries
  • Verify plant identifications with local botanists or extension services
  • Choose species that are known to be appropriate for your specific region

Alternative Grass Options

While Trisetum distichophyllum remains an enigma, there are plenty of wonderful native grass options that can add beauty and ecological value to your landscape. Consider exploring well-documented native grasses that are suited to your particular region and growing conditions. Local native plant societies and extension offices can be excellent resources for finding grasses that will thrive in your specific area.

The Bottom Line

Trisetum distichophyllum represents one of those fascinating botanical mysteries that remind us how much we still have to learn about the plant world. While it may not be the best choice for your garden due to the lack of cultivation information, it serves as an interesting example of the complexity and diversity within the grass family.

For now, this mysterious grass is best left to the botanists and researchers. Stick with well-documented native species for your gardening adventures – your plants (and your sanity) will thank you for it!

Trisetum Distichophyllum

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

Trisetum Pers. - oatgrass

Species

Trisetum distichophyllum (Vill.) P. Beauv.

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