North America Native Plant

Dimeria Chloridiformis Sensu Non

Botanical name: Dimeria chloridiformis sensu non

USDA symbol: DICH14

Habit: grass

Native status: Native to Pacific Basin excluding Hawaii  

Dimeria chloridiformis sensu non: A Mysterious Pacific Grass Sometimes in the plant world, we encounter species that are more mystery than certainty, and Dimeria chloridiformis sensu non is definitely one of those intriguing enigmas. This grass species from the remote Pacific islands might not be a household name (it doesn’t ...

Dimeria chloridiformis sensu non: A Mysterious Pacific Grass

Sometimes in the plant world, we encounter species that are more mystery than certainty, and Dimeria chloridiformis sensu non is definitely one of those intriguing enigmas. This grass species from the remote Pacific islands might not be a household name (it doesn’t even have a common name!), but it represents the fascinating diversity of grasses that call our planet’s most isolated corners home.

What Exactly Is This Plant?

Dimeria chloridiformis sensu non belongs to the graminoid family, which means it’s a grass or grass-like plant. Think of it as part of that big, diverse family that includes not just your typical lawn grasses, but also sedges, rushes, and other grassy cousins. The sensu non part of its name is botanist-speak that adds a layer of taxonomic complexity—basically, it’s a way of distinguishing this particular plant from other similar species that might get confused with it.

Where Does It Call Home?

This Pacific native has quite an exclusive address list. You’ll find Dimeria chloridiformis sensu non growing naturally in:

  • Guam
  • Palau

It’s native to the broader Pacific Basin region (excluding Hawaii), making it a true island endemic with a very limited natural range.

Should You Grow It in Your Garden?

Here’s where things get a bit tricky. While this native Pacific grass isn’t listed as invasive or noxious, the reality is that very little horticultural information exists about growing Dimeria chloridiformis sensu non in cultivation. This isn’t necessarily a bad thing—it just means you’d be venturing into relatively uncharted gardening territory.

If you’re gardening in Guam or Palau, incorporating native species like this one could potentially support local ecosystems, though you’d want to source plants responsibly and work with local native plant experts who might have hands-on experience with the species.

The Challenge of Growing the Unknown

Unfortunately, specific growing conditions, care requirements, and propagation methods for this particular species remain largely undocumented in readily available horticultural literature. This means that if you’re interested in growing it, you’d essentially be pioneering its cultivation—which could be exciting for the adventurous gardener, but frustrating for those who prefer detailed growing guides.

What We Don’t Know (But Wish We Did)

The information gaps for this species are pretty significant. We don’t have reliable data on:

  • Specific growing conditions it prefers
  • How tall or wide it grows
  • What kind of wildlife benefits it provides
  • Its role in natural ecosystems
  • Propagation methods
  • USDA hardiness zones

The Bottom Line

Dimeria chloridiformis sensu non represents one of those fascinating plant species that reminds us how much we still don’t know about the natural world. While it might not be the easiest addition to your garden toolkit, it’s a testament to the incredible diversity of grasses that exist in our world’s most remote locations.

If you’re in its native range and interested in supporting local plant diversity, consider reaching out to local botanical gardens, universities, or native plant societies who might have more specific knowledge about this elusive species. Sometimes the most rewarding gardening adventures start with the plants that keep a few secrets.

Dimeria Chloridiformis Sensu Non

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

Dimeria R. Br.

Species

Dimeria chloridiformis sensu Ohwi 1941, non (Gaudich.) K. Schum. & Lauterb.

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