Non-native Plants

Pseudoroegneria Libanotica

Pseudoroegneria libanotica

USDA symbol: PSLI6

If you’ve stumbled across the name Pseudoroegneria libanotica in your plant research, you’re likely dealing with one of the more mysterious members of the grass family. This species, also known by its synonym Agropyron libanoticum, belongs to a genus that’s gaining attention among native plant enthusiasts, though specific information about ...

Pseudoroegneria libanotica: A Lesser-Known Grass Worth Investigating

If you’ve stumbled across the name Pseudoroegneria libanotica in your plant research, you’re likely dealing with one of the more mysterious members of the grass family. This species, also known by its synonym Agropyron libanoticum, belongs to a genus that’s gaining attention among native plant enthusiasts, though specific information about this particular species remains frustratingly scarce.

What We Know (And Don’t Know)

Pseudoroegneria libanotica is classified as a grass or grass-like plant within the Poaceae family. The name libanotica suggests a connection to Lebanon, hinting at Middle Eastern or Mediterranean origins, though the exact native range and distribution remain unclear in available literature.

Here’s where things get a bit tricky for gardeners: much of the basic information we’d typically want to know about this plant—its common names, growth requirements, wildlife benefits, and even its conservation status—simply isn’t well-documented in accessible sources.

The Pseudoroegneria Family Connection

While we can’t say much specifically about P. libanotica, we can look to its genus for clues. Pseudoroegneria species are typically:

  • Perennial bunch grasses
  • Adapted to drier conditions
  • Important for erosion control
  • Valuable for wildlife habitat

Should You Grow It?

This is where things get interesting. Without clear information about this species’ invasive potential, conservation status, or specific growing requirements, it’s difficult to make a strong recommendation either way. If you’re considering this plant, here are some thoughts:

Proceed with caution: The lack of readily available information could mean this species is either very rare, not commonly cultivated, or possibly mislabeled in your source material.

Consider alternatives: If you’re looking for native grasses, you might want to explore better-documented species in the Pseudoroegneria genus or similar native grasses that are well-established in cultivation.

General Growing Guidance

Based on what we know about related species in the genus, if you do decide to experiment with Pseudoroegneria libanotica, keep these general principles in mind:

  • Likely prefers well-drained soils
  • May tolerate drought conditions once established
  • Probably benefits from full sun exposure
  • Could work well in naturalized or restoration plantings

The Bottom Line

Pseudoroegneria libanotica represents one of those plant mysteries that keeps botanists and gardeners humble. While we can make educated guesses based on its genus and the hints in its name, the lack of specific information means any gardener considering this species would essentially be conducting their own field research.

If you’re set on exploring this plant, make sure you’re sourcing it responsibly and consider reaching out to botanical institutions or grass specialists who might have more detailed knowledge. Sometimes the most rewarding gardening experiences come from working with these lesser-known species—just be prepared for a bit of trial and learning along the way!

Pseudoroegneria libanotica is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Pseudoroegneria libanotica is also known as:

Agropyron libanoticum | USDA symbol: AGLI4

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

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: Pseudoroegneria (Nevski) Á. Löve - wheatgrass

Species: Pseudoroegneria libanotica (Hack.) D.R. Dewey

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