North America Non-native Plant

Hordeum Pusillum Euclaston

Botanical name: Hordeum pusillum euclaston

USDA symbol: HOPUE2

Habit: grass

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

Synonyms: Hordeum euclaston Steud. (HOEU2)   

Hordeum pusillum euclaston: The Mysterious Grass That’s Hard to Pin Down If you’ve stumbled across the name Hordeum pusillum euclaston in your native plant research, you’re probably scratching your head right about now. Don’t worry – you’re not alone! This particular grass has proven to be quite the botanical mystery, ...

Hordeum pusillum euclaston: The Mysterious Grass That’s Hard to Pin Down

If you’ve stumbled across the name Hordeum pusillum euclaston in your native plant research, you’re probably scratching your head right about now. Don’t worry – you’re not alone! This particular grass has proven to be quite the botanical mystery, and there’s a good reason why you can’t find much information about it.

The Identity Crisis

Hordeum pusillum euclaston appears to be an extremely obscure or potentially outdated taxonomic designation within the barley grass family. While it’s listed with the synonym Hordeum euclaston Steud., finding reliable, current information about this specific plant is like searching for a needle in a haystack. This suggests it may be a historical name that’s no longer in common use, or possibly a very rare variety that hasn’t been well-documented in modern botanical literature.

What We Do Know

Based on the limited available information, this plant belongs to the grass family (Poaceae) and is classified as a monocot. However, details about its:

  • Native range and distribution
  • Physical appearance and size
  • Growing requirements
  • Wildlife benefits
  • Garden suitability

remain largely unknown or undocumented in accessible botanical resources.

A Better Path Forward

Rather than chasing this elusive grass, consider exploring well-documented native grass alternatives that can provide the benefits you’re likely seeking. If you’re interested in native barley grasses, look into:

  • Little Barley (Hordeum pusillum) – A well-documented native annual grass
  • Foxtail Barley (Hordeum jubatum) – An attractive perennial with distinctive seed heads
  • Other native bunch grasses specific to your region

The Takeaway for Gardeners

When you encounter plant names with limited documentation like Hordeum pusillum euclaston, it’s often a sign to step back and consult with local native plant societies, extension services, or botanical experts. They can help you identify what you’re actually looking for and point you toward reliable, well-documented alternatives that will thrive in your garden.

Remember, successful native gardening relies on choosing plants with proven track records and clear growing guidelines. While botanical mysteries can be intriguing, your garden will thank you for sticking with species that have clear identities and documented benefits!

What’s Next?

If you’re determined to learn more about this particular plant, consider reaching out to:

  • Your local native plant society
  • University extension services
  • Regional botanists or herbarium specialists
  • Online botanical forums and communities

They may have insights into whether this name represents a valid species, variety, or if it’s been reclassified under a different name. In the meantime, exploring well-documented native grasses will keep your garden project moving forward successfully!

Hordeum Pusillum Euclaston

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

Hordeum L. - barley

Species

Hordeum pusillum Nutt. - little barley

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