North America Non-native Plant

Hordeum Parodii

Botanical name: Hordeum parodii

USDA symbol: HOPA9

Habit: grass

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

Hordeum parodii: An Enigmatic Native Grass Worth Knowing If you’ve stumbled across the name Hordeum parodii in your plant research, you’re not alone in wondering what exactly is this plant? This lesser-known member of the grass family (Poaceae) represents one of those intriguing botanical mysteries that even seasoned gardeners might ...

Hordeum parodii: An Enigmatic Native Grass Worth Knowing

If you’ve stumbled across the name Hordeum parodii in your plant research, you’re not alone in wondering what exactly is this plant? This lesser-known member of the grass family (Poaceae) represents one of those intriguing botanical mysteries that even seasoned gardeners might not encounter in their typical plant catalogs.

What is Hordeum parodii?

Hordeum parodii belongs to the barley genus, making it a relative of the familiar grain crop. Like its cousins, this is a true grass with the characteristic narrow leaves and seed heads that define the Poaceae family. However, unlike common barley, this species remains largely in the realm of botanical collections and specialized native plant enthusiasts.

The species name parodii suggests this grass was named after a botanist named Parodi, likely honoring Lorenzo Raimundo Parodi, an Argentine botanist who made significant contributions to South American grass taxonomy in the early-to-mid 20th century.

Where Does It Come From?

While specific distribution data for Hordeum parodii is limited in readily available sources, the naming convention and botanical history suggest this grass likely originates from South America, particularly the temperate regions of Argentina or Chile where many Hordeum species naturally occur.

Is It Beneficial for Gardens?

Here’s where things get interesting – and a bit challenging. The limited information available about Hordeum parodii makes it difficult to provide specific gardening advice. However, we can make some educated observations based on its family characteristics:

  • As a native grass, it likely provides erosion control benefits
  • Grass seed heads can offer food sources for seed-eating birds
  • Native grasses typically require less water and maintenance once established
  • It may provide habitat structure for small wildlife

The Challenge of Growing the Unknown

If you’re considering adding Hordeum parodii to your landscape, you’ll face the gardener’s equivalent of a treasure hunt. With limited cultivation information available, growing this grass would be somewhat experimental. Here are some general guidelines based on related Hordeum species:

  • Most Hordeum species prefer full sun to partial shade
  • They typically adapt to various soil types but prefer well-draining conditions
  • As temperate grasses, they likely have moderate water needs
  • Propagation would most likely be from seed, though availability is questionable

A Word of Caution and Alternatives

Before you get too excited about tracking down this elusive grass, consider that its rarity in cultivation might be telling. It could be challenging to grow, have specific habitat requirements, or simply not be particularly ornamental compared to other native grass options.

If you’re drawn to the idea of native grasses that provide similar ecological benefits with better-documented growing requirements, consider researching other native grasses from your region. Your local native plant society or extension service can point you toward grass species that will thrive in your specific area and provide proven benefits to local wildlife.

The Bottom Line

Hordeum parodii represents one of those botanical curiosities that remind us how much we still don’t know about the plant kingdom. While it may not be the easiest choice for your weekend garden project, it serves as a fascinating example of the diversity within grass families and the importance of continued botanical research and conservation.

If you do encounter this grass in a botanical garden or research setting, take a moment to appreciate it as a representative of the countless plant species that exist beyond our typical gardening awareness. And who knows? Maybe your interest will contribute to expanding the knowledge base about this mysterious member of the barley family.

Hordeum Parodii

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 parodii Covas

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