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Dore's needlegrass

Scientific Name: Achnatherum nelsonii ssp. dorei

Family: Poaceae

Category: Monocot

Growth: Graminoid

Duration: Perennial

Other Names:

       

Dore's Needlegrass (Achnatherum nelsonii subsp. dorei)

Learn about Dore's Needlegrass, a perennial grass also known as Columbia Needlegrass and Nelson's Needlegrass. This page provides information on its classification, characteristics, and more.

Considerations for Pets

  • As the common name "needlegrass" suggests, this plant has sharp, needle-like structures.
  • The plant grows actively in spring and summer, so be mindful of its presence during these seasons.

Scientific Classification

  • Scientific Name: Achnatherum nelsonii subsp. dorei (Barkworth & Maze) Barkworth
  • Rank: Subspecies
  • Genus: Achnatherum
  • Species: nelsonii
  • Family: Poaceae (Grass family)
  • Synonyms: Formerly Stipa occidentalis var. nelsonii and sometimes listed as Stipa nelsonii.

Common Names

  • Dore's Needlegrass
  • Columbia Needlegrass
  • Nelson's Needlegrass
  • Mountain Needlegrass

Distribution and Habitat

  • Dore's Needlegrass is native to certain regions of the United States.
  • It does occur in Texas, but not in Nevada or Utah.

Morphology and Growth

  • Duration: Perennial
  • Growth Habit: Graminoid (Herbaceous Grass)
  • Bloom Color: Yellow
  • Bloom Period: June to July
  • Reaches an average mature height of 3 feet.

Taxonomy and Nomenclature Notes

  • Several needlegrass species have been switched between the genus *Achnatherum* and the genus *Stipa*.

Further Information

  • ABMI (Alberta Biodiversity Monitoring Institute) Species version 3.1 (2016-01-07)
  • British Database of World Flora and Fauna
  • Oregon Flora Project
  • USDA (United States Department of Agriculture) Plants Database
  • Dave's Garden: A community sharing gardening tips and ideas.