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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.