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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Achnatherum nelsonii ssp. nelsonii

Achnatherum nelsonii (Scribn.) Barkworth ssp. nelsonii

Columbia Needlegrass, Mountain Needle Grass

Poaceae (Grass family)

Synonym(s): Stipa columbiana var. nelsonii, Stipa nelsonii, Stipa occidentalis var. nelsonii, Stipa williamsii

USDA Symbol: ACNEN2

USDA Native Status: L48 (N), CAN (N)

 

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Caryopsis
Size Notes: Up to about 6 feet tall.

Bloom Information

Bloom Color: Green , Purple , Brown
Bloom Time: Jun , Jul , Aug , Sep

Distribution

USA: AZ , CO , ID , MT , NV , UT , WY
Canada: SK
Native Habitat: Meadows and open woodlands, from sagebrush steppe and pinyon-juniper woodlands to subalpine forests.

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 32 - Grasses of Canada, the U.S., and Mexico - North America north of Mexico (all countries, provinces, states, territories) (2019) Open Herbarium (openherbarium.org)

Additional resources

USDA: Find Achnatherum nelsonii ssp. nelsonii in USDA Plants
FNA: Find Achnatherum nelsonii ssp. nelsonii in the Flora of North America (if available)
Google: Search Google for Achnatherum nelsonii ssp. nelsonii

Metadata

Record Modified: 0000-00-00
Research By: CBR

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