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Achnatherum nelsonii ssp. dorei
Achnatherum nelsonii (Scribn.) Barkworth ssp. dorei (Barkworth & Maze) Barkworth
Columbia needlegrass, Dore's needlegrass
Poaceae (Grass Family)
Synonym(s): Achnatherum nelsonii var. dorei, Stipa columbiana, Stipa minor, Stipa nelsonii ssp. dorei, Stipa nelsonii var. dorei, Stipa occidentalis var. minor
USDA Symbol: ACNED
USDA Native Status: L48 (N), CAN (N)
The culms of this cool-season, perennial bunchgrass rise 1-3 ft., slightly taller than the leaves. The seedhead is narrow, dense and purplish. The spikelets bear a distinctive awn extending far beyond the grain.
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul
, WY Canada: BC Native Distribution:
Black Hills to the Yukon, s. to w. TX
& CA Native Habitat:
Dry plains, meadows & open woods at medium to high elevations
Growing ConditionsWater Use: Low
Light Requirement: Sun
CaCO3 Tolerance: Medium
Soil Description: Well-drained soils.
Conditions Comments: Columbia needlegrass is drought tolerant and useful for revegetating rangelands at higher elevations.
PropagationDescription: Sow seed.
Seed Collection: Not Available
Seed Treatment: No treatment necessary.
Commercially Avail: yes
Record Last Modified: 2007-01-01
Research By: TWC Staff